--- title: "Dr. Kenneth S. Blumenfeld | Neurosurgeon in San Jose, CA | Sutter Health" description: "Dr. Kenneth S. Blumenfeld, M.D., FAANS practices Neurosurgery in San Jose, CA. Accepting new patients." url: "https://www.sutterhealth.org/find-provider/dr-kenneth-s-blumenfeld-1046238696" --- 1. [Home](https://www.sutterhealth.org/) / 2. [Find a provider](https://www.sutterhealth.org/find-provider) / 3. Kenneth S. Blumenfeld, M.D., FAANS ![Kenneth S. Blumenfeld, M.D., FAANS](https://dyn.mktgcdn.com/p/YaawnYfZ3HUygahki0rR_OW0ZsXjnyZupypCvNZ4Tis/fit=crop,gravity=auto,dpr=2,width=230,height=230) 4.9/5 [(221 ratings)](https://www.sutterhealth.org/star-ratings) # Kenneth S. Blumenfeld, M.D., FAANS ## Neurosurgery - Accepting new patients [2506 Samaritan CourtSan Jose, CA 95124](https://www.google.com/maps/dir/?api=1&destination=2506+Samaritan+Court+San+Jose%2C+CA+95124+US) ## Schedule appointment [408-358-0133](tel:+14083580133) Jump to: - [About](https://www.sutterhealth.org/find-provider/dr-kenneth-s-blumenfeld-1046238696#provider-about) - [Insurance](https://www.sutterhealth.org/find-provider/dr-kenneth-s-blumenfeld-1046238696#provider-health-plans) - [Locations](https://www.sutterhealth.org/find-provider/dr-kenneth-s-blumenfeld-1046238696#provider-locations) - [Services](https://www.sutterhealth.org/find-provider/dr-kenneth-s-blumenfeld-1046238696#provider-services) ## About Dr. Blumenfeld Languages English and Spanish (Limited) Gender Male Ages treated All ages Uses [My Health Online](https://www.sutterhealth.org/patient-resources/my-health-online) for scheduling and messaging ### Approach to care Dr. Kenneth S. Blumenfeld aims to provide superior outcomes and a better experience by bringing cutting-edge technology and evidence-based care to the community, while maintaining patient-centric, compassionate care. ### Professional highlights Past Chair, Department of Neurosciences and Chief of Staff, Good Samaritan Hospital. President Elect, Santa Clara Medical Association. Trustee, Board of the California Medical Association. Past President, California Association of Neurological Surgeons. AANS Delegate, American Medical Association. ### Outside of medicine Outside of Medicine, Dr. Blumenfeld enjoys music, playing guitars, spending time with his family and dogs, hiking, photography, and ocean sports, including scuba diving, fishing, surfing, and kayaking. ## Education and training **Medical school:** Johns Hopkins University **Residency:** University of Pennsylvania **Special training:** Cyberknife Stereotactic Certification ## Board certifications - Neurosurgery ## Affiliations ### Medical groups - Palo Alto Foundation Medical Group ## Accepted insurance Search plan or carrier name **Aetna (19 plans)** ### Aetna - Aetna Choice POS II - Aetna Select EPO - Aetna Select Open Access - Aetna Signature Administrators (ASA) - Aetna Student Health Program - Health Fund HMO (aka HMO/HRA) - Health Fund POS - HMO - HMO Deductible Plans - Managed Choice POS - National Advantage Plan (NAP) - Open Access Elect Choice EPO - Open Access Managed Choice POS - Open Choice PPO - Quality Point of Service (QPOS) - Stanford University Faculty & Staff (SUFS) - Copay Plan - Open Access Aetna Select - Stanford University Faculty & Staff (SUFS) ACA High Deductible Health Plan POS II (ACA HDHP-POS II) - Stanford University Faculty & Staff (SUFS) High Deductible Health Plan POS II (HDHP POS II) - Traditional Choice **Alignment (4 plans)** ### Alignment - Alignment Health Plan My Choice (Medicare Advantage PPO) - Alignment Health Sutter Advantage +More (Medicare Advantage HMO) - Retiree Options (Medicare Advantage HMO) - Retiree Options (Medicare Advantage PPO) **Anthem Blue Cross of California (21 plans)** ### Anthem Blue Cross of California - Advantage HMO - Advantage PPO (Tier 1) - Anthem Blue Cross HMO Saver Small Group Plan - Anthem Blue Cross HMO, also sometimes known as California Care or Rural Cal Care (includes CalPERS Traditional HMO) - Anthem Blue Cross HMO/POS (California Care Plus) - Anthem Blue Cross Individual and Family EPO Bronze/Silver/Gold/Platinum-Covered California (Pathway - EPO) - Anthem Blue Cross Individual HMO (also sometimes known as California Care) - Anthem Blue Cross Small Group HMO (also sometimes known as California Care) - Anthem Bronze, Silver, Gold, Platinum PPO (Prudent Buyer Plan) - Anthem High Performance Narrow Network - Anthem Medicare Preferred PPO Medicare Advantage Plans for Group Retirees - Behavioral Health Program - BlueCard - CareAdvocate PPO - Direct Access - Federal Employee Program (FEP) - PPO - GeoBlue - Indemnity - Managed Care Services - My Choice PPO - SmartSense **Blue Shield of California (24 plans)** ### Blue Shield of California - Active Choice PPO - Administrative Services Only (ASO) - Self-Funded PPO - Blue Shield $0 Cost Share PPO (IFP) - Blue Shield Access+ HMO CalPERS Limited Network - Blue Shield Access+ HMO Plan - Blue Shield Added Advantage POS (Point-Of-Service) Plan**Note:** - PPO Benefit Level - Blue Shield Bronze PPO (IFP & Small Group) - Blue Shield CalPERS EPO - Blue Shield CalPERS Medicare (PPO) Employer Group Medicare Advantage - Blue Shield Gold PPO (IFP & Small Group) - Blue Shield Life and Health Insurance Company - Blue Shield Medicare (PPO) Employer Group Medicare Advantage - Blue Shield Minimum Coverage PPO (IFP) - Blue Shield of California PPO/EPO (aka Full Network PPO/EPO) - Blue Shield Platinum PPO (IFP & Small Group) - Blue Shield Silver PPO (IFP & Small Group) - BlueCard Plan - Federal Employee Program - PPO**Note:** - FEP accesses Anthem Blue Cross for Hospital Providers - Indemnity - PERS Platinum PPO - Shared Advantage - PPO/EPO and Shared Advantage Plus - PPO/EPO (Full Network PPO) - UC Care PPO - University of California HealthSavings+ - Vital Shield 900 Plans Coverage can vary, so we suggest confirming with your health plan and provider’s office before your visit. ## Care locations [Sutter Samaritan Care Center](https://www.sutterhealth.org/find-location/facility/sutter-samaritan-care-center-1043247527) 2506 Samaritan Court San Jose, CA 95124 [Get directions](https://www.google.com/maps/dir/?api=1&destination=2506+Samaritan+Court+San+Jose%2C+CA+95124+US) [408-358-0133](tel:+14083580133) 408-358-8134 ## Areas of expertise Explore the services and treatments this provider may offer. **Clinical expertise** ### Procedures - Aneurysm Clipping - Artificial disc replacement - Awake Brain Surgery - Brain Surgery - Cancer Surgery - Computer Assisted Surgery - Craniotomy - Endoscopic Intraventricular Tumor Surgery - Endoscopic Neurosurgery - Endoscopic Pituitary Surgery - Endoscopic Skull Base Surgery - Endoscopic-Assisted Cranial Surgery - Epilepsy Surgery - Kyphoplasty - Microdiscectomy - Microvascular Decompression Surgery - [Minimally invasive spine surgery](https://www.sutterhealth.org/services/minimally-invasive-back-spine-procedures) - Minimally Invasive Stroke Surgery - MRI-Guided Stereotactic Brain Surgery - Neurovascular Surgery - Precision Spine Surgery - Skull base surgery - Spinal Fusion Surgery - Spinal Instrumentation - Stereotactic Biopsy - Stereotactic Surgery - Surgical Treatment of Epilepsy - Tethered Cord Surgery - Tumor Resection and Reconstruction - Ventriculoperitoneal Shunting ### Conditions - Arnold-Chiari Malformation - [Back and spine problems](https://www.sutterhealth.org/services/back-spine) - Benign Tumors of the Brain and Spine - Brain and Spinal Cord Tumors - Brain aneurysm - Brain Disease - Carotid Aneurysm - Cerebellar Anomaly - Cerebrovascular Anomaly - Cerebrovascular Disease - Cervical Spine Disorders - Concussion - Degenerative Spine Diseases - Disc disease of neck and back - Facial Spasms - Glioma - Herniated Disc - Intracranial Neoplasms - Lumbar Spinal Stenosis - Neuralgia - Neurocutaneous Syndromes - Pituitary surgery - Spinal cord injury - Spine Fractures - Spine Injury - Spine Tumor - Spondylodesis - Spondylolisthesis - Sports Concussion - [Sports injuries](https://www.sutterhealth.org/services/sports-injury-and-orthopedic-rehabilitation) - Tethered Cord - Trauma - Trigeminal Neuralgia ### Reasons for visit - Neuro-Oncology - Neuronavigation ## Related services offered by Sutter - [Neurosurgery](https://www.sutterhealth.org/services/neurosurgery) ## Similar providers nearby - ![Amanda A. Diep](https://dyn.mktgcdn.com/p/Z_VWJXogDNwxPo0bQIxo6WAEbd3LtGgsDIEpwXYsck8/fit=crop,gravity=auto,dpr=2,width=230,height=230) ### [Amanda A. Diep, PA-C](https://www.sutterhealth.org/find-provider/amanda-a-diep-1046248177) 2506 Samaritan Court Floor 2 San Jose, CA 95124 [Get directions](https://www.google.com/maps/dir/?api=1&destination=2506+Samaritan+Court+San+Jose%2C+CA+95124+US) [408-358-0133](tel:+14083580133) #### Neurosurgery - New patients, please call for availability - ![David D. Yeh](https://dyn.mktgcdn.com/p/1-ro8km8wzr8x9-dCewDAtM-sD8YQznicW8EqZ8eiM4/fit=crop,gravity=auto,dpr=2,width=230,height=230) ### [David D. Yeh, M.D., FAANS](https://www.sutterhealth.org/find-provider/dr-david-d-yeh-1046234826) (317) 2506 Samaritan Court Floor 2 San Jose, CA 95124 [Get directions](https://www.google.com/maps/dir/?api=1&destination=2506+Samaritan+Court+San+Jose%2C+CA+95124+US) [408-358-0133](tel:+14083580133) #### Neurosurgery - Accepting new patients ### Disclaimer _This provider directory is provided as a convenience to you. It is not intended as a recommendation, referral or endorsement of any particular provider. Physicians are not employees or agents of Sutter Health or its subsidiaries. The information is submitted by each doctor and we make no guarantee or warranty as to the accuracy of the information. You should verify the accuracy of the information directly with the provider's office._ _All doctors on this site are in the Sutter system. Doctors meeting your search criteria are presented in order of relevance based on search criteria, based on those providers with appointment availability._ [_Find out more about star ratings_](https://www.sutterhealth.org/star-ratings)_._ ```json {"@context":"https://schema.org","@type":"MedicalOrganization","name":"Sutter Health","@id":"https://www.sutterhealth.org/#medicalorganization","url":"https://www.sutterhealth.org","logo":"https://www.sutterhealth.org/static/images/sutter-health-logo.svg","address":{"@type":"PostalAddress","streetAddress":"2200 River Plaza Drive","addressLocality":"Sacramento","addressRegion":"CA","postalCode":"95833","addressCountry":"US"},"areaServed":{"@type":"AdministrativeArea","name":"California"},"sameAs":["https://www.facebook.com/SutterHealth","https://www.instagram.com/sutterhealth/","https://x.com/SutterHealth","https://www.youtube.com/sutterhealth","https://www.linkedin.com/company/sutter-health","https://en.wikipedia.org/wiki/Sutter_Health"]} ``` ```json {"@context":"https://schema.org","@type":"BreadcrumbList","@id":"https://www.sutterhealth.org/find-provider/dr-kenneth-s-blumenfeld-1046238696#breadcrumblist","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://www.sutterhealth.org/"},{"@type":"ListItem","position":2,"name":"Find a provider","item":"https://www.sutterhealth.org/find-provider"},{"@type":"ListItem","position":3,"name":"Kenneth S. Blumenfeld, M.D., FAANS"}]} ``` ```json {"@context":"https://schema.org","@type":"IndividualPhysician","@id":"https://www.sutterhealth.org/find-provider/dr-kenneth-s-blumenfeld-1046238696","areaServed":[{"@type":"GeoCircle","geoMidpoint":{"@type":"GeoCoordinates","latitude":37.25072827441264,"longitude":-121.95012054171619},"geoRadius":"80467"}],"availableService":[{"@type":"MedicalProcedure","name":"Surgical Treatment of Epilepsy"},{"@type":"MedicalProcedure","name":"Minimally invasive spine surgery","url":"https://www.sutterhealth.org/services/minimally-invasive-back-spine-procedures"},{"@type":"MedicalProcedure","name":"Stereotactic Biopsy"},{"@type":"MedicalProcedure","name":"Artificial disc replacement"},{"@type":"MedicalProcedure","name":"Computer Assisted Surgery"},{"@type":"MedicalProcedure","name":"Endoscopic Neurosurgery"},{"@type":"MedicalProcedure","name":"Brain Surgery"},{"@type":"MedicalProcedure","name":"Kyphoplasty"},{"@type":"MedicalProcedure","name":"Microvascular Decompression Surgery"},{"@type":"MedicalProcedure","name":"MRI-Guided Stereotactic Brain Surgery"},{"@type":"MedicalProcedure","name":"Neurovascular Surgery"},{"@type":"MedicalProcedure","name":"Skull base surgery"},{"@type":"MedicalProcedure","name":"Spinal Fusion Surgery"},{"@type":"MedicalProcedure","name":"Spinal Instrumentation"},{"@type":"MedicalProcedure","name":"Tumor Resection and Reconstruction"},{"@type":"MedicalProcedure","name":"Epilepsy Surgery"},{"@type":"MedicalProcedure","name":"Endoscopic Pituitary Surgery"},{"@type":"MedicalProcedure","name":"Endoscopic Skull Base Surgery"},{"@type":"MedicalProcedure","name":"Endoscopic Intraventricular Tumor Surgery"},{"@type":"MedicalProcedure","name":"Minimally Invasive Stroke Surgery"},{"@type":"MedicalProcedure","name":"Aneurysm Clipping"},{"@type":"MedicalProcedure","name":"Awake Brain Surgery"},{"@type":"MedicalProcedure","name":"Craniotomy"},{"@type":"MedicalProcedure","name":"Endoscopic-Assisted Cranial Surgery"},{"@type":"MedicalProcedure","name":"Precision Spine Surgery"},{"@type":"MedicalProcedure","name":"Stereotactic Surgery"},{"@type":"MedicalProcedure","name":"Tethered Cord Surgery"},{"@type":"MedicalProcedure","name":"Ventriculoperitoneal Shunting"},{"@type":"MedicalProcedure","name":"Microdiscectomy"},{"@type":"MedicalProcedure","name":"Cancer Surgery"}],"aggregateRating":{"@type":"AggregateRating","ratingValue":"4.9","bestRating":"5","worstRating":"1","reviewCount":"221"},"description":"Dr. Kenneth S. Blumenfeld, M.D., FAANS practices Neurosurgery in San Jose, CA. Accepting new patients.","faxNumber":"(408) 358-8134","hasCertification":[{"@type":"Certification","name":"Board Certification - Neurosurgery"},{"@type":"Certification","name":"Cyberknife Stereotactic Certification"}],"hasCredential":[{"@type":"EducationalOccupationalCredential","credentialCategory":"Medical school","name":"Johns Hopkins University"},{"@type":"EducationalOccupationalCredential","credentialCategory":"Residency","name":"University of Pennsylvania"}],"healthPlanNetworkId":["Aetna","Alignment","Anthem Blue Cross of California","Blue Shield of California","Central California Alliance for Health","Cigna","Health Net","HealthSmart","Multiplan","Pacific Health Alliance","PHCS (Private Healthcare Systems, Inc.)","Provider Networks of America","Santa Clara Family Health Plan","SCAN","Sutter Health Plan","TRICARE","UnitedHealthcare","Valley Health Plan"],"identifier":{"@type":"PropertyValue","propertyID":"US NPI","value":"1235158254"},"image":{"@type":"ImageObject","representativeOfPage":true,"description":"Kenneth S. Blumenfeld","contentUrl":"https://dyn.mktgcdn.com/p/YaawnYfZ3HUygahki0rR_OW0ZsXjnyZupypCvNZ4Tis/fit=crop,gravity=auto,width=480,height=480"},"isAcceptingNewPatients":true,"knowsLanguage":[{"@type":"Language","name":"English"},{"@type":"Language","name":"Spanish"}],"parentOrganization":{"@type":"MedicalOrganization","name":"Sutter Health","@id":"https://www.sutterhealth.org/#medicalorganization","url":"https://www.sutterhealth.org"},"practicesAt":[{"@type":"MedicalClinic","url":"https://www.sutterhealth.org/find-location/facility/sutter-health-ambulatory-care-center-and-surgery-center-1043247527","name":"Sutter Samaritan Care Center","address":{"@type":"PostalAddress","streetAddress":"2506 Samaritan Court","addressLocality":"San Jose","addressRegion":"CA","postalCode":"95124","addressCountry":"US"},"geo":{"@type":"GeoCoordinates","latitude":37.25072827441264,"longitude":-121.95012054171619},"telephone":"(408) 358-0133","faxNumber":"(408) 358-8134","hasMap":{"@type":"Map","url":"https://www.google.com/maps/search/?api=1&query=2506+Samaritan+Court+San+Jose%2C+CA+95124+US&sll=37.25072827441264%2C-121.95012054171619"},"image":"https://a.mktgcdn.com/p/Cl2-Dq2w5ZAr2TkM-UkMG-PUKKoWK_AltQQlMiCoD14/5000x3333.jpg"}],"medicalSpecialty":[{"@type":"MedicalSpecialty","name":"Neurosurgery","sameAs":["https://schema.org/Neurologic","https://schema.org/Surgical"]}],"memberOf":[{"@type":"Organization","name":"Palo Alto Foundation Medical Group"}],"name":"Kenneth S. Blumenfeld, M.D., FAANS","telephone":"(408) 358-0133","mainEntityOfPage":"https://www.sutterhealth.org/find-provider/dr-kenneth-s-blumenfeld-1046238696","url":"https://www.sutterhealth.org/find-provider/dr-kenneth-s-blumenfeld-1046238696","usNPI":"1235158254","sameAs":["https://www.sutterhealth.org/find-provider/dr-kenneth-s-blumenfeld-1046238696#Person","https://npiregistry.cms.hhs.gov/provider-view/1235158254"]} ``` ```json {"@context":"https://schema.org","@type":"Person","@id":"https://www.sutterhealth.org/find-provider/dr-kenneth-s-blumenfeld-1046238696#Person","name":"Kenneth S. Blumenfeld, M.D., FAANS","additionalName":"S.","alumniOf":[{"@type":"EducationalOrganization","name":"Johns Hopkins University"}],"familyName":"Blumenfeld","gender":"Male","givenName":"Kenneth","hasOccupation":{"@type":"Occupation","name":"Neurosurgeon"},"honorificPrefix":"Dr.","honorificSuffix":"M.D., FAANS","jobTitle":"Physician","sameAs":"https://www.sutterhealth.org/find-provider/dr-kenneth-s-blumenfeld-1046238696","knowsLanguage":[{"@type":"Language","name":"English"},{"@type":"Language","name":"Spanish"}],"worksFor":{"@type":"MedicalOrganization","name":"Sutter Health","@id":"https://www.sutterhealth.org/#medicalorganization","url":"https://www.sutterhealth.org"}} ```