Kenneth A. Fox, MD
Neurology Physician · San Francisco, CA
Kenneth A. Fox, MD is a neurology physician with a practice address in San Francisco, California, and NPI 1710065370, issued on Nov 1, 2006. Check the license (California A91853, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kenneth A. Fox
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A91853 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2200 Ofarrell St, San Francisco, CA 94115
- Phone
- (415) 833-2000
- Enumerated
- Nov 1, 2006
- Record last updated
- Jan 14, 2022
- Medicaid ID
- 00A918530 CA
- Medicare enrollment
- Enrolled (PECOS I20050926000981); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2000
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 2200 Ofarrell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kenneth A. Fox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A91853Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average neurology physician in 2024
1,076 Medicare Part D claims for 233 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. 41 claims were for opioids.
Most prescribed
- Clonazepam78 claims
- Carbidopa-Levodopa65 claims
- Pregabalin61 claims
- Duloxetine Hcl55 claims
- Gabapentin54 claims
- Levetiracetam47 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth A. Fox among 2,339 neurology physician records in California
Kenneth A. Fox, MD is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2000 · median 2006 among the 1,628 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in San Francisco → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Sara Doster, M.D.,PH.D.San Francisco, CA 941151467526079
- Arnold Greenberg, M.D.San Francisco, CA 941151780616177
- Marina Kasavin, M.D., PH.D.San Francisco, CA 941151326015132
- Jonathan Katz, M.D.San Francisco, CA 941151457372823
- Morris Levin, M.D.San Francisco, CA 941151538117403
- Aaron Lewis, MDSan Francisco, CA 941151255419750
- Ko-Myong Lieu, MDSan Francisco, CA 941151376513846
- Catherine Madison, M.D.San Francisco, CA 941151952329922
Common questions
What is Kenneth A. Fox, MD's NPI number?
Kenneth A. Fox, MD's National Provider Identifier (NPI) is 1710065370, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth A. Fox, MD located?
The NPPES record lists a practice address at 2200 Ofarrell St, San Francisco, CA, 94115. Phone: (415) 833-2000. Providers update this record themselves, so call before visiting.
How can I verify Kenneth A. Fox, MD's license?
NPPES lists California license number A91853, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kenneth A. Fox, MD prescribe under Medicare Part D?
In 2024, Kenneth A. Fox, MD had 1,076 Medicare Part D claims for 233 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.