NPPES file of Aug 9, 2026

Jerrold Steven Wittert, M.D.

Specialist · San Francisco, CA

Jerrold Steven Wittert, M.D. is a specialist with a practice address in San Francisco, California, and NPI 1568793107, issued on Jan 21, 2010. Check the license (California G26317, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568793107
Name
Jerrold Steven Wittert
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
G26317 CA
Self-reported in NPPES; status is on the state search
Practice location
4462 17TH St, San Francisco, CA 94114
Phone
(510) 537-5533
Enumerated
Jan 21, 2010
Record last updated
Jun 29, 2026
Fax
(415) 861-6530
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Jerrold Steven Wittert in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license G26317
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

94% fewer Medicare Part D claims than the average specialist in 2024

86 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Jerrold Wittert86
  2. Specialty average1,380

Most prescribed

  1. Vilazodone Hcl31 claims
  2. Alprazolam12 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.

Jerrold Steven Wittert among 5,749 specialist records in California

Jerrold Steven Wittert, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 62% of them.

  • NPI issued2010 · 62% of these records are older, 35% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2026 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

666 specialist records list a practice address in San Francisco

They are 666 of the 38,143 NPPES records with a practice address in San Francisco, and 5,749 specialist records in California.

The 8 specialist records with the nearest ZIP codes

  1. Bernard Alpert, M.D.San Francisco, CA 941141578680450
  2. James Budke, M.D.San Francisco, CA 941141417089210
  3. Gabriel Kind, M.D.San Francisco, CA 941141831130673
  4. Douglas Ousterhout, MD, DDSSan Francisco, CA 941141922235332
  5. Gary Rust, MDSan Francisco, CA 941141073697322
  6. Joanna Swanton, OTSan Francisco, CA 941141689936841
  7. Farrah Yau, MD,FRCSCSan Francisco, CA 941141932485711
  8. Barry Baron, MDSan Francisco, CA 941151467563353

Common questions

What is Jerrold Steven Wittert, M.D.'s NPI number?

Jerrold Steven Wittert, M.D.'s National Provider Identifier (NPI) is 1568793107, issued on Jan 21, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Jerrold Steven Wittert, M.D. located?

The NPPES record lists a practice address at 4462 17TH St, San Francisco, CA, 94114. Phone: (510) 537-5533. Providers update this record themselves, so call before visiting.

How can I verify Jerrold Steven Wittert, M.D.'s license?

NPPES lists California license number G26317, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Jerrold Steven Wittert, M.D. prescribe under Medicare Part D?

In 2024, Jerrold Steven Wittert, M.D. had 86 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.