Steven Pennybaker, M.D.
Psychiatry Physician · San Francisco, CA
Steven Pennybaker, M.D. is a psychiatry physician with a practice address in San Francisco, California, and NPI 1417371287, issued on Feb 13, 2014. Check the license (California A157427, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Pennybaker
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A157427 CA
Self-reported in NPPES; status is on the state search - Practice location
- 401 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 353-9111
- Enumerated
- Feb 13, 2014
- Record last updated
- Jun 17, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191210000549); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 401 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bibhav Acharya, M.D.Psychiatry Physician1306137427
- Alexander AcostaStudent in an Organized Health Care Education/Training Program1770161036
- Eric Alcid, M.D., PH.D.Psychiatry Physician1831622174
- Sean Amegadzie, MDPsychiatry Physician1427685403
- Alexandra Apple, PHDClinical Neuropsychologist1033871207
- Regina Armas, LCSW, PH.D.Clinical Psychologist1730118217
Verify Steven Pennybaker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A157427Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average psychiatry physician in 2024
70 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Bupropion Xl13 claims
- Trazodone Hcl11 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
- Bay Psychiatric AssociatesBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Pennybaker among 8,673 psychiatry physician records in California
Steven Pennybaker, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2017 · median 2005 among the 3,295 with a school on file
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
763 psychiatry physician records list a practice address in San Francisco
They are 763 of the 38,143 NPPES records with a practice address in San Francisco, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Francisco → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Amy Berlin, MDSan Francisco, CA 941431730131939
- Stuart Eisendrath, MDSan Francisco, CA 941431982656187
- Ellen Haller, MDSan Francisco, CA 941431891747119
- Mardi Horowitz, MDSan Francisco, CA 941431740234038
- Descartes Li, MDSan Francisco, CA 941431962454157
- Jonathan Lichtmacher, M.D.San Francisco, CA 941431891717203
- Sudha Prathikanti, MDSan Francisco, CA 941431245297084
- Victor Reus, MDSan Francisco, CA 941431154372449
Common questions
What is Steven Pennybaker, M.D.'s NPI number?
Steven Pennybaker, M.D.'s National Provider Identifier (NPI) is 1417371287, issued on Feb 13, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Steven Pennybaker, M.D. located?
The NPPES record lists a practice address at 401 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 353-9111. Providers update this record themselves, so call before visiting.
How can I verify Steven Pennybaker, M.D.'s license?
NPPES lists California license number A157427, 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 Steven Pennybaker, M.D. prescribe under Medicare Part D?
In 2024, Steven Pennybaker, M.D. had 70 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.