John Connor Barnhart, MD
Psychiatry Physician · San Francisco, CA
John Connor Barnhart, MD is a psychiatry physician with a practice address in San Francisco, California, and NPI 1154880144, issued on Mar 18, 2019. Check the license (California A180630, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Connor Barnhart
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A180630 CA
Self-reported in NPPES; status is on the state search - Practice location
- 35 Vicente St Ste 1, San Francisco, CA 94127
- Phone
- (415) 634-3916
- Enumerated
- Mar 18, 2019
- Record last updated
- Jul 4, 2023
- Fax
- (415) 728-9850
- Medicare enrollment
- Enrolled (PECOS I20230801001370); may accept Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify John Connor Barnhart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A180630Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average psychiatry physician in 2024
300 Medicare Part D claims for 40 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Aripiprazole35 claims
- Trazodone Hcl22 claims
- Mirtazapine21 claims
- Quetiapine Fumarate16 claims
- Venlafaxine Hcl Er16 claims
- Diazepam14 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.
Industry payments in 2024: $124.99
1 payment: food and beverage; the largest payer was Axsome Therapeutics, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Permanente Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Connor Barnhart among 8,673 psychiatry physician records in California
John Connor Barnhart, MD 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 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2019 · median 2005 among the 3,295 with a school on file
- Record last updated2023 · 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
- Adam Blackman, M.D.San Francisco, CA 941271912796368
- Mark Elliott, M.D.San Francisco, CA 941271922441997
- Loma Flowers, M.D.San Francisco, CA 941271457793648
- Allanceson SmithSan Francisco, CA 941271811330723
- Yelena Zalkina, MDSan Francisco, CA 941271588694830
- Uma Lerner, M.D.San Francisco, CA 941291447459599
- Stacie Collins, M.D.San Francisco, CA 941241124474473
- Owen Daniels, M.D.San Francisco, CA 941241285798736
Common questions
What is John Connor Barnhart, MD's NPI number?
John Connor Barnhart, MD's National Provider Identifier (NPI) is 1154880144, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is John Connor Barnhart, MD located?
The NPPES record lists a practice address at 35 Vicente St Ste 1, San Francisco, CA, 94127. Phone: (415) 634-3916. Providers update this record themselves, so call before visiting.
How can I verify John Connor Barnhart, MD's license?
NPPES lists California license number A180630, 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 John Connor Barnhart, MD prescribe under Medicare Part D?
In 2024, John Connor Barnhart, MD had 300 Medicare Part D claims for 40 beneficiaries; 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.