Carl Stein, MHS, PA-C
Medical Physician Assistant · San Francisco, CA
Carl Stein, MHS, PA-C is a medical physician assistant with a practice address in San Francisco, California, and NPI 1053346957, issued on Jul 11, 2006. Check the license (California PA13514, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carl Stein
- Credential
- MHS, PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA13514 CA
Self-reported in NPPES; status is on the state search - Practice location
- 45 Castro St, San Francisco, CA 94114
- Phone
- (415) 861-2400
- Enumerated
- Jul 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 861-8733
- Medicare enrollment
- Enrolled (PECOS I20150107000454); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 45 Castro St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carl Stein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA13514Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average medical physician assistant in 2024
1,917 Medicare Part D claims for 154 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 56 claims were for opioids.
Most prescribed
- Atorvastatin Calcium161 claims
- Acyclovir75 claims
- Amlodipine Besylate52 claims
- Losartan Potassium52 claims
- Benazepril Hcl47 claims
- Triumeq46 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: $1,348.14
25 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 16,165 providers of this specialty with any payment received $1,055.00 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
- Sutter Bay Medical FoundationSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carl Stein among 3,376 medical physician assistant records in California
Carl Stein, MHS, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 80% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated1994 · median 2012 among the 1,347 with a school on file
- Record last updated2007 · 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 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in San Francisco → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Maria Shellane Aye-Maung, PA-CSan Francisco, CA 941141801880778
- John Kopchak, PA-CSan Francisco, CA 941141376699181
- Lidia May Uriza, MASan Francisco, CA 941141184329401
- Kurtis Opp, PA-CSan Francisco, CA 941141275627796
- Nais Raulet, PA-CSan Francisco, CA 941141922149194
- Lauren Barthel, PA-CSan Francisco, CA 941151194116830
- Rebecca Gordon, PA-CSan Francisco, CA 941151487674438
- Philip Resnikoff, PASan Francisco, CA 941151073662953
Common questions
What is Carl Stein, MHS, PA-C's NPI number?
Carl Stein, MHS, PA-C's National Provider Identifier (NPI) is 1053346957, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carl Stein, MHS, PA-C located?
The NPPES record lists a practice address at 45 Castro St, San Francisco, CA, 94114. Phone: (415) 861-2400. Providers update this record themselves, so call before visiting.
How can I verify Carl Stein, MHS, PA-C's license?
NPPES lists California license number PA13514, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Carl Stein, MHS, PA-C prescribe under Medicare Part D?
In 2024, Carl Stein, MHS, PA-C had 1,917 Medicare Part D claims for 154 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.