Carlyle Hamsher, M.D.
Pain Medicine (Anesthesiology) Physician · San Francisco, CA
Carlyle Hamsher, M.D. is a pain medicine (anesthesiology) physician with a practice address in San Francisco, California, and NPI 1619268893, issued on Apr 22, 2011. Check the license (California 144808, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carlyle Hamsher
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License numbers
- 144808 CA
2018-00025 NC
262242 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Ave, San Francisco, CA 94110
- Phone
- (415) 206-7325
- Enumerated
- Apr 22, 2011
- Record last updated
- Jan 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180308001481); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 536 in California → Look up another NPI →
Also registered at 1001 Potrero Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Abbs, M.D.Internal Medicine Physician1295269983
- Atokena AbeStudent in an Organized Health Care Education/Training Program1043130149
- Mary Ann AbilleRegistered Nurse1699155804
- Nasrin Aboudamous, FNPFamily Nurse Practitioner1699579912
- Elizabeth AdvientoRegistered Nurse1124968987
- Rocio Agraz-Lara, RN, PHNRegistered Nurse1003075995
Verify Carlyle Hamsher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 144808Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
252 Medicare Part D claims for 92 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. 73 claims were for opioids.
Most prescribed
- Pregabalin32 claims
- Gabapentin30 claims
- Duloxetine Hcl20 claims
- Tizanidine Hcl19 claims
- Hydrocodone-Acetaminophen18 claims
- Buprenorphine16 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: $2,162.44
31 payments; by number, the most common kind was food and beverage; the largest payer was Nevro Corp. The 2,789 providers of this specialty with any payment received $3,225.41 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
- Wake Forest University Health SciencesWinston Salem, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carlyle Hamsher among 536 pain medicine (anesthesiology) physician records in California
Carlyle Hamsher, M.D. is one of 536 pain medicine (anesthesiology) physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 70% of them.
- NPI issued2011 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2011 · median 2004 among the 367 with a school on file
- Record last updated2018 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in California
There are 536 pain medicine (anesthesiology) physician records in California.
All 536 in California → Every provider in San Francisco → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Efren Baria, DOSan Francisco, CA 941101609982115
- Adrian Bartoli, MD, MSSan Francisco, CA 941101154448256
- Kenneth Drasner, MDSan Francisco, CA 941101912965807
- Samer Michaels, MDSan Francisco, CA 941101528176070
- Christopher Keys, MDSan Francisco, CA 941091568556462
- Aditi Saraswat, M.D.San Francisco, CA 941091952741233
- Chris Abrecht, M.D.San Francisco, CA 941151013283837
- Helen Chan, M.D.San Francisco, CA 941151760821987
Common questions
What is Carlyle Hamsher, M.D.'s NPI number?
Carlyle Hamsher, M.D.'s National Provider Identifier (NPI) is 1619268893, issued on Apr 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Carlyle Hamsher, M.D. located?
The NPPES record lists a practice address at 1001 Potrero Ave, San Francisco, CA, 94110. Phone: (415) 206-7325. Providers update this record themselves, so call before visiting.
How can I verify Carlyle Hamsher, M.D.'s license?
NPPES lists California license number 144808, 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 Carlyle Hamsher, M.D. prescribe under Medicare Part D?
In 2024, Carlyle Hamsher, M.D. had 252 Medicare Part D claims for 92 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. 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.