Geoffrey L. Kamen, M.D.
Family Medicine Physician · San Luis Obispo, CA
Geoffrey L. Kamen, M.D. is a family medicine physician with a practice address in San Luis Obispo, California, and NPI 1215015953, issued on Nov 1, 2006. Check the license (California A115526, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Geoffrey L. Kamen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- A115526 CA
13673 NH
240096 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1150 Grove St # B, San Luis Obispo, CA 93401
- Phone
- (805) 596-1565
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 6, 2025
- Fax
- (833) 428-4062
- Medicare enrollment
- Enrolled (PECOS I20130125000310); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Geoffrey L. Kamen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A115526Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
17 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Geoffrey L. Kamen among 17,133 family medicine physician records in California
Geoffrey L. Kamen, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2001 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 family medicine physician records list a practice address in San Luis Obispo
They are 41 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Luis Obispo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Blanca Bisuna, MDSan Luis Obispo, CA 934011508199431
- Rodolfo Castillo-Ruiz, MDSan Luis Obispo, CA 934011174549182
- Camille Chandler, D.O.San Luis Obispo, CA 934011578887337
- Steven Goodman, MDSan Luis Obispo, CA 934011295775328
- Virginia Hernandez, M.D.San Luis Obispo, CA 934011477746816
- George Kienle, DOSan Luis Obispo, CA 934011154406718
- Laurence Lotz, MDSan Luis Obispo, CA 934011841292182
- Scott Negri, MDSan Luis Obispo, CA 934011942240080
Common questions
What is Geoffrey L. Kamen, M.D.'s NPI number?
Geoffrey L. Kamen, M.D.'s National Provider Identifier (NPI) is 1215015953, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey L. Kamen, M.D. located?
The NPPES record lists a practice address at 1150 Grove St # B, San Luis Obispo, CA, 93401. Phone: (805) 596-1565. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey L. Kamen, M.D.'s license?
NPPES lists California license number A115526, 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 Geoffrey L. Kamen, M.D. prescribe under Medicare Part D?
In 2024, Geoffrey L. Kamen, M.D. had 17 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.