Karen Ann Gelphman, MD
Family Medicine Physician · Santa Rosa, CA
Karen Ann Gelphman, MD is a family medicine physician with a practice address in Santa Rosa, California, and NPI 1972565703, issued on Apr 5, 2006. Check the license (California G78072, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Ann Gelphman
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G78072 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3883 Airway Dr Ste 202, Santa Rosa, CA 95403
- Phone
- (707) 521-7777
- Enumerated
- Apr 5, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (707) 573-5426
- Medicare enrollment
- Enrolled (PECOS I20081013000141); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3883 Airway Dr Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Ann Gelphman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78072Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
205 Medicare Part D claims for 65 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium18 claims
- Sertraline Hcl12 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
- Sutter Bay Medical FoundationSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Ann Gelphman among 17,133 family medicine physician records in California
Karen Ann Gelphman, MD 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
- Graduated1992 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 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).
264 family medicine physician records list a practice address in Santa Rosa
They are 264 of the 6,884 NPPES records with a practice address in Santa Rosa, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Rosa → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Gabbay, D.O.Santa Rosa, CA 954031821028283
- Jennifer Lee, MDSanta Rosa, CA 954031447288204
- Azra Mael, M.D.Santa Rosa, CA 954031477596518
- Patricia Mazzetti Hiserote, D.O.Santa Rosa, CA 954031821002593
- Neil Nathan, MDSanta Rosa, CA 954031174510788
- Amelia Randolph, MDSanta Rosa, CA 954031093739708
- Edward Rose, M.D.Santa Rosa, CA 954031750354106
- Karen Rose, M.D.Santa Rosa, CA 954031568406007
Common questions
What is Karen Ann Gelphman, MD's NPI number?
Karen Ann Gelphman, MD's National Provider Identifier (NPI) is 1972565703, issued on Apr 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Ann Gelphman, MD located?
The NPPES record lists a practice address at 3883 Airway Dr Ste 202, Santa Rosa, CA, 95403. Phone: (707) 521-7777. Providers update this record themselves, so call before visiting.
How can I verify Karen Ann Gelphman, MD's license?
NPPES lists California license number G78072, 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 Karen Ann Gelphman, MD prescribe under Medicare Part D?
In 2024, Karen Ann Gelphman, MD had 205 Medicare Part D claims for 65 beneficiaries; 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.