Gary Gramm, DO
Family Medicine Physician · Loomis, CA
Gary Gramm, DO is a family medicine physician with a practice address in Loomis, California, and NPI 1235143736, issued on Jul 28, 2006. Check the license (California 20A4617, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gary Gramm
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A4617 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6135 King Road, Loomis, CA 95650
- Phone
- (916) 652-0427
- Enumerated
- Jul 28, 2006
- Entity
- Type 1 · individual
Also registered at 6135 King Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heidi Harvey, NPNurse Practitioner1902820319
- Debora ParkRadiologic Technologist1538179619
Verify Gary Gramm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A4617Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
329 Medicare Part D claims for 115 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium41 claims
- Tamsulosin Hcl20 claims
- Levothyroxine Sodium16 claims
- Furosemide13 claims
- Losartan Potassium12 claims
- Metoprolol Succinate11 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.
Family Medicine Physician providers in California
There are 16,272 family medicine physician records in California.
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Gary Gramm, DO's NPI number?
Gary Gramm, DO's National Provider Identifier (NPI) is 1235143736, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary Gramm, DO located?
The NPPES record lists a practice address at 6135 King Road, Loomis, CA, 95650. Phone: (916) 652-0427. Providers update this record themselves, so call before visiting.
How can I verify Gary Gramm, DO's license?
NPPES lists California license number 20A4617, 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 Gary Gramm, DO prescribe under Medicare Part D?
In 2024, Gary Gramm, DO had 329 Medicare Part D claims for 115 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.