Mazna Tamkin Ahmad, MD
Internal Medicine Physician · Loma Linda, CA
Mazna Tamkin Ahmad, MD is an internal medicine physician with a practice address in Loma Linda, California, and NPI 1043475536, issued on Jul 23, 2008. Check the license (California A116686, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mazna Tamkin Ahmad
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A116686 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11374 Mountain View Ave, Loma Linda, CA 92354
- Phone
- (909) 558-2870
- Enumerated
- Jul 23, 2008
- Record last updated
- Nov 30, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (909) 558-2486
- Entity
- Type 1 · individual
Also registered at 11374 Mountain View Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Brandon, P.T.Physical Therapist1053340653
- Nishena CaseyCommunity Health Worker1326813346
- George Christison, M.D.Psychiatry Physician1174548135
- Irene Ciovica, M.D.Child & Adolescent Psychiatry Physician1740479724
- Carlos Fayard, PHDPsychologist1669404737
- Teresa Frausto, M.D.Psychiatry Physician1992737068
Verify Mazna Tamkin Ahmad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A116686Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
171 Medicare Part D claims for 63 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Buprenorphine-Naloxone102 claims
- Buprenorphine Hcl16 claims
- Trazodone 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.
212 internal medicine physician records list a practice address in Loma Linda
They are 212 of the 4,863 NPPES records with a practice address in Loma Linda, and 17,696 internal medicine physician records in California.
All 212 in Loma Linda → All 17,696 in California → Every provider in Loma Linda →
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- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Mazna Tamkin Ahmad, MD's NPI number?
Mazna Tamkin Ahmad, MD's National Provider Identifier (NPI) is 1043475536, issued on Jul 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mazna Tamkin Ahmad, MD located?
The NPPES record lists a practice address at 11374 Mountain View Ave, Loma Linda, CA, 92354. Phone: (909) 558-2870. Providers update this record themselves, so call before visiting.
How can I verify Mazna Tamkin Ahmad, MD's license?
NPPES lists California license number A116686, 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 Mazna Tamkin Ahmad, MD prescribe under Medicare Part D?
In 2024, Mazna Tamkin Ahmad, MD had 171 Medicare Part D claims for 63 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.