Tariq A. Khan, M.D.
Internal Medicine Physician · Tustin, CA
Tariq A. Khan, M.D. is an internal medicine physician with a practice address in Tustin, California, and NPI 1295925253, issued on Jul 26, 2007. Check the license (California A112661, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tariq A. Khan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A112661 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14642 Newport Ave, Tustin, CA 92780
- Phone
- (657) 218-9859
- Enumerated
- Jul 26, 2007
- Record last updated
- Jun 11, 2024
- Fax
- (657) 218-4023
- Medicare enrollment
- Enrolled (PECOS I20110926000255); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 14642 Newport Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn Calma, P.A.-CPhysician Assistant1427250844
- William Crumpton, M,D.Family Medicine Physician1205989373
- Fareed EntezarPharmacist1619443835
- Emerson Jou, M.D.Physical Medicine & Rehabilitation Physician1275648156
- Anjala Kanda, DPMFoot & Ankle Surgery Podiatrist1174577654
- Valeria Kozak, MDPediatrics Physician1720057516
Verify Tariq A. Khan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A112661Check 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 internal medicine physician in 2024
206 Medicare Part D claims for 23 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Zolpidem Tartrate19 claims
- Amlodipine Besylate16 claims
- Atorvastatin Calcium12 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: $34.81
2 payments; by number, the most common kind was food and beverage; the largest payer was Galderma Laboratories, L.P. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Dazzle Health P CIrvine, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
34 internal medicine physician records list a practice address in Tustin
They are 34 of the 2,221 NPPES records with a practice address in Tustin, and 17,696 internal medicine physician records in California.
All 34 in Tustin → All 17,696 in California → Every provider in Tustin →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- 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 Tariq A. Khan, M.D.'s NPI number?
Tariq A. Khan, M.D.'s National Provider Identifier (NPI) is 1295925253, issued on Jul 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Tariq A. Khan, M.D. located?
The NPPES record lists a practice address at 14642 Newport Ave, Tustin, CA, 92780. Phone: (657) 218-9859. Providers update this record themselves, so call before visiting.
How can I verify Tariq A. Khan, M.D.'s license?
NPPES lists California license number A112661, 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 Tariq A. Khan, M.D. prescribe under Medicare Part D?
In 2024, Tariq A. Khan, M.D. had 206 Medicare Part D claims for 23 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.