Mark Tan, MD
Family Medicine Physician · Las Vegas, NV
Mark Tan, MD is a family medicine physician with a practice address in Las Vegas, Nevada, and NPI 1639755150, issued on Mar 23, 2021. Check the license (Nevada 24541, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Tan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 24541 NV
Self-reported in NPPES; status is on the state search - Practice location
- 8420 S Eastern Ave Ste 101, Las Vegas, NV 89123
- Phone
- (702) 483-3554
- Enumerated
- Mar 23, 2021
- Entity
- Type 1 · individual
Also registered at 8420 S Eastern Ave Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chad Bullock, FNP-CNurse Practitioner1447642517
- Nasim Daoud, MDRheumatology Physician1518117795
- Tudor Jianu, M.D.Rheumatology Physician1821039546
- Prabhjot Kaur, APRNFamily Nurse Practitioner1902495641
- Rini Mathews, MSN, APRN, FNP-CFamily Nurse Practitioner1972113363
- Aishwarya Vyas-Lahar, MDInternal Medicine Physician1770005662
Verify Mark Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 24541Check 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
315 Medicare Part D claims for 105 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium15 claims
- Lisinopril15 claims
- Losartan Potassium15 claims
- Cyclobenzaprine Hcl11 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: $520.04
16 payments, mostly food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Medinix Medical Services Singh PLLCLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
578 family medicine physician records list a practice address in Las Vegas
They are 578 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,243 family medicine physician records in Nevada.
All 578 in Las Vegas → All 1,243 in Nevada → Every provider in Las Vegas →
Other family medicine physician records in Nevada
- Allison AbadLas Vegas, NV1639458664
- Josef Abbo, M.D.Las Vegas, NV1104016872
- Rabbiya Abidi, MDHenderson, NV1437351889
- Cheruba Abraham, M.D.Fernley, NV1568734630
- Pamela Abraham, M.D.Reno, NV1821138231
- Elvira Acosta, M.D.Las Vegas, NV1184669293
- Alexandra Acosta Owens, MDLas Vegas, NV1841850120
- Lourdes Rucela Ada, M.D.Las Vegas, NV1114957032
- Kimberly Adams, M.D.Las Vegas, NV1659399269
- Kim Adamson, MDLovelock, NV1316185085
Common questions
What is Mark Tan, MD's NPI number?
Mark Tan, MD's National Provider Identifier (NPI) is 1639755150, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mark Tan, MD located?
The NPPES record lists a practice address at 8420 S Eastern Ave Ste 101, Las Vegas, NV, 89123. Phone: (702) 483-3554. Providers update this record themselves, so call before visiting.
How can I verify Mark Tan, MD's license?
NPPES lists Nevada license number 24541, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Tan, MD prescribe under Medicare Part D?
In 2024, Mark Tan, MD had 315 Medicare Part D claims for 105 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), 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.
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) 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 27, 2026.