Yan Tan, M.D.
Internal Medicine Physician · Quincy, MA
Yan Tan, M.D. is an internal medicine physician with a practice address in Quincy, Massachusetts, and NPI 1275819179, issued on Oct 24, 2011. Check the license (Massachusetts 252539, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Yan Tan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 252539 MA
Self-reported in NPPES; status is on the state search - Practice location
- 40 Willard St Ste 103, Quincy, MA 02169
- Phone
- (617) 481-1771
- Enumerated
- Oct 24, 2011
- Record last updated
- Jul 26, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130911000657); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Verify Yan Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 252539Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,359 Medicare Part D claims for 138 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 93 claims were for opioids.
Most prescribed
- Atorvastatin Calcium199 claims
- Levothyroxine Sodium102 claims
- Metoprolol Succinate92 claims
- Lisinopril75 claims
- Alendronate Sodium66 claims
- Metformin Hcl66 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: $112.86
6 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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.
Yan Tan among 6,825 internal medicine physician records in Massachusetts
Yan Tan, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.
- NPI issued2011 · 65% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1994 · median 2004 among the 4,103 with a school on file
- Record last updated2018 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 internal medicine physician records list a practice address in Quincy
They are 40 of the 2,716 NPPES records with a practice address in Quincy, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Quincy → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mirza Baig, MDQuincy, MA 021691780683276
- Nasir Bhatti, MDQuincy, MA 021691326012576
- Nancy Drew, M.D.Quincy, MA 021691285635979
- Alicja Gupta, M.D.Quincy, MA 021691295731032
- Simon Ho, M.D.Quincy, MA 021691780644534
- Nils Hoernle, M.D.Quincy, MA 021691568463990
- Trang Le, M.D.Quincy, MA 021691427047828
- Suo Lee, MDQuincy, MA 021691457340671
Common questions
What is Yan Tan, M.D.'s NPI number?
Yan Tan, M.D.'s National Provider Identifier (NPI) is 1275819179, issued on Oct 24, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Yan Tan, M.D. located?
The NPPES record lists a practice address at 40 Willard St Ste 103, Quincy, MA, 02169. Phone: (617) 481-1771. Providers update this record themselves, so call before visiting.
How can I verify Yan Tan, M.D.'s license?
NPPES lists Massachusetts license number 252539, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Yan Tan, M.D. prescribe under Medicare Part D?
In 2024, Yan Tan, M.D. had 2,359 Medicare Part D claims for 138 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.