Doctor profile · Federal record

Dr. Yan Tan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Quincy, MA

  • NPI 1275819179
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
40 Willard St Ste 103
Quincy, MA 02169
(617) 481-1771

Credentials & registration

NPPES · NUCC
NPI registered
October 2011 — 15 yrs on file
Profile last updated
July 26, 2018
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #252539

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275819179. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
338
Distinct HCPCS
9
Medicare allowed
$27,348
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 108 35 $136
36415 Insertion of needle into vein for collection of blood sample 51 27 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 50 24 $82
G0442 Annual alcohol misuse screening, 5 to 15 minutes 25 25 $21
99497 Advance care planning, first 30 minutes 23 23 $89
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 23 23 $142
G0444 Annual depression screening, 5 to 15 minutes 23 23 $21
G0008 Administration of influenza virus vaccine 18 18 $34
90662 Influenza vaccine split virus, preservative free 17 17 $72

In context: peer comparison

Among 17 peers in this city , average services per provider: 75. This provider delivers 4.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$113
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 3 $49.67
PFIZER INC. 2 $42.64
Lilly USA, LLC 1 $20.55

By nature of payment

Food and Beverage
$113

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
882
Patients
231
Total drug cost
$13,430
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 133 41 $2,480
Metoprolol Succinate Generic 78 18 $1,762
Amlodipine Besylate Generic 71 21 $611
Levothyroxine Sodium Generic 64 15 $872
Lisinopril Generic 58 13 $787
Metformin Hcl Generic 58 17 $1,193
Simvastatin Generic 55 16 $919
Omeprazole Generic 54 18 $1,050
Trazodone Hcl Generic 52 16 $530
Hydrochlorothiazide Generic 49 15 $147

Frequently asked questions

Auto-generated from federal data
What is Dr. Yan Tan's medical specialty?
Dr. Yan Tan practices Internal Medicine Physician in Quincy, MA.
Where does Dr. Yan Tan practice?
Dr. Yan Tan practices at 40 Willard St Ste 103, Quincy, MA 02169. Office phone: 6174811771.
What is Dr. Yan Tan's NPI?
Dr. Yan Tan's National Provider Identifier (NPI) is 1275819179, issued by NPPES.
Does Dr. Yan Tan accept Medicare assignment?
Yes. Dr. Yan Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yan Tan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.