Doctor profile · Federal record

Dr. Wankin Yu, MD

Gastroenterology Physician (CMS: Gastroenterology) · Leominster, MA

  • NPI 1477639656
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
105 Erdman Way
Leominster, MA 01453
(978) 466-7800
fax (978) 466-9333

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
January 21, 2009
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Massachusetts #059212
Medicaid
MA #3033970

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477639656. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44
Distinct HCPCS
1
Medicare allowed
$5,808
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 44 13 $132

In context: peer comparison

Among 3 peers in Leominster Gastroenterology Physician, average services per provider: 87. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,956
Transactions
65
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 21 $546.81
Janssen Biotech, INC. 13 $536.25
Takeda Pharmaceuticals U.S.A., INC. 5 $140.31
Gilead Sciences, INC. 5 $125.86
E.R. Squibb & Sons, L.L.C. 1 $123.45
Intercept Pharmaceuticals, INC. 3 $79.54
Phathom Pharmaceuticals, INC. 4 $70.82
Fresenius Kabi USA, LLC 3 $60.73
Celltrion USA INC. 2 $60.11
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 2 $46.75
Ardelyx, INC. 2 $32.69
Boehringer Ingelheim Pharmaceuticals, INC. 1 $26.26
Pfizer INC. 1 $25.21
Celgene Corporation 1 $25.03
Madrigal Pharmaceuticals 1 $22.09

By nature of payment

Food and Beverage
$1,896
Education
$60

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
358
Patients
69
Total drug cost
$90,722
Drug Type Claims Patients Total cost
Omeprazole Generic 146 47 $4,586
Mesalamine Generic 48 11 $37,958
Pantoprazole Sodium Generic 36 11 $1,574
Prednisone Generic 25 0 $134
Mesalamine ER (Mesalamine) Brand 24 0 $16,162
Famotidine Generic 19 0 $305
Sucralfate Generic 18 0 $1,034
Sulfasalazine Generic 17 0 $734
Adefovir Dipivoxil Generic 13 0 $6,656
Creon (Lipase/Protease/Amylase) Brand 12 0 $21,581

Frequently asked questions

Auto-generated from federal data
What is Dr. Wankin Yu's medical specialty?
Dr. Wankin Yu practices Gastroenterology Physician in Leominster, MA.
Where does Dr. Wankin Yu practice?
Dr. Wankin Yu practices at 105 Erdman Way, Leominster, MA 01453. Office phone: 9784667800.
What is Dr. Wankin Yu's NPI?
Dr. Wankin Yu's National Provider Identifier (NPI) is 1477639656, issued by NPPES.
Does Dr. Wankin Yu accept Medicare assignment?
Yes. Dr. Wankin Yu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wankin Yu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.