Doctor profile · Federal record

Dr. Francis Chan, MD

Gastroenterology Physician (CMS: Gastroenterology) · Hamden, CT

  • NPI 1326140674
  • Accepts Medicare
  • MIPS 82.4 / 100 · 2023
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2200 Whitney Ave, Suite 360
Hamden, CT 06518
(203) 281-4463
fax (203) 287-2930
Mailing address
2200 Whitney Ave Ste 360
Hamden, CT 065183602

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
May 27, 2021
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Connecticut #044312
Medicaid
CT #1326140674

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326140674. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
456
Distinct HCPCS
10
Medicare allowed
$58,152
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 128 109 $95
99214 Established patient office or other outpatient visit, 30-39 minutes 67 48 $134
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 52 51 $102
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 35 35 $265
99203 New patient office or other outpatient visit, 30-44 minutes 28 28 $120
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 28 21 $83
45380 Biopsy of large bowel using a flexible endoscope 24 24 $121
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $177
99202 New patient office or other outpatient visit, 15-29 minutes 20 20 $78
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 14 14 $193

In context: peer comparison

Among 10 peers in Hamden Gastroenterology Physician, average services per provider: 124. This provider delivers 3.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$859
Transactions
42
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 14 $246.82
Celgene Corporation 8 $137.71
Qol Medical, LLC 3 $77.11
Aimmune Therapeutics, INC. 2 $44.06
Gilead Sciences, INC. 2 $43.21
Takeda Pharmaceuticals U.S.A., INC. 2 $41.00
Lilly USA, LLC 2 $40.69
Pfizer INC. 2 $35.36
Madrigal Pharmaceuticals 1 $35.18
Regeneron Healthcare Solutions, INC. 1 $31.57
Exact Sciences Corporation 1 $27.14
Ardelyx, INC. 1 $23.01
Intercept Pharmaceuticals, INC. 1 $22.80
Ironwood Pharmaceuticals, INC 1 $20.24
Fresenius Kabi USA, LLC 1 $18.07

By nature of payment

Food and Beverage
$859

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
944
Patients
352
Total drug cost
$90,366
Drug Type Claims Patients Total cost
Omeprazole Generic 297 106 $5,583
Pantoprazole Sodium Generic 152 48 $2,934
Famotidine Generic 99 35 $2,294
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 60 60 $10,755
Esomeprazole Magnesium Generic 40 17 $2,483
Linzess (Linaclotide) Brand 40 12 $34,693
Metoclopramide Hcl Generic 39 0 $370
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 34 34 $5,838
Lansoprazole Generic 33 11 $824
Dexlansoprazole Dr (Dexlansoprazole) Brand 30 0 $14,370

Frequently asked questions

Auto-generated from federal data
What is Dr. Francis Chan's medical specialty?
Dr. Francis Chan practices Gastroenterology Physician in Hamden, CT.
Where does Dr. Francis Chan practice?
Dr. Francis Chan practices at 2200 Whitney Ave, Hamden, CT 06518. Office phone: 2032814463.
What is Dr. Francis Chan's NPI?
Dr. Francis Chan's National Provider Identifier (NPI) is 1326140674, issued by NPPES.
Does Dr. Francis Chan accept Medicare assignment?
Yes. Dr. Francis Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Francis Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.