Doctor profile · Federal record

Dr. Benjamin Stein, M.D.,

Gastroenterology Physician (CMS: Gastroenterology) · Lewiston, ME

  • NPI 1245402460
  • Accepts Medicare
  • MIPS 76.4 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
77 Bates St, Ste. 202
Lewiston, ME 042407637
(207) 784-5784
fax (207) 784-1477
Additional location
35 Medical Center Pkwy
Augusta, ME 043308160
(207) 621-4600
fax (207) 626-1045

Credentials & registration

NPPES · NUCC
NPI registered
March 2008 — 18 yrs on file
Profile last updated
November 24, 2025
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Maine #MD20464

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245402460. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
281
Distinct HCPCS
10
Medicare allowed
$38,968
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 80 79 $113
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 65 65 $236
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 25 25 $104
45378 Diagnostic exam of large bowel using a flexible endoscope 24 23 $163
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 18 18 $126
45380 Biopsy of large bowel using a flexible endoscope 18 18 $131
43450 Dilation of esophagus 13 12 $38
99213 Established patient office or other outpatient visit, 20-29 minutes 13 11 $63
99214 Established patient office or other outpatient visit, 30-39 minutes 13 13 $94
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 12 12 $79

In context: peer comparison

Among 3 peers in this city , average services per provider: 32. This provider delivers 8.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$903
Transactions
39
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 16 $364.92
Merck Sharp & Dohme LLC 6 $118.44
Janssen Biotech, Inc. 3 $90.57
Intercept Pharmaceuticals, Inc. 3 $74.83
Salix Pharmaceuticals, a division of Bausch Health US, LLC 3 $65.22
Phathom Pharmaceuticals, Inc. 2 $47.05
Takeda Pharmaceuticals U.S.A., Inc. 2 $43.53
Gilead Sciences, Inc. 2 $39.94
Regeneron Healthcare Solutions, Inc. 1 $32.17
GENZYME CORPORATION 1 $26.34

By nature of payment

Food and Beverage
$903

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
93
Patients
53
Total drug cost
$52,010
Drug Type Claims Patients Total cost
Omeprazole Generic 43 28 $850
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 25 25 $451
Pantoprazole Sodium Generic 13 0 $266
Xifaxan (Rifaximin) Brand 12 0 $50,442

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Benjamin Stein's medical specialty?
Dr. Benjamin Stein practices Gastroenterology Physician in Lewiston, ME.
Where does Dr. Benjamin Stein practice?
Dr. Benjamin Stein practices at 77 Bates St, Lewiston, ME 042407637. Office phone: 2077845784.
What is Dr. Benjamin Stein's NPI?
Dr. Benjamin Stein's National Provider Identifier (NPI) is 1245402460, issued by NPPES.
Does Dr. Benjamin Stein accept Medicare assignment?
Yes. Dr. Benjamin Stein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Stein commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43235). Source: CMS Medicare Physician & Other Practitioners file.