Doctor profile · Federal record

Dr. John Morgenstern, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Lewiston, ID

  • NPI 1740386432
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
415 6Th St
Lewiston, ID 83501
(208) 743-3998
Additional location
307 Saint Johns Way Ste 1
Lewiston, ID 835012435
Mailing address
415 6Th Street, Attn: Physician Services
Lewiston, ID 835012434

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
December 27, 2024
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Idaho #M-11337
Medicaid (2)
ID #1740386432 · KY #64271950

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740386432. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
896
Distinct HCPCS
9
Medicare allowed
$144,040
HCPCS Description Services Patients Avg allowed
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 255 199 $138
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 232 231 $229
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 94 93 $104
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 76 76 $95
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 73 73 $166
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 49 49 $166
45380 Biopsy of large bowel using a flexible endoscope 45 45 $178
45378 Diagnostic exam of large bowel using a flexible endoscope 44 43 $165
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 28 14 $113

In context: peer comparison

Among 2 peers in this city , average services per provider: 67. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Braintree Laboratories, Inc. 1 $14.66

By nature of payment

Food and Beverage
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
571
Patients
508
Total drug cost
$9,695
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 342 339 $6,114
Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 76 74 $1,295
Omeprazole Generic 71 13 $432
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 55 55 $1,097
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 27 27 $757

Frequently asked questions

Auto-generated from federal data
What is Dr. John Morgenstern's medical specialty?
Dr. John Morgenstern practices Gastroenterology Physician in Lewiston, ID.
Where does Dr. John Morgenstern practice?
Dr. John Morgenstern practices at 415 6Th St, Lewiston, ID 83501. Office phone: 2087433998.
What is Dr. John Morgenstern's NPI?
Dr. John Morgenstern's National Provider Identifier (NPI) is 1740386432, issued by NPPES.
Does Dr. John Morgenstern accept Medicare assignment?
Yes. Dr. John Morgenstern accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Morgenstern commonly perform?
Top Medicare-reported procedures in 2023: Insertion of guide wire with dilation of esophagus using a flexible endoscope (HCPCS 43248); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.