Doctor profile · Federal record

Dr. Julie Yam, D.O.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Muskegon, MI

  • NPI 1891131959
  • Accepts Medicare
  • MIPS 93.8 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1675 Leahy St Ste 324B
Muskegon, MI 494425500
(231) 672-8700
fax (231) 672-8307
Mailing address
Po Box 776982
Chicago, IL 606776782

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
December 22, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Michigan #5101020259
Medicaid
MI #1891131959

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891131959. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
312
Distinct HCPCS
10
Medicare allowed
$41,255
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 61 35 $78
45380 Biopsy of large bowel using a flexible endoscope 51 50 $100
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 49 49 $239
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 44 42 $103
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 22 $171
99203 New patient office or other outpatient visit, 30-44 minutes 19 19 $82
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $131
45378 Diagnostic exam of large bowel using a flexible endoscope 18 18 $165
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 17 15 $170
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $128

In context: peer comparison

Among 3 peers in Muskegon Gastroenterology Physician, average services per provider: 32. This provider delivers 9.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$240
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $155.91
Genzyme Corporation 1 $84.51

By nature of payment

Food and Beverage
$240

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
476
Patients
399
Total drug cost
$11,666
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 329 319 $8,720
Omeprazole Generic 90 42 $1,861
Pantoprazole Sodium Generic 33 14 $601
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 24 24 $484

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Julie Yam's medical specialty?
Dr. Julie Yam practices Gastroenterology Physician in Muskegon, MI.
Where does Dr. Julie Yam practice?
Dr. Julie Yam practices at 1675 Leahy St Ste 324B, Muskegon, MI 494425500. Office phone: 2316728700.
What is Dr. Julie Yam's NPI?
Dr. Julie Yam's National Provider Identifier (NPI) is 1891131959, issued by NPPES.
Does Dr. Julie Yam accept Medicare assignment?
Yes. Dr. Julie Yam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julie Yam commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.