Doctor profile · Federal record

Dr. Jeffrey Nguyen, DO

Internal Medicine Physician (CMS: Internal Medicine) · Grand Rapids, MI

  • NPI 1134749583
  • Accepts Medicare
  • MIPS 93.8 / 100 · 2023
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Michigan St Ne
Grand Rapids, MI 495032560
(616) 391-3139
Mailing address
100 Michigan St Ne # Mc845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
September 28, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #5101027476

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134749583. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
60
Distinct HCPCS
2
Medicare allowed
$6,827
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 44 18 $115
99239 Hospital discharge day management, more than 30 minutes 16 16 $110

In context: peer comparison

Among 105 peers in Grand Rapids Internal Medicine Physician, average services per provider: 82. This provider delivers 0.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Nguyen's medical specialty?
Dr. Jeffrey Nguyen practices Internal Medicine Physician in Grand Rapids, MI.
Where does Dr. Jeffrey Nguyen practice?
Dr. Jeffrey Nguyen practices at 100 Michigan St Ne, Grand Rapids, MI 495032560. Office phone: 6163913139.
What is Dr. Jeffrey Nguyen's NPI?
Dr. Jeffrey Nguyen's National Provider Identifier (NPI) is 1134749583, issued by NPPES.
Does Dr. Jeffrey Nguyen accept Medicare assignment?
Yes. Dr. Jeffrey Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.