Doctor profile · Federal record

Dr. Jeffrey Marinshaw, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Ann Arbor, MI

  • NPI 1831683820
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 8 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Additional location
1 Barnes Jewish Hospital Plz, Div Im Hospitalist
Saint Louis, MO 631101003
(314) 362-1700
fax (314) 362-9878
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
August 5, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Michigan #4301514719 · Missouri #2021012134
Medicaid
MO #200061066

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831683820. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
334
Distinct HCPCS
4
Medicare allowed
$34,141
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 175 57 $78
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 98 38 $118
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 33 33 $172
99239 Hospital discharge day management, more than 30 minutes 28 28 $113

In context: peer comparison

Among 135 peers in Ann Arbor Internal Medicine Physician, average services per provider: 77. This provider delivers 4.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Marinshaw's medical specialty?
Dr. Jeffrey Marinshaw practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Jeffrey Marinshaw practice?
Dr. Jeffrey Marinshaw practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Jeffrey Marinshaw's NPI?
Dr. Jeffrey Marinshaw's National Provider Identifier (NPI) is 1831683820, issued by NPPES.
Does Dr. Jeffrey Marinshaw accept Medicare assignment?
Yes. Dr. Jeffrey Marinshaw accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Marinshaw commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.