Doctor profile · Federal record

Dr. Stephanie Czarnik, M.D.

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

  • NPI 1457541526
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
June 23, 2020
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301090362

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457541526. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
262
Distinct HCPCS
7
Medicare allowed
$21,573
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 115 54 $78
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 46 29 $51
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 32 21 $118
99239 Hospital discharge day management, more than 30 minutes 31 30 $117
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 13 13 $8
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 12 $133
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 12 12 $86

In context: peer comparison

Among 135 peers in Ann Arbor Internal Medicine Physician, average services per provider: 77. This provider delivers 3.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephanie Czarnik's medical specialty?
Dr. Stephanie Czarnik practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Stephanie Czarnik practice?
Dr. Stephanie Czarnik practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Stephanie Czarnik's NPI?
Dr. Stephanie Czarnik's National Provider Identifier (NPI) is 1457541526, issued by NPPES.
Does Dr. Stephanie Czarnik accept Medicare assignment?
Yes. Dr. Stephanie Czarnik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephanie Czarnik commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.