Doctor profile · Federal record
Dr. Charles Siedlecki, MD
Internal Medicine Physician (CMS: Hospitalist) · Hospitalist Physician · Ann Arbor, MI
- NPI 1588023113
- Accepts Medicare
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- 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
- NPI registered
- February 2016 — 10 yrs on file
- Profile last updated
- June 30, 2020
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #4301501950
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588023113. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
208
Distinct HCPCS
3
Medicare allowed
$31,795
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 126 | 125 | $174 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 59 | 28 | $121 | |
99239 |
Hospital discharge day management, more than 30 minutes | 23 | 23 | $117 |
In context: peer comparison
Among 135 peers in Ann Arbor Internal Medicine Physician, average services per provider: 77. This provider delivers 2.7× the peer median.Frequently asked questions
What is Dr. Charles Siedlecki's medical specialty?
Dr. Charles Siedlecki practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Charles Siedlecki practice?
Dr. Charles Siedlecki practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Charles Siedlecki's NPI?
Dr. Charles Siedlecki's National Provider Identifier (NPI) is 1588023113, issued by NPPES.
Does Dr. Charles Siedlecki accept Medicare assignment?
Yes. Dr. Charles Siedlecki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Siedlecki commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.