Doctor profile · Federal record
Dr. Marcus Calderon, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Ann Arbor, MI
- NPI 1639600885
- Accepts Medicare
- 9 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000 - Additional location
-
1701 N Senate Blvd
Indianapolis, IN 462021239
(317) 962-8776 - Additional location
-
100 E 77Th St
New York, NY 100751850
(212) 434-2000 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- March 2017 — 9 yrs on file
- Profile last updated
- September 5, 2025
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Michigan #4301502127 · Indiana #01096557A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639600885. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
156
Distinct HCPCS
3
Medicare allowed
$21,177
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 98 | 96 | $133 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 38 | 21 | $121 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 20 | 20 | $176 |
In context: peer comparison
Among 135 peers in Ann Arbor Internal Medicine Physician, average services per provider: 77. This provider delivers 2.0× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Marcus Calderon's medical specialty?
Dr. Marcus Calderon practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Marcus Calderon practice?
Dr. Marcus Calderon practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Marcus Calderon's NPI?
Dr. Marcus Calderon's National Provider Identifier (NPI) is 1639600885, issued by NPPES.
Does Dr. Marcus Calderon accept Medicare assignment?
Yes. Dr. Marcus Calderon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marcus Calderon commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); 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.