Doctor profile · Federal record
Dr. Colin Greineder, MD
Emergency Medicine Physician · Emergency Medicine Physician · Ann Arbor, MI
- NPI 1679648232
- 20 yrs on file
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 East Medical Center Dr, B1 Floor University Hospital Recp Emergency
Ann Arbor, MI 481095301
(734) 936-6666 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- February 10, 2020
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Michigan #4301081618 · Pennsylvania #MD433433
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679648232. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
199
Distinct HCPCS
3
Medicare allowed
$33,362
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 116 | 115 | $183 | |
99284 |
Emergency department visit with moderate level of medical decision making | 62 | 61 | $122 | |
99291 |
Critical care, first 30-74 minutes | 21 | 21 | $219 |
In context: peer comparison
Among 75 peers in this city , average services per provider: 70. This provider delivers 2.8× the peer median.Frequently asked questions
What is Dr. Colin Greineder's medical specialty?
Dr. Colin Greineder practices Emergency Medicine Physician in Ann Arbor, MI.
Where does Dr. Colin Greineder practice?
Dr. Colin Greineder practices at 1500 East Medical Center Dr, Ann Arbor, MI 481095301. Office phone: 7349366666.
What is Dr. Colin Greineder's NPI?
Dr. Colin Greineder's National Provider Identifier (NPI) is 1679648232, issued by NPPES.
What procedures does Dr. Colin Greineder commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.