Doctor profile · Federal record
Dr. Ronald Koenig, MD
Endocrinology, Diabetes & Metabolism Physician · Internal Medicine Physician · Ann Arbor, MI
- NPI 1982787818
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 East Medical Center Dr, 1St Floor Cancer & Geriatrics Center
Ann Arbor, MI 481095354
(734) 763-4876 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- October 24, 2019
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Michigan #4301052578
- Medicaid
- MI #1897580
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982787818. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
30
Distinct HCPCS
2
Medicare allowed
$3,627
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 15 | $99 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 14 | 14 | $146 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 43. This provider delivers 0.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
154
Patients
29
Total drug cost
$4,889
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 94 | 29 | $1,852 |
| Synthroid (Levothyroxine Sodium) | Brand | 26 | 0 | $2,566 |
| Levoxyl (Levothyroxine Sodium) | Brand | 23 | 0 | $434 |
| Methimazole | Generic | 11 | 0 | $37 |
Frequently asked questions
What is Dr. Ronald Koenig's medical specialty?
Dr. Ronald Koenig practices Endocrinology, Diabetes & Metabolism Physician in Ann Arbor, MI.
Where does Dr. Ronald Koenig practice?
Dr. Ronald Koenig practices at 1500 East Medical Center Dr, Ann Arbor, MI 481095354. Office phone: 7347634876.
What is Dr. Ronald Koenig's NPI?
Dr. Ronald Koenig's National Provider Identifier (NPI) is 1982787818, issued by NPPES.
What procedures does Dr. Ronald Koenig commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.