Doctor profile · Federal record
Dr. Gregory Kalemkerian, MD
Medical Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Ann Arbor, MI
- NPI 1316023278
- Accepts Medicare
- 41 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
- October 2006 — 20 yrs on file
- Profile last updated
- March 5, 2020
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- Michigan #4301062350
- Medicaid
- MI #4080959
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316023278. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
313
Distinct HCPCS
3
Medicare allowed
$40,570
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 147 | 71 | $145 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 134 | 73 | $99 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 32 | 32 | $185 |
In context: peer comparison
Among 20 peers in this city , average services per provider: 74. This provider delivers 4.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
210
Patients
56
Total drug cost
$689,804
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 37 | 0 | $430 |
| Ondansetron Hcl | Generic | 34 | 18 | $326 |
| Tagrisso (Osimertinib Mesylate) | Brand | 31 | 0 | $493,365 |
| Prednisone | Generic | 27 | 16 | $153 |
| Dexamethasone | Generic | 16 | 11 | $545 |
| Prochlorperazine Maleate | Generic | 15 | 11 | $591 |
| Enoxaparin Sodium | Generic | 14 | 0 | $4,948 |
| Levothyroxine Sodium | Generic | 14 | 0 | $202 |
| Escitalopram Oxalate | Generic | 11 | 0 | $28 |
| Rozlytrek (Entrectinib) | Brand | 11 | 0 | $189,215 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Kalemkerian's medical specialty?
Dr. Gregory Kalemkerian practices Medical Oncology Physician in Ann Arbor, MI.
Where does Dr. Gregory Kalemkerian practice?
Dr. Gregory Kalemkerian practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Gregory Kalemkerian's NPI?
Dr. Gregory Kalemkerian's National Provider Identifier (NPI) is 1316023278, issued by NPPES.
Does Dr. Gregory Kalemkerian accept Medicare assignment?
Yes. Dr. Gregory Kalemkerian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Kalemkerian commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.