Doctor profile · Federal record
Dr. Ralph Greenberg, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Detroit, MI
- NPI 1205904745
- Accepts Medicare
- 48 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2799 W Grand Blvd
Detroit, MI 482022608
(313) 916-2600
fax (313) 916-3235
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #4301042372
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205904745. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
384
Distinct HCPCS
4
Medicare allowed
$39,085
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 237 | 129 | $99 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 62 | 62 | $67 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 59 | 59 | $130 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 26 | 22 | $146 |
In context: peer comparison
Among 143 peers in Detroit Internal Medicine Physician, average services per provider: 94. This provider delivers 4.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
4,515
Patients
1,327
Total drug cost
$73,792
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 907 | 265 | $18,748 |
| Amlodipine Besylate | Generic | 482 | 142 | $4,477 |
| Losartan Potassium | Generic | 377 | 113 | $6,982 |
| Metformin Hcl | Generic | 376 | 111 | $4,450 |
| Lisinopril | Generic | 357 | 103 | $3,996 |
| Levothyroxine Sodium | Generic | 265 | 76 | $4,639 |
| Tamsulosin Hcl | Generic | 260 | 80 | $5,189 |
| Nifedipine ER (Nifedipine) | Brand | 232 | 60 | $10,434 |
| Gabapentin | Generic | 227 | 49 | $2,824 |
| Omeprazole | Generic | 217 | 75 | $2,818 |
Hospital affiliations
Frequently asked questions
What is Dr. Ralph Greenberg's medical specialty?
Dr. Ralph Greenberg practices Internal Medicine Physician in Detroit, MI.
Where does Dr. Ralph Greenberg practice?
Dr. Ralph Greenberg practices at 2799 W Grand Blvd, Detroit, MI 482022608. Office phone: 3139162600.
What is Dr. Ralph Greenberg's NPI?
Dr. Ralph Greenberg's National Provider Identifier (NPI) is 1205904745, issued by NPPES.
Does Dr. Ralph Greenberg accept Medicare assignment?
Yes. Dr. Ralph Greenberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ralph Greenberg 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 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.