Doctor profile · Federal record
Dr. Gregory Washington, MD
Psychiatry Physician (CMS: Psychiatry) · Detroit, MI
- NPI 1568679314
- Accepts Medicare
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3901 Walter P Chrysler Service Dr.
Detroit, MI 482012167
(313) 993-3434
fax (313) 993-3421 - Mailing address
-
1560 E Maple RD, Suite 400 - Credentialing
Troy, MI 480831138
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- April 16, 2024
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Michigan #4301084537
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568679314. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
90
Distinct HCPCS
3
Medicare allowed
$14,546
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90792 |
Psychiatric diagnostic evaluation with medical services | 44 | 44 | $173 | |
99284 |
Emergency department visit with moderate level of medical decision making | 25 | 22 | $125 | |
99285 |
Emergency department visit with high level of medical decision making | 21 | 18 | $182 |
In context: peer comparison
Among 35 peers in this city , average services per provider: 160. This provider delivers 0.6× the peer median.Open Payments
Industry payments received
All-time total
$1,120
Transactions
46
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 12 | $344.14 | |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | 14 | $232.42 | |
| Teva Pharmaceuticals USA, Inc. | 1 | $111.49 | |
| Neurocrine Biosciences, Inc. | 4 | $108.30 | |
| Indivior Inc. | 2 | $75.72 | |
| ABBVIE INC. | 3 | $63.34 | |
| Otsuka America Pharmaceutical, Inc. | 3 | $55.73 | |
| Alkermes, Inc. | 3 | $49.12 | |
| Sage Therapeutics, Inc. | 1 | $36.29 | |
| Axsome Therapeutics, Inc. | 1 | $14.86 | |
| Janssen Pharmaceuticals, Inc | 1 | $14.69 | |
| Lundbeck LLC | 1 | $13.60 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,136
Patients
782
Total drug cost
$143,081
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Benztropine Mesylate | Generic | 628 | 82 | $7,171 |
| Quetiapine Fumarate | Generic | 534 | 92 | $15,711 |
| Olanzapine | Generic | 466 | 47 | $12,476 |
| Aripiprazole | Generic | 424 | 69 | $29,388 |
| Trazodone Hcl | Generic | 387 | 75 | $4,949 |
| Risperidone | Generic | 380 | 65 | $6,610 |
| Haloperidol Decanoate | Generic | 331 | 40 | $19,313 |
| Haloperidol | Generic | 329 | 48 | $12,802 |
| Divalproex Sodium | Generic | 320 | 49 | $10,946 |
| Sertraline Hcl | Generic | 307 | 48 | $2,107 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Washington's medical specialty?
Dr. Gregory Washington practices Psychiatry Physician in Detroit, MI.
Where does Dr. Gregory Washington practice?
Dr. Gregory Washington practices at 3901 Walter P Chrysler Service Dr., Detroit, MI 482012167. Office phone: 3139933434.
What is Dr. Gregory Washington's NPI?
Dr. Gregory Washington's National Provider Identifier (NPI) is 1568679314, issued by NPPES.
Does Dr. Gregory Washington accept Medicare assignment?
Yes. Dr. Gregory Washington accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Washington commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric diagnostic evaluation with medical services (HCPCS 90792); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.