Doctor profile · Federal record
Dr. Thandiwe Gray, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Bismarck, ND
- NPI 1194884338
- Accepts Medicare
- MIPS 84.0 / 100 · 2023
- 22 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 N 7Th St
Bismarck, ND 585014439
(701) 323-6000
fax (701) 323-5918 - Mailing address
-
Po Box 5074
Sioux Falls, SD 571175074
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- February 20, 2024
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (2)
- North Dakota #11637 · Illinois #036116459
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194884338. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
972
Distinct HCPCS
4
Medicare allowed
$96,120
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 870 | 460 | $95 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 56 | 24 | $140 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 28 | 28 | $170 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 17 | $64 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 185. This provider delivers 5.3× the peer median.Open Payments
Industry payments received
All-time total
$600
Transactions
26
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, Inc. | 3 | $94.18 | |
| Tempus AI, Inc | 3 | $49.73 | |
| AstraZeneca Pharmaceuticals LP | 2 | $39.43 | |
| Exelixis Inc. | 2 | $38.66 | |
| PFIZER INC. | 2 | $34.57 | |
| GlaxoSmithKline, LLC. | 2 | $34.27 | |
| Merck Sharp & Dohme LLC | 2 | $33.84 | |
| Incyte Corporation | 2 | $29.31 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $28.80 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $27.38 | |
| Gilead Sciences, Inc. | 1 | $25.20 | |
| Eisai Inc. | 1 | $24.17 | |
| Ipsen Biopharmaceuticals, Inc | 1 | $20.66 | |
| Coherus Biosciences Inc. | 1 | $19.71 | |
| Celgene Corporation | 1 | $18.74 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,196
Patients
318
Total drug cost
$67,464
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 492 | 107 | $12,579 |
| Letrozole | Generic | 158 | 42 | $4,171 |
| Dexamethasone | Generic | 81 | 26 | $682 |
| Prednisone | Generic | 71 | 36 | $493 |
| Raloxifene Hcl | Generic | 63 | 15 | $2,588 |
| Gabapentin | Generic | 56 | 18 | $1,130 |
| Tamoxifen Citrate | Generic | 51 | 17 | $2,072 |
| Olanzapine | Generic | 38 | 12 | $121 |
| Prochlorperazine Maleate | Generic | 37 | 25 | $778 |
| Eliquis (Apixaban) | Brand | 29 | 0 | $21,275 |
Frequently asked questions
What is Dr. Thandiwe Gray's medical specialty?
Dr. Thandiwe Gray practices Hematology & Oncology Physician in Bismarck, ND.
Where does Dr. Thandiwe Gray practice?
Dr. Thandiwe Gray practices at 300 N 7Th St, Bismarck, ND 585014439. Office phone: 7013236000.
What is Dr. Thandiwe Gray's NPI?
Dr. Thandiwe Gray's National Provider Identifier (NPI) is 1194884338, issued by NPPES.
Does Dr. Thandiwe Gray accept Medicare assignment?
Yes. Dr. Thandiwe Gray accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thandiwe Gray 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); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.