Thandiwe C. Gray, M.D.
Hematology & Oncology Physician · Bismarck, ND
Thandiwe C. Gray, M.D. is a hematology & oncology physician with a practice address in Bismarck, North Dakota, and NPI 1194884338, issued on Dec 6, 2006. Check the license (North Dakota 11637, as entered in NPPES) on the North Dakota Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Thandiwe C. Gray
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 11637 ND
036116459 IL
Self-reported in NPPES; status is on the state search - Practice location
- 300 N 7TH St, Bismarck, ND 58501
- Phone
- (701) 323-6000
- Enumerated
- Dec 6, 2006
- Record last updated
- Feb 20, 2024
- Fax
- (701) 323-5918
- Medicare enrollment
- Enrolled (PECOS I20100908001142); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 39 in North Dakota → Look up another NPI →
Also registered at 300 N 7TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamad Safwan AljafarInternal Medicine Physician1720769144
- Bridget Amos, CRNACertified Registered Nurse Anesthetist1760928311
- Micah Amos, CRNACertified Registered Nurse Anesthetist1730684176
- Callie Anderson, OTD, OTR/LOccupational Therapist1669205142
- Ayden ArnoldSpeech-Language Pathologist1275411613
- Mubashir Badar, M.D.Hospitalist Physician1992041123
Verify Thandiwe C. Gray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Dakota Board of Medicine
Search for license 11637Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,390 Medicare Part D claims for 299 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Anastrozole449 claims
- Letrozole138 claims
- Raloxifene Hcl76 claims
- Dexamethasone50 claims
- Tamoxifen Citrate45 claims
- Hydroxyurea44 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 84 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $600.07
31 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sanford BismarckBismarck, ND
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thandiwe C. Gray among 39 hematology & oncology physician records in North Dakota
Thandiwe C. Gray, M.D. is one of 39 hematology & oncology physician records with a practice address in North Dakota. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 54% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2004 · median 2006 among the 31 with a school on file
- Record last updated2024 · 28% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in North Dakota
There are 39 hematology & oncology physician records in North Dakota.
All 39 in North Dakota → Every provider in Bismarck → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Alexander Johnson, MDBismarck, ND 585011275055956
- Peter Kurniali, M.D.Bismarck, ND 585011922236793
- Aaron Luebke, MDBismarck, ND 585011699929281
- Matthew McGee, MDBismarck, ND 585011932637675
- David Oladele-Bankole, MDBismarck, ND 585011083670087
- John Reynolds, MDBismarck, ND 585011417027988
- Baruti Serabe, MDBismarck, ND 585011093813743
- Stewart Sharp, MDBismarck, ND 585011235124934
Common questions
What is Thandiwe C. Gray, M.D.'s NPI number?
Thandiwe C. Gray, M.D.'s National Provider Identifier (NPI) is 1194884338, issued on Dec 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thandiwe C. Gray, M.D. located?
The NPPES record lists a practice address at 300 N 7TH St, Bismarck, ND, 58501. Phone: (701) 323-6000. Providers update this record themselves, so call before visiting.
How can I verify Thandiwe C. Gray, M.D.'s license?
NPPES lists North Dakota license number 11637, as entered by the provider. Search the North Dakota Board of Medicine at https://www.ndbom.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thandiwe C. Gray, M.D. prescribe under Medicare Part D?
In 2024, Thandiwe C. Gray, M.D. had 1,390 Medicare Part D claims for 299 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Thandiwe C. Gray, M.D.'s MIPS final score?
The 2023 MIPS final score is 84 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.