Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Thandiwe C Gray, MD

Individual provider Internal Medicine Physician · NPI 1194884338

Thandiwe C Gray, MD is a Hematology/Oncology in Bismarck, North Dakota. Qualified in 2004, 22 years ago. Practices with Sanford Bismarck, a 561-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois and North Dakota.

Years since qualifying
22
Licensed in
IL, ND
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 N 7th St
Bismarck, ND 58501-4439
Phone: (701) 323-6000
Fax: (701) 323-5918
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 11637 (ND)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036116459 (IL)

Record details

NPI number1194884338
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 6, 2006
Last updated in NPPESFebruary 20, 2024
Certification dateFebruary 20, 2024
Mailing addressPo Box 5074, Sioux Falls, SD 57117-5074

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Sanford Bismarck — 561 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Bismarck