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Hematology/Oncology

Thandiwe C. Gray, MD

Works at hospitals in Bismarck, ND · Elgin, ND · Mobridge, SD … · North Dakota, South Dakota

Summary

Thandiwe C. Gray, MD (Hematology/Oncology) is listed by Medicare at 5 hospitals in Bismarck, ND, Elgin, ND and Mobridge, SD and other places. NPI 1194884338. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Thandiwe C. Gray, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
22Years since medical school (graduated 2004)
FemaleGender (as listed)
Sanford BismarckGroup practice

Quick answers

Which hospitals does Thandiwe C. Gray work at?
Medicare's official clinician data lists Thandiwe C. Gray at 5 hospitals: CHI St Alexius Health, Jacobson Memorial Hospital Care Center, Mobridge Regional Hospital - CAH, Sakakawea Medical Center - CAH and Sanford Medical Center Bismarck. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thandiwe C. Gray see patients?
Medicare's clinician data lists 3 practice locations, including Bismarck, ND. Call before your visit to confirm the address.
What is Thandiwe C. Gray's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Thandiwe C. Gray accept Medicare assignment?
Yes. Medicare's clinician data says Thandiwe C. Gray accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Thandiwe C. Gray offer telehealth?
Medicare's clinician data says Thandiwe C. Gray offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Thandiwe C. Gray?
(701) 323-6000, as listed in official Medicare / NPI Registry data.
What is Thandiwe C. Gray's NPI number?
1194884338. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thandiwe C. Gray works

Medicare's Facility Affiliation Data lists Thandiwe C. Gray at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Thandiwe C. Gray is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thandiwe C. Gray as a member of this group (CMS data updated 2026-10-02).

  • Sanford Bismarck556 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in North Dakota →

Other hematologist-oncologists in Bismarck

Clinicians with the same Medicare primary specialty in Bismarck, ND — not a recommendation.

All hematologist-oncologists in Bismarck →

Clinician information

CredentialMD
Graduation year2004
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1194884338
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians