THANDIWE C GRAY M.D.
NPI 1194884338
Internal Medicine - Hematology & Oncology in Bismarck, ND

Active since December 06, 2006PECOS EnrolledAccepts Medicare Assignment
83.98/100
CMS Quality Rating
300 N 7TH ST, BISMARCK, ND 58501(701) 323-6000(701) 323-5918 Get Directions Write a Review

NPPES record last updated: February 20, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Thandiwe C Gray M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THANDIWE C GRAY M.D. (NPI 1194884338) is an individual hematology & oncology provider in Bismarck, North Dakota, licensed in North Dakota (11637) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, is affiliated with Chi St Alexius Health, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1194884338
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameTHANDIWE C GRAYCredential: M.D.
Location Address300 N 7TH STBismarck, ND 58501-4439
Mailing AddressPo Box 5074Sioux Falls, SD 57117-5074 · (605) 328-9419
Fax(701) 323-5918
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateDecember 6, 2006
Last NPPES UpdateFebruary 20, 2024
NPPES CertifiedFebruary 20, 2024
NPI 1194884338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in ND · 11637
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036116459 (IL)
300 N 7TH ST, Bismarck, ND 58501

Other Names 1

Former Name (1)Thandiwe C Chilumbu

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Thandiwe C Gray M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123125853
PECOS Enrollment IDI20100908001142
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
686 services420 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
50 services23 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
49 services49 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Chi St Alexius Health

Acute Care Hospitals · Bismarck, ND
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number350002
Location900 E BroadwayBismarck, ND 58501 · Burleigh County
Emergency services Birthing friendly

Sanford Medical Center Bismarck

Acute Care Hospitals · Bismarck, ND
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number350015
Location300 N 7th StBismarck, ND 58506 · Burleigh County
Emergency services Birthing friendly

Mckenzie County Healthcare Systems Inc

Critical Access Hospitals · Watford City, ND
OwnershipVoluntary non-profit - Private
CMS Certification Number351302
Location709 4th Ave NEWatford City, ND 58854 · Mckenzie County
Emergency services

Sakakawea Medical Center - Cah

Critical Access Hospitals · Hazen, ND
OwnershipVoluntary non-profit - Private
CMS Certification Number351310
Location510 8th Avenue NEHazen, ND 58545 · Mercer County
Emergency services

Jacobson Memorial Hospital Care Center

Critical Access Hospitals · Elgin, ND
OwnershipVoluntary non-profit - Private
CMS Certification Number351314
Location601 East St NElgin, ND 58533 · Grant County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 58501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$168.12 typical visit price
range $55.75 – $168.12
Typical copayment $42.03 (range $13.93 – $42.03)
Most-billed visit code 99205
Established Patient
$98.29 typical visit price
range $18.11 – $137.65
Typical copayment $24.57 (range $4.52 – $34.41)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.98/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.28
Promoting Interoperability99
Improvement Activities40
Cost68.15

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers44 claims2,638 services$0.70 avg. paid by Medicare
Breast prosthesis, mastectomy bra, without integrated breast prosthesis form, any size, any type L8000
DME-Orthotic Devices · category DF000N
5 suppliers60 claims117 services$30.73 avg. paid by Medicare
Breast prosthesis, silicone or equal, without integral adhesive L8030
DME-Orthotic Devices · category DF000N
3 suppliers15 claims17 services$294.01 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
3 suppliers42 claims42 services$17.15 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
3 suppliers12 claims16 services$12.57 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Occupational Therapist
300 N 7TH ST
BISMARCK, ND 58501
Emergency Medicine
300 N 7TH ST
BISMARCK, ND 58501
Nurse Anesthetist, Certified Registered
300 N 7TH ST
BISMARCK, ND 58501
Nurse Practitioner
300 N 7TH ST
BISMARCK, ND 58501
Nurse Practitioner (Gerontology)
300 N 7TH ST
BISMARCK, ND 58501
Pharmacist
300 N 7TH ST
BISMARCK, ND 58501
Physical Therapist
300 N 7TH ST
BISMARCK, ND 58501
Hospitalist
300 N 7TH ST
BISMARCK, ND 58501

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thandiwe Gray's NPI number?

The NPI number for Thandiwe Gray is 1194884338. It was assigned to this individual provider in the NPPES registry on December 6, 2006. The provider is also known as Thandiwe C Chilumbu.

Where is Thandiwe Gray located?

Thandiwe Gray practices at 300 N 7th St, Bismarck, ND 58501. The listed phone number is (701) 323-6000.

What is Thandiwe Gray's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Thandiwe Gray enrolled in Medicare?

Yes. Thandiwe Gray is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Thandiwe Gray accept?

Health plans from Blue Cross Blue Shield of North Dakota, Medica, Sanford Health Plan and Security Health Plan list Thandiwe Gray as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Thandiwe Gray affiliated with any hospitals?

According to CMS data, Thandiwe Gray is affiliated with Chi St Alexius Health, Sanford Medical Center Bismarck, Mckenzie County Healthcare Systems Inc, Sakakawea Medical Center - Cah and Jacobson Memorial Hospital Care Center.

When was this NPI record last updated?

The NPPES record for Thandiwe Gray was last updated on February 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.