NPPES file of Aug 9, 2026

Ignatius Nyatsanza, M.D.

Hematology & Oncology Physician · Oklahoma City, OK

Ignatius Nyatsanza, M.D. is a hematology & oncology physician with a practice address in Oklahoma City, Oklahoma, and NPI 1891945184, issued on Sep 24, 2008. Check the license on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891945184
Name
Ignatius Nyatsanza
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
036137514 IL
Self-reported in NPPES; status is on the state search
Practice location
4401 S Western Ave, Oklahoma City, OK 73109
Phone
(405) 713-7403
Enumerated
Sep 24, 2008
Record last updated
Nov 10, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(405) 713-2794
Medicare enrollment
Enrolled (PECOS I20181205000644); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4401 S Western Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sarah Adams, D.O.Anesthesiology Physician1518257518
  2. Tinuola AgbabiakaEmergency Medicine Physician1790097459
  3. Jacob Allbritton, PA-CPhysician Assistant1639646656
  4. Eric AndersonPhysician Assistant1245874270
  5. Abeer Bin Awais, MDHospitalist Physician1568194108
  6. Christopher Bass, D.O.Emergency Medicine Physician1154686152

Verify Ignatius Nyatsanza in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and SupervisionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oklahoma license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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7% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

812 Medicare Part D claims for 159 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 20 claims were for opioids.

  1. Ignatius Nyatsanza812
  2. Specialty average877

Most prescribed

  1. Anastrozole111 claims
  2. Prochlorperazine Maleate75 claims
  3. Eliquis62 claims
  4. Hydroxyurea50 claims
  5. Mirtazapine38 claims
  6. Dexamethasone36 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.

Industry payments in 2024: $21.08

1 payment: food and beverage; the largest payer was Tempus AI, 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.

  1. Ignatius Nyatsanza$21.08
  2. Specialty average$7,481.41

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

  1. Advocate Health And Hospitals CorporationSouth Holland, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hematology & Oncology Physician providers in Oklahoma

There are 128 hematology & oncology physician records in Oklahoma.

Other hematology & oncology physician records in Oklahoma

  1. Sakher Abdullah, MDOklahoma City, OK1932111333
  2. Bilal Ahmad, M.DOklahoma City, OK1275845778
  3. Taha Al-Juhaishi, M.D.Oklahoma City, OK1205241262
  4. Bashar Alasad, M.D.Oklahoma City, OK1215988803
  5. Jess Armor, M.D.Oklahoma City, OK1922059666
  6. Matthew Armstrong, MDTulsa, OK1457363236
  7. Adam Asch, M.D.Oklahoma City, OK1154434405
  8. Adanma Anji Ayanambakkam AttanathiOklahoma City, OK1265813513
  9. Than Aye, MDLawton, OK1104053792
  10. Laila Babar, MDOklahoma City, OK1760907513

Common questions

What is Ignatius Nyatsanza, M.D.'s NPI number?

Ignatius Nyatsanza, M.D.'s National Provider Identifier (NPI) is 1891945184, issued on Sep 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Ignatius Nyatsanza, M.D. located?

The NPPES record lists a practice address at 4401 S Western Ave, Oklahoma City, OK, 73109. Phone: (405) 713-7403. Providers update this record themselves, so call before visiting.

How can I verify Ignatius Nyatsanza, M.D.'s license?

Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ignatius Nyatsanza, M.D. prescribe under Medicare Part D?

In 2024, Ignatius Nyatsanza, M.D. had 812 Medicare Part D claims for 159 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

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.