Nishant Rajendra Tiwari, M.D.
Hematology & Oncology Physician · Oklahoma City, OK
Nishant Rajendra Tiwari, M.D. is a hematology & oncology physician with a practice address in Oklahoma City, Oklahoma, and NPI 1457926669, issued on May 21, 2021. Check the license (Oklahoma 43744, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Nishant Rajendra Tiwari
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 43744 OK
Self-reported in NPPES; status is on the state search - Practice location
- 800 NE 10TH St FL 6, Oklahoma City, OK 73104
- Phone
- (405) 271-8001
- Enumerated
- May 21, 2021
- Record last updated
- Sep 1, 2024
- Fax
- (405) 271-3020
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 128 in Oklahoma → Look up another NPI →
Also registered at 800 NE 10TH St FL 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin Ezzell, D.O.Hematology & Oncology Physician1801091996
- Alexandra Farrukh, MDNeurology Physician1528529500
- Minh Phan, MDInternal Medicine Physician1124312343
- Shandy Stotler, APRN-CNP, DNPFamily Nurse Practitioner1588100408
- Regina Swenton, PA-CPhysician Assistant1972019636
Verify Nishant Rajendra Tiwari in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 43744Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
113 Medicare Part D claims for 24 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium13 claims
- Januvia11 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: $89.99
1 payment: education; the largest payer was Incyte Corporation. 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.
Nishant Rajendra Tiwari among 128 hematology & oncology physician records in Oklahoma
Nishant Rajendra Tiwari, M.D. is one of 128 hematology & oncology physician records with a practice address in Oklahoma. 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 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2024 · 65% 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 Oklahoma 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 Oklahoma
There are 128 hematology & oncology physician records in Oklahoma.
All 128 in Oklahoma → Every provider in Oklahoma City → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Sakher Abdullah, MDOklahoma City, OK 731041932111333
- Philip Comp, MDOklahoma City, OK 731041790754729
- Graca Dores, MD, MPHOklahoma City, OK 731041316143837
- Robert Epstein, MDOklahoma City, OK 731041154390185
- Erin Ezzell, D.O.Oklahoma City, OK 731041801091996
- James George, MDOklahoma City, OK 731041093783227
- Hassan Hatoum, MDOklahoma City, OK 731041902137540
- Jennifer Holter-Chakrabarty, MDOklahoma City, OK 731041841268091
Common questions
What is Nishant Rajendra Tiwari, M.D.'s NPI number?
Nishant Rajendra Tiwari, M.D.'s National Provider Identifier (NPI) is 1457926669, issued on May 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Nishant Rajendra Tiwari, M.D. located?
The NPPES record lists a practice address at 800 NE 10TH St FL 6, Oklahoma City, OK, 73104. Phone: (405) 271-8001. Providers update this record themselves, so call before visiting.
How can I verify Nishant Rajendra Tiwari, M.D.'s license?
NPPES lists Oklahoma license number 43744, as entered by the provider. 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 Nishant Rajendra Tiwari, M.D. prescribe under Medicare Part D?
In 2024, Nishant Rajendra Tiwari, M.D. had 113 Medicare Part D claims for 24 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.