NPPES file of Aug 9, 2026

Sumbal Nabi, MD

Medical Oncology Physician · Enid, OK

Sumbal Nabi, MD is a medical oncology physician with a practice address in Enid, Oklahoma, and NPI 1255472122, issued on Feb 12, 2007. Check the license (Oklahoma 40297, as entered in NPPES) 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255472122
Name
Sumbal Nabi
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
40297 OK
Self-reported in NPPES; status is on the state search
Practice location
600 S Monroe St, Enid, OK 73701
Phone
(580) 977-1950
Enumerated
Feb 12, 2007
Record last updated
Mar 6, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(580) 977-1949
Medicaid ID
200198300A OK
Medicare enrollment
Enrolled (PECOS I20100910000838); accepts Medicare assignment
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 600 S Monroe St

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

  1. Best Chen, DOFamily Medicine Physician1982920708
  2. Shannon Clark, PHYSICIAN ASSISTANTPhysician Assistant1811569270
  3. Brian Cook, D.O.Emergency Medical Services (Emergency Medicine) Physician1275638835
  4. Paul Erba, MDRadiation Oncology Physician1619050622
  5. Mark Goering, M.D.Diagnostic Radiology Physician1750364311
  6. John Hensley, M.D.Family Medicine Physician1841252483

Verify Sumbal Nabi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 40297
    Check 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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2.1 times the Medicare Part D claims of the average medical oncology physician in 2024

1,499 Medicare Part D claims for 239 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 198 claims were for opioids.

  1. Sumbal Nabi1,499
  2. Specialty average703

Most prescribed

  1. Anastrozole234 claims
  2. Ondansetron Odt92 claims
  3. Hydroxyurea78 claims
  4. Gabapentin70 claims
  5. Oxycodone Hcl62 claims
  6. Potassium Chloride61 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 77.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.5
  2. Costout of 100 · 30%43.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $356.55

16 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sumbal Nabi$357
  2. Specialty average$11,773

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. Integris Ambulatory Care CorporationEnid, OK

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

Medical Oncology Physician providers in Oklahoma

There are 14 medical oncology physician records in Oklahoma.

Other medical oncology physician records in Oklahoma

  1. Haripriya Andanamala, MDOklahoma City, OK1689134041
  2. Mathew Cherian, MDOklahoma City, OK1639258379
  3. Nirmal Choradia, M.D.Oklahoma City, OK1366785586
  4. Muhammad Furqan, M.DOklahoma City, OK1306090220
  5. Simeon Jaggernauth, DOTulsa, OK1083667737
  6. Manjula Krishnamurthi, M.DMuskogee, OK1679688352
  7. Meredith LaroseOklahoma City, OK1144719576
  8. Tariq Mahmood, M.D.Midwest City, OK1992761589
  9. Rick McKinney, DONorman, OK1235124330
  10. Jennifer O'Stasik, M.D.Tulsa, OK1447385091

Common questions

What is Sumbal Nabi, MD's NPI number?

Sumbal Nabi, MD's National Provider Identifier (NPI) is 1255472122, issued on Feb 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sumbal Nabi, MD located?

The NPPES record lists a practice address at 600 S Monroe St, Enid, OK, 73701. Phone: (580) 977-1950. Providers update this record themselves, so call before visiting.

How can I verify Sumbal Nabi, MD's license?

NPPES lists Oklahoma license number 40297, 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 Sumbal Nabi, MD prescribe under Medicare Part D?

In 2024, Sumbal Nabi, MD had 1,499 Medicare Part D claims for 239 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.

What is Sumbal Nabi, MD's MIPS final score?

The 2023 MIPS final score is 77.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.