NPPES file of Aug 9, 2026

Sowgandhi Nannepaga, M.D

Internal Medicine Physician · Tulsa, OK

Sowgandhi Nannepaga, M.D is an internal medicine physician with a practice address in Tulsa, Oklahoma, and NPI 1508399437, issued on Apr 7, 2017. Check the license (Oklahoma 47140, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508399437
Name
Sowgandhi Nannepaga
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
47140 OK
Self-reported in NPPES; status is on the state search
Practice location
10109 E 79TH St, Tulsa, OK 74133
Phone
(918) 233-9550
Enumerated
Apr 7, 2017
Record last updated
Jul 28, 2026
Fax
(918) 752-0204
Medicare enrollment
Enrolled (PECOS I20231027002029); 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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8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →

Also registered at 10109 E 79TH St

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

  1. Amer Alkhatib, MDGastroenterology Physician1487740296
  2. Ryley Andersen, DPMFoot & Ankle Surgery Podiatrist1528646940
  3. Kylee Arreola, RNRegistered Nurse1437007416
  4. Kathyrn Bandy, MS RD LDOncology Nutrition Registered Dietitian1407475890
  5. Quinton Barrington, PHARM.D., M.B.A.Pharmacotherapy Pharmacist1952390635
  6. Brianna Belden, APRN-CNPNurse Practitioner1952084428

Verify Sowgandhi Nannepaga 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 47140    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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Bills Medicare through 3 group practices

  1. Carolinas Medical CenterCharlotte, NC
  2. Cogent Healthcare OF Texas PALufkin, TX
  3. Laredo ICU LLCLaredo, TX

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

Sowgandhi Nannepaga among 1,115 internal medicine physician records in Oklahoma

Sowgandhi Nannepaga, M.D is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 70% of them.

  • NPI issued2017 · 70% of these records are older, 28% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2009 · median 2007 among the 653 with a school on file
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

307 internal medicine physician records list a practice address in Tulsa

They are 307 of the 18,643 NPPES records with a practice address in Tulsa, and 1,115 internal medicine physician records in Oklahoma.

All 1,115 in Oklahoma → Every provider in Tulsa → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Dan Calhoun, MDTulsa, OK 741331255330528
  2. Stephen Calvert, M.D.Tulsa, OK 741331902875420
  3. John Cook, MDTulsa, OK 741331316905250
  4. Jonelle Dutton-Gaddis, D.O.Tulsa, OK 741331982680757
  5. Catherine Gaffney, DOTulsa, OK 741331831143155
  6. Michael Gebetsberger, MDTulsa, OK 741331851378350
  7. Lisa King, MDTulsa, OK 741331073545885
  8. Renae Mayer, M.D.Tulsa, OK 741331093752503

Common questions

What is Sowgandhi Nannepaga, M.D's NPI number?

Sowgandhi Nannepaga, M.D's National Provider Identifier (NPI) is 1508399437, issued on Apr 7, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Sowgandhi Nannepaga, M.D located?

The NPPES record lists a practice address at 10109 E 79TH St, Tulsa, OK, 74133. Phone: (918) 233-9550. Providers update this record themselves, so call before visiting.

How can I verify Sowgandhi Nannepaga, M.D's license?

NPPES lists Oklahoma license number 47140, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.