NPPES file of Aug 9, 2026

David Nelson Gilbert, M.D.

Internal Medicine Physician · Tulsa, OK

David Nelson Gilbert, M.D. is an internal medicine physician with a practice address in Tulsa, Oklahoma, and NPI 1225176779, issued on Feb 4, 2007. Check the license (Oklahoma 24621, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225176779
Name
David Nelson Gilbert
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
24621 OK
Self-reported in NPPES; status is on the state search
Practice location
4502 E 41St St, Tulsa, OK 74135
Phone
(800) 435-9845
Enumerated
Feb 4, 2007
Record last updated
Apr 21, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080714000036); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 2005
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 4502 E 41St St

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

  1. Jennifer AbercrombieCase Manager/Care Coordinator1215741889
  2. Ashwin AdiviStudent in an Organized Health Care Education/Training Program1942950399
  3. Noor Ahmed, DOEmergency Medicine Physician1679102446
  4. Akhilesh Alexander, DOStudent in an Organized Health Care Education/Training Program1700626405
  5. Qaidar AlizaiStudent in an Organized Health Care Education/Training Program1306787122
  6. Shantana Allen, LPCClinical Social Worker1942625165

Verify David Nelson Gilbert 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 24621
    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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86% fewer Medicare Part D claims than the average internal medicine physician in 2024

452 Medicare Part D claims for 183 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 37 claims were for opioids.

  1. David Gilbert452
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium27 claims
  2. Oxycodone Hcl19 claims
  3. Amoxicillin-Clavulanate Potass17 claims
  4. Furosemide17 claims
  5. Metoprolol Tartrate16 claims
  6. Amlodipine Besylate15 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.

Bills Medicare through one group practice

  1. Usacs Observation Medicine Services OF Oklahoma, LLCTulsa, OK

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

David Nelson Gilbert among 1,115 internal medicine physician records in Oklahoma

David Nelson Gilbert, 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 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 50% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2005 · median 2007 among the 653 with a school on file
  • Record last updated2015 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Pallavi Agarwal, M.D.Tulsa, OK 741351831249812
  2. Vishal Aggarwal, MDTulsa, OK 741351295705663
  3. Diana Chen, MDTulsa, OK 741351518919091
  4. Robert Harris, M.D,Tulsa, OK 741351528061652
  5. Thomas Hoskison, MDTulsa, OK 741351598735953
  6. Martina Jelley, MDTulsa, OK 741351427028885
  7. David Kendrick, MD MPHTulsa, OK 741351952382798
  8. Connie Lane, MDTulsa, OK 741351457454043

Common questions

What is David Nelson Gilbert, M.D.'s NPI number?

David Nelson Gilbert, M.D.'s National Provider Identifier (NPI) is 1225176779, issued on Feb 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David Nelson Gilbert, M.D. located?

The NPPES record lists a practice address at 4502 E 41St St, Tulsa, OK, 74135. Phone: (800) 435-9845. Providers update this record themselves, so call before visiting.

How can I verify David Nelson Gilbert, M.D.'s license?

NPPES lists Oklahoma license number 24621, 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 David Nelson Gilbert, M.D. prescribe under Medicare Part D?

In 2024, David Nelson Gilbert, M.D. had 452 Medicare Part D claims for 183 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.