NPPES file of Aug 9, 2026

Blake Justin Lesselroth, MD, MBI

Internal Medicine Physician · Tulsa, OK

Blake Justin Lesselroth, MD, MBI is an internal medicine physician with a practice address in Tulsa, Oklahoma, and NPI 1801997390, issued on Sep 26, 2006. Check the license (Oklahoma 34337, 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
1801997390
Name
Blake Justin Lesselroth
Credential
MD, MBI
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
34337 OK
MD24554 OR
Self-reported in NPPES; status is on the state search
Practice location
4502 E 41St St, Tulsa, OK 74135
Phone
(918) 660-3596
Enumerated
Sep 26, 2006
Record last updated
Dec 14, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190204000545); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 2000
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 Blake Justin Lesselroth 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 34337
    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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

30 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Blake Lesselroth30
  2. Specialty average3,176

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. Board OF Regents OF The University OF Oklahoma OU Physicians TulsaTulsa, OK

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

Blake Justin Lesselroth among 1,115 internal medicine physician records in Oklahoma

Blake Justin Lesselroth, MD, MBI 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 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 57% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2000 · median 2007 among the 653 with a school on file
  • Record last updated2018 · 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. David Gilbert, M.D.Tulsa, OK 741351225176779
  5. Robert Harris, M.D,Tulsa, OK 741351528061652
  6. Thomas Hoskison, MDTulsa, OK 741351598735953
  7. Martina Jelley, MDTulsa, OK 741351427028885
  8. David Kendrick, MD MPHTulsa, OK 741351952382798

Common questions

What is Blake Justin Lesselroth, MD, MBI's NPI number?

Blake Justin Lesselroth, MD, MBI's National Provider Identifier (NPI) is 1801997390, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Blake Justin Lesselroth, MD, MBI located?

The NPPES record lists a practice address at 4502 E 41St St, Tulsa, OK, 74135. Phone: (918) 660-3596. Providers update this record themselves, so call before visiting.

How can I verify Blake Justin Lesselroth, MD, MBI's license?

NPPES lists Oklahoma license number 34337, 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 Blake Justin Lesselroth, MD, MBI prescribe under Medicare Part D?

In 2024, Blake Justin Lesselroth, MD, MBI had 30 Medicare Part D claims; 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.