Blair Elizabeth Brown, DO
Internal Medicine Physician · Tahlequah, OK
Blair Elizabeth Brown, DO is an internal medicine physician with a practice address in Tahlequah, Oklahoma, and NPI 1407421027, issued on May 25, 2021. Check the license (Oklahoma 7674, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Blair Elizabeth Brown
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 7674 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1400 E Downing St, Tahlequah, OK 74464
- Phone
- (918) 456-0641
- Enumerated
- May 25, 2021
- Record last updated
- Sep 24, 2024
- Medicare enrollment
- Enrolled (PECOS I20240930000583); accepts Medicare assignment
- Medical or professional school
- Oklahoma State University College Of Osteopathic Medicine, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Also registered at 1400 E Downing St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Blair Elizabeth Brown 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 7674Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
395 Medicare Part D claims for 82 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium14 claims
- Tamsulosin Hcl14 claims
- Amlodipine Besylate11 claims
- Lisinopril11 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
- Mercy Clinic Oklahoma CommunitiesAda, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Blair Elizabeth Brown among 1,115 internal medicine physician records in Oklahoma
Blair Elizabeth Brown, DO 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 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 11% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2021 · median 2007 among the 653 with a school on file
- Record last updated2024 · 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).
24 internal medicine physician records list a practice address in Tahlequah
They are 24 of the 1,190 NPPES records with a practice address in Tahlequah, and 1,115 internal medicine physician records in Oklahoma.
All 1,115 in Oklahoma → Every provider in Tahlequah → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Muneeza Afif, MDTahlequah, OK 744641740544428
- Natasha Bray, D.O.Tahlequah, OK 744641285840660
- Sheri Christian-Armstrong, DOTahlequah, OK 744641679996706
- Prashant Kaushik, MDTahlequah, OK 744641073615324
- Nancy Lamoreux, M.D.Tahlequah, OK 744641326029018
- Herbert Littleton, DOTahlequah, OK 744641376588145
- Kelly Marak, D.O., M.S.Tahlequah, OK 744641316174675
- Elaine Quintana, M.D.Tahlequah, OK 744641689758393
Common questions
What is Blair Elizabeth Brown, DO's NPI number?
Blair Elizabeth Brown, DO's National Provider Identifier (NPI) is 1407421027, issued on May 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Blair Elizabeth Brown, DO located?
The NPPES record lists a practice address at 1400 E Downing St, Tahlequah, OK, 74464. Phone: (918) 456-0641. Providers update this record themselves, so call before visiting.
How can I verify Blair Elizabeth Brown, DO's license?
NPPES lists Oklahoma license number 7674, 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 Blair Elizabeth Brown, DO prescribe under Medicare Part D?
In 2024, Blair Elizabeth Brown, DO had 395 Medicare Part D claims for 82 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.