DR. BLAIR ELIZABETH BROWN DO
NPI 1407421027
Internal Medicine in Tahlequah, OK
About Dr. Blair Elizabeth Brown Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BLAIR ELIZABETH BROWN DO (NPI 1407421027) is an individual internal medicine provider in Tahlequah, Oklahoma, licensed in Oklahoma (7674) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Ardmore, Inc, and maintains a secondary practice location in Ardmore.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Blair Elizabeth Brown Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Blair Brown reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oklahoma City, OK 73120
- Reassigned Medicare billing, Oklahoma enrollment
- 975 clinicians in this Medicare group
Tishomingo, OK 73460
- Reassigned Medicare billing, Oklahoma enrollment
- 55 clinicians in this Medicare group
Healdton, OK 73438
- Reassigned Medicare billing, Oklahoma enrollment
- 37 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Ardmore, Inc
Acute Care Hospitals · Ardmore, OKMercy Hospital Tishomingo Inc
Critical Access Hospitals · Tishomingo, OKMercy Hospital Healdton, Inc.
Critical Access Hospitals · Healdton, OKArbuckle Memorial Hospital
Critical Access Hospitals · Sulphur, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74464 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TAHLEQUAH, OK 74464
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Blair Brown's NPI number?
The NPI number for Blair Brown is 1407421027. It was assigned to this individual provider in the NPPES registry on May 25, 2021.
Where is Blair Brown located?
Blair Brown practices at 1400 E Downing St, Tahlequah, OK 74464. The listed phone number is (918) 456-0641.
What is Blair Brown's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Blair Brown enrolled in Medicare?
Yes. Blair Brown is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Blair Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Blair Brown reassigns Medicare benefits to 3 organizations: Mercy Clinic Oklahoma Communities (Oklahoma City, OK), Mercy Hospital Tishomingo, Inc. (Tishomingo, OK) and Mercy Hospital Healdton, Inc. (Healdton, OK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Blair Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Blair Brown accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list Blair Brown as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Blair Brown affiliated with any hospitals?
According to CMS data, Blair Brown is affiliated with Mercy Hospital Ardmore, Inc, Mercy Hospital Tishomingo Inc, Mercy Hospital Healdton, Inc. and Arbuckle Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Blair Brown was last updated on September 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Blair Elizabeth Brown, DO · NPI 1407421027
Internal Medicine physician in Tahlequah, Oklahoma. Individual provider, active in the CMS NPPES registry since May 25, 2021.
## Identity
- **NPI:** 1407421027 (Entity type: Individual)
- **Enumerated:** May 25, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 7674 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 E DOWNING ST, Tahlequah, OK 74464-3324
- **Phone:** (918) 456-0641
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic Oklahoma Communities (NPI 1386874550, Oklahoma City, OK); Mercy Hospital Tishomingo, Inc. (NPI 1932404431, Tishomingo, OK); Mercy Hospital Healdton, Inc. (NPI 1437467388, Healdton, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oklahoma State University College Of Osteopathic Medicine, class of 2021
## Record status
- **NPPES last updated:** September 24, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1407421027) · Data from the CMS NPPES public registry.