Registry data as of Aug 27, 2026

Thomas Barklow, M.D.

Anatomic Pathology & Clinical Pathology Physician · Johnson City, TN

Thomas Barklow, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Johnson City, Tennessee, and NPI 1922292580, issued on Aug 28, 2007. Check the license (Tennessee 45851, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1922292580
Name
Thomas Barklow
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
45851 TN
Self-reported in NPPES; status is on the state search
Practice location
400 N State OF Franklin RD, Johnson City, TN 37604
Phone
(423) 431-1310
Enumerated
Aug 28, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 400 N State OF Franklin RD

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

  1. Amani Al Housseiny, MDStudent in an Organized Health Care Education/Training Program1407616675
  2. Rennie Atkins, DPHPharmacist1730449588
  3. Oluwatosin Ayanjoke, MDFamily Medicine Physician1053098566
  4. Brittany Bailey, RN, SRNAStudent in an Organized Health Care Education/Training Program1285500249
  5. Michael Baines, PA-CPhysician Assistant1538423322
  6. Vanessa Bare, APNFamily Nurse Practitioner1750055448

Verify Thomas Barklow in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 45851
    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 Tennessee 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.

The practice group's Medicare quality score for 2023: 90 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.0
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Watauga Pathology Associates PCAbingdon, VA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Anatomic Pathology & Clinical Pathology Physician providers in Tennessee

There are 380 anatomic pathology & clinical pathology physician records in Tennessee.

Other anatomic pathology & clinical pathology physician records in Tennessee

  1. Ty Abel, MDNashville, TN1720175854
  2. Gary Adelson, M.D.Kingsport, TN1184600090
  3. Justin Adler, MDMemphis, TN1427024397
  4. Kristan Ahler, MDCrossville, TN1265401483
  5. Mark Alberhasky, M.D.Brentwood, TN1831287184
  6. Mary-Margaret Allen, MDNashville, TN1699118257
  7. Michael Allen, M.D.Nashville, TN1942568936
  8. Stephanie Allen-Winters, MDMemphis, TN1558935726
  9. Evan Alston, M.D.Murfreesboro, TN1023336872
  10. Bijan Amirghassemi, MDBrentwood, TN1417166828

Common questions

What is Thomas Barklow, M.D.'s NPI number?

Thomas Barklow, M.D.'s National Provider Identifier (NPI) is 1922292580, issued on Aug 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Barklow, M.D. located?

The NPPES record lists a practice address at 400 N State OF Franklin RD, Johnson City, TN, 37604. Phone: (423) 431-1310. Providers update this record themselves, so call before visiting.

How can I verify Thomas Barklow, M.D.'s license?

NPPES lists Tennessee license number 45851, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Thomas Barklow, M.D.'s Medicare quality score?

The 2023 MIPS final score is 90 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.