Thomas Alan Barklow, M.D.
Anatomic Pathology & Clinical Pathology Physician · Johnson City, TN
Thomas Alan 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.
- Name
- Thomas Alan 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
- Record last updated
- Apr 29, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20221129000335); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 475 in Tennessee → Look up another NPI →
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.
- Amani Al Housseiny, MDStudent in an Organized Health Care Education/Training Program1407616675
- Rennie Atkins, DPHPharmacist1730449588
- Oluwatosin Ayanjoke, MDFamily Medicine Physician1053098566
- Brittany Bailey, RN, SRNAStudent in an Organized Health Care Education/Training Program1285500249
- Michael Baines, PA-CPhysician Assistant1538423322
- Vanessa Bare, APNFamily Nurse Practitioner1750055448
Verify Thomas Alan Barklow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 45851Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Watauga Pathology Associates PCAbingdon, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Alan Barklow among 475 anatomic pathology & clinical pathology physician records in Tennessee
Thomas Alan Barklow, M.D. is one of 475 anatomic pathology & clinical pathology physician records with a practice address in Tennessee. 63% 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 53% of them.
- NPI issued2007 · 53% of these records are older, 35% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2003 · median 2004 among the 259 with a school on file
- Record last updated2010 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Tennessee
There are 475 anatomic pathology & clinical pathology physician records in Tennessee.
All 475 in Tennessee → Every provider in Johnson City → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Sandra Brooks, MDJohnson City, TN 376041801861414
- Patrick Costello, MDJohnson City, TN 376041710952320
- Elena Gertsen, M.D., PH.D.Johnson City, TN 376041881858876
- John King, MDJohnson City, TN 376041396710505
- Theresa Lura, M.D.Johnson City, TN 376041356336242
- Emily Patterson, MDJohnson City, TN 376041043506108
- Julie Robertson, MDJohnson City, TN 376041356316962
- David Sibley, M.D,Johnson City, TN 376041871568121
Common questions
What is Thomas Alan Barklow, M.D.'s NPI number?
Thomas Alan 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 Alan 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 Alan 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 Alan Barklow, M.D.'s MIPS final 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), 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.