NPPES file of Aug 9, 2026

Mary-Margaret Langston Allen, MD

Anatomic Pathology & Clinical Pathology Physician · Nashville, TN

Mary-Margaret Langston Allen, MD is an anatomic pathology & clinical pathology physician with a practice address in Nashville, Tennessee, and NPI 1699118257, issued on Apr 14, 2013. Check the license on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699118257
Name
Mary-Margaret Langston Allen
Credential
MD
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
ME130875 FL
Self-reported in NPPES; status is on the state search
Practice location
2000 Church St, Nashville, TN 37236
Phone
(615) 284-7950
Enumerated
Apr 14, 2013
Record last updated
Sep 22, 2025
Fax
(615) 284-5750
Medicare enrollment
Enrolled (PECOS I20200413002826); accepts Medicare assignment
Medical or professional school
Florida State University College Of Medicine, 2013
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.
Download card Updates feed

Also registered at 2000 Church St

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

  1. Michael Allen, M.D.Hematology (Pathology) Physician1942568936
  2. Heather Andrews, MDHospitalist Physician1811991680
  3. Lauren AvrittCertified Registered Nurse Anesthetist1639864309
  4. Oran Basel, M.DInternal Medicine Physician1497175632
  5. Patricia Belcher, CSASurgical Technologist1972621852
  6. Levi Benson, M.D.Hospitalist Physician1053638148

Verify Mary-Margaret Langston Allen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical ExaminersCheck 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 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 score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Bills Medicare through one group practice

  1. Acla PCNashville, TN

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

Mary-Margaret Langston Allen among 475 anatomic pathology & clinical pathology physician records in Tennessee

Mary-Margaret Langston Allen, MD 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 2013, is newer than 81% of them.

  • NPI issued2013 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2013 · median 2004 among the 259 with a school on file
  • Record last updated2025 · 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.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Raymond Bluth, MDNashville, TN 372361245393545
  2. Michael Bottomy, MDNashville, TN 372361184787574
  3. Barrett Brantley, MDNashville, TN 372361326101619
  4. Tenisha HinnersNashville, TN 372361306290929
  5. Adam Jimenez, MDNashville, TN 372361407434566
  6. Michael Lomis, MDNashville, TN 372361649333931
  7. James Mixon, MDNashville, TN 372361104989581
  8. Silvia Potenziani Pradella, M.D.Nashville, TN 372361982903753

Common questions

What is Mary-Margaret Langston Allen, MD's NPI number?

Mary-Margaret Langston Allen, MD's National Provider Identifier (NPI) is 1699118257, issued on Apr 14, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Mary-Margaret Langston Allen, MD located?

The NPPES record lists a practice address at 2000 Church St, Nashville, TN, 37236. Phone: (615) 284-7950. Providers update this record themselves, so call before visiting.

How can I verify Mary-Margaret Langston Allen, MD's license?

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 Mary-Margaret Langston Allen, MD's MIPS final score?

The 2023 MIPS final score is 100 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.