Doctor profile · Federal record

Dr. Mary-Margaret Allen, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Nashville, TN

  • NPI 1699118257
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2000 Church St
Nashville, TN 372365848
(615) 284-7950
fax (615) 284-5750
Mailing address
2004 Hayes St # Ll30
Nashville, TN 372032646

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
September 22, 2025
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Florida #ME130875

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699118257. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,884
Distinct HCPCS
10
Medicare allowed
$66,584
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 402 228 $43
88341 Special stained specimen slides to examine tissue, each additional procedure 378 70 $27
88313 Special stained specimen slides to examine tissue including interpretation and report 288 44 $11
88342 Special stained specimen slides to examine tissue, initial procedure 123 92 $35
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers 109 96 $77
88311 Preparation of tissue for examination by removing any calcium present 83 74 $12
88307 Pathology examination of tissue using a microscope, moderately high complexity 60 42 $78
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers 51 48 $56
88304 Pathology examination of tissue using a microscope, moderately low complexity 49 45 $13
85060 Blood smear interpretation by physician with written report 47 42 $22

In context: peer comparison

Among 41 peers in this city , average services per provider: 725. This provider delivers 2.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary-Margaret Allen's medical specialty?
Dr. Mary-Margaret Allen practices Anatomic Pathology & Clinical Pathology Physician in Nashville, TN.
Where does Dr. Mary-Margaret Allen practice?
Dr. Mary-Margaret Allen practices at 2000 Church St, Nashville, TN 372365848. Office phone: 6152847950.
What is Dr. Mary-Margaret Allen's NPI?
Dr. Mary-Margaret Allen's National Provider Identifier (NPI) is 1699118257, issued by NPPES.
Does Dr. Mary-Margaret Allen accept Medicare assignment?
Yes. Dr. Mary-Margaret Allen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary-Margaret Allen commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313). Source: CMS Medicare Physician & Other Practitioners file.