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Vascular Surgery

Mary C. Nally, MD

Works at hospitals in Nashville, TN · Tennessee

Summary

Dr. Mary C. Nally, MD is a vascular surgeon at 2004 Hayes St, Suite 350, Nashville, TN 37203. Phone: (615) 312-3333. Accepts Medicare assignment. In 2024, Mary C. Nally had 279 Original Medicare patients and 897 services. NPI 1750645750. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Vascular surgeon (Medicare lists Vascular Surgery)
  • Address: 2004 Hayes St, Suite 350, Nashville, TN 37203 · Directions (1 more location)
  • Phone: (615) 312‑3333
  • Medicare: Accepts Medicare assignment
  • Hospital: Ascension Saint Thomas Hospital
  • Group practice: Tennessee Oncology PLLC
  • Medical school: University Of Oklahoma College Of Medicine · graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary C. Nally, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Mary C. Nally accept Medicare assignment?
Yes. Medicare's clinician data says Mary C. Nally accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Mary C. Nally see?
In 2024, CMS data shows 279 Original Medicare patients and 897 services for Mary C. Nally. This counts Original Medicare only and measures volume, not quality.
What is Mary C. Nally's NPI number?
1750645750. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Mary C. Nally, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients279
Services billed to Medicare897
Different services or procedures90
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)164 services
  2. Ultrasound of both sides of head and neck blood flow (93880)86 services
  3. Ultrasound study of arm and leg arteries (93922)82 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)67 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)53 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease57%
  • Arthritis49%
  • Diabetes46%
  • Chronic kidney disease44%

Hospitals where Mary C. Nally works

Medicare's Facility Affiliation Data lists Mary C. Nally at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Mary C. Nally is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary C. Nally as a member of this group (CMS data updated October 2, 2026).

  • Tennessee Oncology PLLC358 clinicians in the group

Specialties

Find other Vascular Surgery doctors in Tennessee →

Other vascular surgeons in Nashville

Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.

All vascular surgeons in Nashville →

Other clinicians in Tennessee Oncology PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Oklahoma College Of Medicine
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1750645750
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians