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MARGARET E GALLAGHER M.D.
NPI 1205120334
Surgery - Pediatric Surgery in Nashville, TN

Active since June 07, 2011PECOS Enrolled
3601 THE VANDERBILT CLINIC, NASHVILLE, TN 37232(615) 936-2000 Get Directions Write a Review

NPPES record last updated: October 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 25, 2024, May 13, 2024, Nov 17, 2022 and 5 more (8 updates tracked since 2017).

About Margaret E Gallagher M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET E GALLAGHER M.D. (NPI 1205120334) is an individual pediatric surgery provider in Nashville, Tennessee, licensed in Tennessee (65821) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1205120334
Entity TypeIndividualFemale
Primary Taxonomy2086S0120X
Provider Legal NameMARGARET E GALLAGHERCredential: M.D.
Location Address3601 THE VANDERBILT CLINICNashville, TN 37232-4504
Mailing Address3841 Green Hills Village DrNashville, TN 37215-2691
Phone(615) 936-2000
Sole ProprietorYes
Enumeration DateJune 7, 2011
Last NPPES UpdateOctober 23, 20258 updates tracked since enumeration
NPPES CertifiedOctober 23, 2025
✔ NPI 1205120334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Pediatric SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0120X
Licenses✔ Licensed in TN · 65821✔ Licensed in WI · 76528✔ Licensed in TX · S2778
Definition
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
Also ListedSurgeryTaxonomy 208600000X · License S2778 (TX)
3601 THE VANDERBILT CLINIC, Nashville, TN 37232
Open in Google Maps ↗

Other Names 1

Former Name (1)Margaret E Clark Md

Secondary Practice Locations 2

Location 1650 Joel DrFort Campbell, KY 42223-5318 · Phone (270) 798-8400
Location 21000 N Oak AvenueMarshfield, WI 54449-5703 · Phone (715) 387-5511

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Anthem Blue Cross and Blue Shield, BlueCross BlueShield of Tennessee and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret E Gallagher M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Margaret Gallagher reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Vanderbilt University Medical Center
0.1 mi
Internal Medicine
1301 22ND AVE S
Nashville, TN 37232
  • Reassigned Medicare billing, Tennessee enrollment
  • 4,711 clinicians in this Medicare group
NPI 1104202761 (615) 936-2000
Mchs Hospitals Inc
590 mi
Clinic/Center
440 24TH ST S
Wisconsin Rapids, WI 54494
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,476 clinicians in this Medicare group
NPI 1568188589 (715) 751-6200
Marshfield Clinic Inc
614 mi
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,540 clinicians in this Medicare group
NPI 1952347981 (715) 387-5511
Magella Medical Associates Billing, Inc.
740 mi
Neonatal-Perinatal Medicine
2400 ROUND ROCK AVE
Round Rock, TX 78681
  • Reassigned Medicare billing, Texas enrollment
  • 432 clinicians in this Medicare group
NPI 1083631071 (512) 341-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ENGLISH FLACK MD
Pediatrics (Pediatric Cardiology)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
DANIEL K BARRETT APRN
Nurse Practitioner (Acute Care)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
JACQUELYN L. GARNER PNP
Nurse Practitioner (Pediatrics)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
DR. ROBERT JAMES LENTZ M.D.
Internal Medicine (Pulmonary Disease)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
LYNN HOLLIDAY M.D.
Family Medicine
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
DR. HEATHER KRETH PSY.D
Psychologist (Clinical Child & Adolescent)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 936-2000
AARON WESLEY SCOTT APN
Nurse Practitioner
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 936-2000
DR. COLLEEN M KIERNAN M.D.
Surgery (Surgical Oncology)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Gallagher's NPI number?

The NPI number for Margaret Gallagher is 1205120334. It was assigned to this individual provider in the NPPES registry on June 7, 2011. The provider is also known as Margaret E Clark MD.

Where is Margaret Gallagher located?

Margaret Gallagher practices at 3601 The Vanderbilt Clinic, Nashville, TN 37232. The listed phone number is (615) 936-2000.

What is Margaret Gallagher's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Is Margaret Gallagher enrolled in Medicare?

Yes. Margaret Gallagher is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Margaret Gallagher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Gallagher reassigns Medicare benefits to 4 organizations: Vanderbilt University Medical Center (Nashville, TN), Mchs Hospitals Inc (Wisconsin Rapids, WI), Marshfield Clinic Inc (Marshfield, WI) and Magella Medical Associates Billing, Inc. (Round Rock, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Margaret Gallagher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Gallagher accept?

Health plans from Alliant Health Plans, Inc., Anthem Blue Cross and Blue Shield, BlueCross BlueShield of Tennessee, Cigna Healthcare and HealthPartners and 3 other insurers list Margaret Gallagher as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Margaret Gallagher was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.