Margaret Macgregor, M.D.

Primary specialty

Neurological Surgery PhysicianTaxonomy code 207T00000X

License

55149 Issued in TN

Practice address

3638 Richland Ave
Nashville, TN 37205-2356

Phone

(217) 652-6267

NPI assigned

Sep 29, 2006

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in KY, TN, AL, SC, VA, MI6 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 6

Specialty

Neurology

Education

Other, 1992

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Anmed HealthGroup PAC ID 1951215243, 348 clinicians

Saint Thomas Medical PartnersGroup PAC ID 1557269354, 588 clinicians

Health Care Authority for Baptist Health, an Affiliate of UabhsGroup PAC ID 8426076670, 270 clinicians

McLaren Northern MichiganGroup PAC ID 9931018181, 60 clinicians

Musc Community PhysiciansGroup PAC ID 6507260668, 1,353 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tristar Summit Medical Center Hospital, Hermitage, TN, CCN 440150
• Anmed Health Hospital, Anderson, SC, CCN 420027
• Saint Thomas Rutherford Hospital Hospital, Murfreesboro, TN, CCN 440053
• Baptist Medical Center South Hospital, Montgomery, AL, CCN 010023

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/7654/brand/1/csg/1/fhir/r4
• Direct secure messaging: margaret.macgregor@ahp.eclinicaldirectplus.com
• Direct secure messaging: mmacgregor78886@direct.anmedhealth.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Saint Thomas Medical Partners

  dba Ascension Medical Group Saint Thomas

  • Internal Medicine Physician
  • Nashville, TN
  • NPI 1437194669
  Medicare reassignment Care Compare group NPD
• Anmed Health

  dba AnMed Health Westside Family Medicine

  • Family Medicine Physician
  • Anderson, SC
  • NPI 1639102270
  Medicare reassignment Care Compare group NPD
• Health Care Authority for Baptist Health, an Affiliate of Uabhs

  dba Montgomery Primary Medicine Associates

  • Family Medicine Physician
  • Montgomery, AL
  • NPI 1982653390
  Medicare reassignment Care Compare group NPD
• McLaren Northern Michigan

  • Family Medicine Physician
  • Petoskey, MI
  • NPI 1760736094
  Medicare reassignment Care Compare group NPD
• Musc Community Physicians

  dba MUSC Community Physicians Specialty

  • Internal Medicine Physician
  • Bamberg, SC
  • NPI 1841878006
  Medicare reassignment Care Compare group NPD
• Advanced Diagnostic Imaging, PC

  dba AdvancedHealth

  • Internal Medicine Physician
  • Goodlettsville, TN
  • NPI 1093741464

  KY, Neurological Surgery

  Medicare reassignment NPD
• Houston County Healthcare Authority

  dba Samc-Enterprise Medical Clinic

  • Internal Medicine Physician
  • Enterprise, AL
  • NPI 1619026606
  Medicare reassignment NPD
• McLeod Physician Associates II

  • Family Medicine Physician
  • Florence, SC
  • NPI 1801990494
  Medicare reassignment NPD
• Advanced Diagnostic Imaging PC

  dba Ankle and Foot Centers of Nashville

  • Durable Medical Equipment & Medical Supplies
  • Lewisburg, TN
  • NPI 1922846559
  NPD
• Saint Thomas Medical Partners

  dba Ascension Medical Group Saint Thomas

  • Mobile Mammography Clinic/Center
  • Nashville, TN
  • NPI 1881981033
  NPD
• Anmed Health

  dba AnMed Primary Care - Piedmont

  • Family Medicine Physician
  • Piedmont, SC
  • NPI 1255137832
  NPD
• Anmed Health

  dba AnMed Spine & Neurosurgery

  • Neurological Surgery Physician
  • Anderson, SC
  • NPI 1821488297
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• HCA Health Services of Tennessee, Inc.

  dba Tristar Summit Medical Center

  • General Acute Care Hospital
  • Hermitage, TN
  • NPI 1982650024
  Care Compare affiliation
• Saint Thomas Rutherford Hospital

  dba Ascension Saint Thomas Rutherford

  • General Acute Care Hospital
  • Murfreesboro, TN
  • NPI 1164590386
  Care Compare affiliation
• Anmed Health

  dba AnMed

  • General Acute Care Hospital
  • Anderson, SC
  • NPI 1417919531
  Care Compare affiliation
• Health Care Authority for Baptist Health, an Affiliate of Uabhs

  dba Baptist Medical Center South

  • General Acute Care Hospital
  • Montgomery, AL
  • NPI 1700977105
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1159488000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785196800000",
    "number": "1679665541",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3638 RICHLAND AVE",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372052356",
            "telephone_number": "217-652-6267"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3638 RICHLAND AVE",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372052356",
            "telephone_number": "217-652-6267"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MACGREGOR",
        "first_name": "MARGARET",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-29",
        "last_updated": "2026-07-28",
        "certification_date": "2026-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "TN",
            "license": "55149",
            "primary": true
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "IL",
            "license": "036-089375",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "03689375",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Rachel Mace, MD
• Robin M Mace, LPC-MHSP
• John W Macey Jr., M.D.
• Mallory Maceyak-Beazley
• Ellie Macgregor, DC
• Heather Machado, RD, LDN
• Lance Lorenzo Machado
• Elizabeth Hargroder Machen, M.D.
• Juan Jose Macias Frias, MD
• Nathalie Macias, MSW, LCSW

• Neurological Surgery Physician in Nashville, TN
• Providers in Nashville, TN by specialty
• Neurological Surgery Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.