Margaret Strebel Nemetz, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

1020346 Issued in MA

Practice address

330 Mount Auburn St
Cambridge, MA 02138-5502

Phone

(617) 499-5151

Fax

(617) 499-5179

NPI assigned

Apr 9, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MA

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 1

Specialty

Obstetrics/Gynecology

Education

Michigan State University College of Human Medicine, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mount Auburn Professional Services IncGroup PAC ID 6103725031, 229 clinicians

Essex County OBGYN Assoc IncGroup PAC ID 6204829062, 26 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mount Auburn Hospital Hospital, Cambridge, MA, CCN 220002
• Northeast Hospital Corporation Hospital, Beverly, MA, CCN 220033

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/86/brand/1/csg/1/fhir/r4

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.

• Essex County OBGYN Assoc Inc

  • Obstetrics & Gynecology Physician
  • Beverly, MA
  • NPI 1538275870
  Medicare reassignment Care Compare group NPD
• Mount Auburn Professional Services Inc

  • Internal Medicine Physician
  • Cambridge, MA
  • NPI 1992750996

  Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• Beth Israel Lahey Health Specialty Care, Inc.

  • Internal Medicine Physician
  • Gloucester, MA
  • NPI 1235147760
  Medicare reassignment NPD
• Beth Israel Lahey Health Specialty Care, Inc.

  • Urology Physician
  • Burlington, MA
  • NPI 1427161660
  NPD
• Mt Auburn Professional Services

  • Internal Medicine Physician
  • Cambridge, MA
  • NPI 1013375203

  Obstetrics & Gynecology

  NPD
• Northeast Hospital Corporation

  • General Acute Care Hospital
  • Beverly, MA
  • NPI 1316917941
  NPD (past)

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

• Mount Auburn Hospital

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1689670259
  Care Compare affiliation
• Northeast Hospital Corporation

  • General Acute Care Hospital
  • Beverly, MA
  • NPI 1316917941
  Care Compare affiliation
• Northeast Hospital Corporation

  • Psychiatric Hospital Unit
  • Beverly, MA
  • NPI 1407827710
  Care Compare affiliation

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

{
    "created_epoch": "1586390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778630400000",
    "number": "1568081776",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 MOUNT AUBURN ST",
            "address_2": "PARSONS 2",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021385597",
            "telephone_number": "617-499-5151",
            "fax_number": "617-499-5179"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 MOUNT AUBURN ST",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021385502",
            "telephone_number": "617-499-5151",
            "fax_number": "617-499-5179"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NEMETZ",
        "first_name": "MARGARET",
        "middle_name": "STREBEL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-09",
        "last_updated": "2026-05-13",
        "certification_date": "2026-05-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MA",
            "license": "1020346",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110217516A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Mary Bridget Nelligan, R.N.
• Nelson and Hertzberg Orthodontics of Cambridge LLC
• Carl B Nelson, M.D.
• Erika Bridget Nelson, RN
• Jennifer Robin Nelson, CNM
• Meghan E Nestor, PA-C
• Katrin Neubacher
• Neurology & Rehabilitation, PC
• Jo Ann Neusner, LICSW
• Jennifer M Neuwalder, M.D.

• Obstetrics & Gynecology Physician in Cambridge, MA
• Providers in Cambridge, MA by specialty
• Obstetrics & Gynecology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 13, 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.