Sarah Krantz, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

1016665 Issued in MA

Practice address

850 Harrison Avenue, FL 4
Yawkey BLDG
Boston, MA 02118

Phone

(617) 414-2000

Fax

(617) 414-5798

NPI assigned

May 29, 2014

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in ME, NH, MA3 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 3

Specialty

Obstetrics/Gynecology

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Heywood Medical Group Inc.Group PAC ID 6901882836, 111 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Heywood Hospital - Hospital, Gardner, MA, CCN 220095

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: skrantz239545@direct.bmc.masshiway.net
• Direct secure messaging: sarah.krantz.1@192.direct.athenahealth.com

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.

• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • Roslindale, MA
  • NPI 1386718823
  Medicare reassignment NPD
• Boston University Obstetrics and Gynecology Foundation, Inc.

  • Obstetrics & Gynecology Physician
  • Boston, MA
  • NPI 1063459568
  Medicare reassignment NPD
• Catholic Medical Center

  • General Acute Care Hospital
  • Manchester, NH
  • NPI 1427154335
  Medicare reassignment NPD
• Dartmouth-Hitchcock Clinic

  • Internal Medicine Physician
  • Lebanon, NH
  • NPI 1548210198

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1023092053
  Medicare reassignment NPD
• Memorial Hospital

  • Critical Access Hospital
  • North Conway, NH
  • NPI 1700864709
  Medicare reassignment NPD
• York Hospital

  • General Acute Care Hospital
  • York, ME
  • NPI 1376528398

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Heywood Medical Group Inc.

  • General Practice Physician
  • Gardner, MA
  • NPI 1699762286

  Obstetrics & Gynecology

  Care Compare group NPD (past)
• Boston Medical Center Corporation

  • Home Infusion Therapy Pharmacy
  • Randolph, MA
  • NPI 1003703281
  NPD
• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1346218294
  NPD
• Catholic Medical Center

  • Anesthesiology Physician
  • Manchester, NH
  • NPI 1003692112
  NPD
• Mary Hitchcock Memorial Hospital

  • Psychiatric Hospital
  • Hampstead, NH
  • NPI 1699584219
  NPD

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

• Henry Heywood Memorial Hospital

  • General Acute Care Hospital
  • Gardner, MA
  • NPI 1205823879
  Care Compare affiliation
• Heywood Medical Group Inc.

  • General Practice Physician
  • Gardner, MA
  • NPI 1699762286

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1401321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782086400000",
    "number": "1164834875",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "960 MASSACHUSETTS AVE",
            "address_2": "FL 2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182806",
            "telephone_number": "617-414-5404"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "850 HARRISON AVENUE, FL 4",
            "address_2": "YAWKEY BLDG",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02118",
            "telephone_number": "617-414-2000",
            "fax_number": "617-414-5798"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5 Washington Pl",
            "address_purpose": "LOCATION",
            "city": "Bedford",
            "state": "NH",
            "postal_code": "031106736",
            "country_code": "US",
            "telephone_number": "603-695-2500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "46 Fairview Ave Ste 229",
            "address_purpose": "LOCATION",
            "city": "Skowhegan",
            "state": "ME",
            "postal_code": "049761481",
            "country_code": "US",
            "telephone_number": "207-474-7131",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KRANTZ",
        "first_name": "SARAH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-05-29",
        "last_updated": "2026-06-22",
        "certification_date": "2026-06-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MA",
            "license": "1016665",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "ME",
            "license": "MD24148",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "NH",
            "license": "207V00000X",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Josie A Kramer, RN
• Maryjo Kramer, MD
• Megan Kramer, FNP-C
• Rebecca Kramer, PHD
• Jessica Krane, MS,RD
• Marya Krasik
• Margaret Krasne
• Carolyn Nancy Krasner, MD
• Helen Leah Krasnow, NP
• David William Krass, DMD

• Obstetrics & Gynecology Physician in Boston, MA
• Providers in Boston, 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 Jun 22, 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.