Mollie G. Warren, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

287409 Issued in MA

Practice address

75 Francis St # 4
Boston, MA 02115-6110

Phone

(617) 525-4120

NPI assigned

Apr 28, 2013

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: warren.mollie.bwh@direct.partners.masshiway.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.

• Brigham & Womens Physicians Organization Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1033535497

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Brigham and Women'S Hospital

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1093885816
  NPD
• Brigham & Womens Hospital, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1790717650
  NPD (past)

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

{
    "created_epoch": "1367107200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782172800000",
    "number": "1417391863",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18 GIBBS ST APT 2",
            "city": "BROOKLINE",
            "state": "MA",
            "postal_code": "024466032",
            "telephone_number": "508-733-7270"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST # 4",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156110",
            "telephone_number": "617-525-4120"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142621",
            "country_code": "US",
            "telephone_number": "617-726-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WARREN",
        "first_name": "MOLLIE",
        "middle_name": "G.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-04-28",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NH",
            "license": "33576",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "ME",
            "license": "MD25493",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "287409",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "RI",
            "license": "MD18850",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katherine Elizabeth Warren, M.D.
• Laura Warren, MD
• Lisa Warren, MD
• Matthew Warren, LMHC
• Michael Harris Warren
• Monica Warren
• Timarra Marie Warren, PMHNP-DNP
• Christine Marie Warrick, M.D.
• Mark Edward Warshauer
• Anton Warshavsky, MD

• Pediatrics Physician in Boston, MA
• Providers in Boston, MA by specialty
• Pediatrics Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.