Maria Eugenia Mesalles Ramirez, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1020629 Issued in MA

Practice address

801 Massachusetts Ave
Suite 5B Crosstown Building
Boston, MA 02118-2605

Phone

(617) 414-5951

Fax

(617) 414-9201

NPI assigned

Sep 22, 2021

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

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

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

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1346218294
  NPD (past)

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

{
    "created_epoch": "1632268800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740960000000",
    "number": "1134890882",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "960 MASSACHUSETTS AVE STE 2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182690"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 MASSACHUSETTS AVE",
            "address_2": "SUITE 5B CROSSTOWN BUILDING",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182605",
            "telephone_number": "617-414-5951",
            "fax_number": "617-414-9201"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MESALLES RAMIREZ",
        "first_name": "MARIA",
        "middle_name": "EUGENIA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-09-22",
        "last_updated": "2025-03-03",
        "certification_date": "2025-03-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1020629",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lauren Carthy Merville, B.S., BSN, RN
• Joshua Seth Mervis, MD
• Rachel Anne Mervyn, LICSW
• Carol Merz
• Christina Mesa, LICSW
• Christina Marie Mesbah
• Margaret Meserve
• Nathan Mebrahtu Mesfin, M.D.
• Ryan Sameen Meshkin, MD
• Raquelle Mesholam-Gately

• Internal Medicine Physician in Boston, MA
• Providers in Boston, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 3, 2025; 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.