Sierra R Wallace, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1023386 Issued in MA

Practice address

801 Massachusetts Ave
Crosstown 2
Boston, MA 02118-2605

Phone

(617) 414-7399

Fax

(617) 414-4676

NPI assigned

Mar 29, 2022

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

Specialty

Internal Medicine

Education

Drexel University College of Medicine, 2022

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Boston Medical Center Hospital, Boston, MA, CCN 220031

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: swallace172990@direct.bmc.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.

• Evans Medical Foundation, Inc.

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1912954124
  Medicare reassignment NPD
• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1346218294
  NPD

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

• Boston Medical Center

  • Clinic/Center
  • Dorchester, MA
  • NPI 1487844726

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1164177028
  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • South Boston, MA
  • NPI 1225228679

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1346218294
  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • Roslindale, MA
  • NPI 1386718823

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • Dorchester, MA
  • NPI 1780874677

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • East Boston, MA
  • NPI 1861683518

  Hospital

  Care Compare affiliation
• Medical Associates of Ebnhc

  • Community Health Clinic/Center
  • East Boston, MA
  • NPI 1255451597

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1648512000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761004800000",
    "number": "1134869340",
    "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",
            "telephone_number": "617-414-7399",
            "fax_number": "617-414-4676"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 MASSACHUSETTS AVE",
            "address_2": "CROSSTOWN 2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182605",
            "telephone_number": "617-414-7399",
            "fax_number": "617-414-4676"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALLACE",
        "first_name": "SIERRA",
        "middle_name": "R",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-29",
        "last_updated": "2025-10-21",
        "certification_date": "2025-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1023386",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kevin Wallace
• Madison Wallace
• Nicole Wallace
• Ryan Lee Wallace, MD
• Sharon Wallace
• Suzi Ann Wallace, BS PHARMACY
• Timothy R Wallace, PHD
• William Wallace
• Zachary S Wallace, M.D.
• Karen Wallach, D.M.D.

• 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 Oct 21, 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.
• 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.