Paul Barsam, M.D.

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

29780 Issued in MA

Practice address

725 Concord Ave
Cambridge, MA 02138-1040

Phone

(617) 864-8822

Fax

(617) 864-9966

NPI assigned

Feb 28, 2006

Sex

Male

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Mount Auburn Professional Services Inc

  • Internal Medicine Physician
  • Cambridge, MA
  • NPI 1992750996
  NPD (past)
• Mt Auburn Professional Services

  • Internal Medicine Physician
  • Cambridge, MA
  • NPI 1013375203

  Ophthalmology

  NPD (past)

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

{
    "created_epoch": "1141084800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1245206176",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "170 RUTLEDGE RD",
            "city": "BELMONT",
            "state": "MA",
            "postal_code": "024782634",
            "telephone_number": "617-484-4322",
            "fax_number": "617-547-5367"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "725 CONCORD AVE",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021381040",
            "telephone_number": "617-864-8822",
            "fax_number": "617-864-9966"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BARSAM",
        "first_name": "PAUL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-28",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MA",
            "license": "29780",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John Barron, MS, CRC
• Lourdes Barros
• Corey Elizabeth Barry, PA
• Charles A. Barsam, M.D.
• Margaret Rose Barsam, M.D.
• Jeanne M Bartel, A.N.P.
• Patricia Bartels, APRN,BC
• Stella Barth
• Melissa C Bartick, M.D.
• Frederick F. Bartlett, MD

• Ophthalmology Physician in Cambridge, MA
• Providers in Cambridge, MA by specialty
• Ophthalmology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.