Mark P. Wu, M.D.

Primary specialty

Vascular Surgery PhysicianTaxonomy code 2086S0129X

License

50555 Issued in MA

Practice address

2033 Main St
Athol, MA 01331-3535

Phone

(978) 249-3511

Fax

(978) 249-7666

NPI assigned

Sep 30, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• David C. Flemming MD PLLC

  • Anesthesiology Physician
  • Gardner, MA
  • NPI 1801980081
  NPD (past)
• Connecticut Vascular Surgical Associates, PC

  • Vascular Surgery Physician
  • Shelton, CT
  • NPI 1801805403
  NPD (past)

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

{
    "created_epoch": "1128038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1982691333",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2033 MAIN ST",
            "city": "ATHOL",
            "state": "MA",
            "postal_code": "013313535",
            "telephone_number": "978-249-3511",
            "fax_number": "978-249-7666"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2033 MAIN ST",
            "city": "ATHOL",
            "state": "MA",
            "postal_code": "013313535",
            "telephone_number": "978-249-3511",
            "fax_number": "978-249-7666"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WU",
        "first_name": "MARK",
        "middle_name": "P.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-30",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MA",
            "license": "50555",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "MA",
            "license": "50555",
            "primary": true
        },
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "MA",
            "license": "50555",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1392620",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Western Massachusetts Magnetic Resonance Services LLC
• Nathan Witherow, PHARMD
• Kathleen Marie Woodard
• Ellen Woodbury
• Ashliana Christi Woulfe
• Corazon Yandoc-Maramag, M.D.

• Vascular Surgery Physician in Athol, MA
• Providers in Athol, MA by specialty
• Vascular Surgery 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.