Christopher Nicholas Mascio, PA-C

Primary specialty

Surgical Physician AssistantTaxonomy code 363AS0400X

License

5847 Issued in CT

Practice address

1 Hospital PLZ
Stamford, CT 06902-3602

Phone

(203) 276-7470

Fax

(203) 276-5560

NPI assigned

Aug 4, 2010

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

Medicare fee-for-service enrollment

Enrolled in TX, CT, NY3 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 3

Specialty

Physician Assistant

Education

Other, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Bronxcare Health SystemGroup PAC ID 3870404429, 335 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Bronxcare Hospital Center Hospital, Bronx, NY, CCN 330009

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H1722

Interoperability endpoints

• Direct secure messaging: cmascio78272@direct.med.uchc.edu

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.

• Bronxcare Health System

  • Internal Medicine Physician
  • Bronx, NY
  • NPI 1245390855
  Medicare reassignment Care Compare group
• Stamford Health Medical Group Inc

  • General Practice Physician
  • Stamford, CT
  • NPI 1154633980
  Medicare reassignment
• Fort Worth Brain & Spine Institute, LLP

  • Neurological Surgery Physician
  • Fort Worth, TX
  • NPI 1770503237
  Medicare reassignment
• Gotham Spine and Brain Surgery, PLLC

  • Neurological Surgery Physician
  • Yonkers, NY
  • NPI 1093532954
  Medicare reassignment
• Texas Health Physicians Group

  • Internal Medicine Physician
  • Fort Worth, TX
  • NPI 1174573596
  Medicare reassignment
• Bronxcare Health System

  • Neurological Surgery Physician
  • Bronx, NY
  • NPI 1578613782
  NPD
• Bronxcare Health System

  • Methadone Clinic
  • Bronx, NY
  • NPI 1801428222
  NPD
• Texas Health Physicians Group

  • Sleep Disorder Diagnostic Clinic/Center
  • Dallas, TX
  • NPI 1174992051
  NPD
• Midway Emergency Physicians, LLC

  • Emergency Medicine Physician
  • Waukegan, IL
  • NPI 1447397526
  NPD (past)

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

• Bronxcare Health System

  • General Acute Care Hospital
  • Bronx, NY
  • NPI 1417027558
  Care Compare affiliation

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

{
    "created_epoch": "1280880000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753228800000",
    "number": "1437463247",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 HOSPITAL PLZ",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069023602",
            "telephone_number": "203-276-7470",
            "fax_number": "203-276-5560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 HOSPITAL PLZ",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069023602",
            "telephone_number": "203-276-7470",
            "fax_number": "203-276-5560"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1650 Grand Concourse",
            "address_purpose": "LOCATION",
            "city": "Bronx",
            "state": "NY",
            "postal_code": "104577679",
            "country_code": "US",
            "telephone_number": "718-992-7669",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASCIO",
        "first_name": "CHRISTOPHER",
        "middle_name": "NICHOLAS",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-08-04",
        "last_updated": "2025-07-23",
        "certification_date": "2025-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "IL",
            "license": "PENDING",
            "primary": false
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "CT",
            "license": "5847",
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "030826",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sofia Martirosov, DDS
• Rebecca S Martorella, MA, LMFT
• Deesha M Marvania, PT
• Mary Arden-Cordone, M.D., LLC
• Katarzyna Maryniak, MD
• Laura Mase
• Frank Anthony Masino, M.D.
• Megan Arthur Mask, PA-C
• Allison Mason, SLP
• Stephen Joseph Massimi, M.D.

• Surgical Physician Assistant in Stamford, CT
• Providers in Stamford, CT by specialty
• Surgical Physician Assistant in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 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.