Individual provider Active NPI

Mark D McMullen, CRNA

  • Certified Registered Nurse Anesthetist
  • Providence, RI
National Provider Identifier
1689897126
Registry record updated Jul 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
RNA36569 Issued in RI
Practice address
101 Dudley Street
Providence, RI 02905
Phone
(401) 885-2917
Fax
(401) 456-3621
NPI assigned
Apr 11, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 18, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X RNA36569 RI Primary

Addresses

Primary practice location

101 Dudley Street
Providence, RI 02905

Mailing address

303 Varnum Drive
East Greenwich, RI 02818
Phone (401) 885-2917

Other practice location 1

33 Staniford St Fl 2
Providence, RI 02905-3105
Phone (401) 421-8800

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in RI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20070712000261 RI Practitioner - Certified Registered Nurse Anesthetist (Crna) 2567562093 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University Gastroenterology, LLCGroup PAC ID 3678762804, 99 clinicians

Practice addresses (Care Compare)

33 Staniford St
Providence, RI 02905-3105
Phone (401) 421-8800

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
University Gastroenterology, LLC Nurse Anesthetist, Certified Registered CurrentSince Apr 1, 2022 Accepting new patients

Locations

33 Staniford St
Providence, RI 02905
Phone (401) 274-1810

33 Staniford St
#2
Providence, RI 02905

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1176249600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752796800000",
    "number": "1689897126",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "303 VARNUM DRIVE",
            "city": "EAST GREENWICH",
            "state": "RI",
            "postal_code": "02818",
            "telephone_number": "401-885-2917",
            "fax_number": "401-456-3621"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 DUDLEY STREET",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "02905",
            "telephone_number": "401-885-2917",
            "fax_number": "401-456-3621"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "33 Staniford St Fl 2",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029053105",
            "country_code": "US",
            "telephone_number": "401-421-8800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCMULLEN",
        "first_name": "MARK",
        "middle_name": "D",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-11",
        "last_updated": "2025-07-18",
        "certification_date": "2025-07-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "RI",
            "license": "RNA36569",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Providence, RI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.