Individual provider Active NPI

Melissa Ashley Genczo, CRNA

  • Certified Registered Nurse Anesthetist
  • Tucson, AZ
National Provider Identifier
1356171086
Registry record updated Aug 6, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
310155 Issued in AZ
Practice address
3601 S 6TH Ave
Tucson, AZ 85723-0001
Phone
(520) 792-1450
NPI assigned
Aug 6, 2024
Last updated
Aug 6, 2024By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 6, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 310155 AZ Primary
Registered Nurse 163W00000X RN172451 AZ

Addresses

Primary practice location

3601 S 6TH Ave
Tucson, AZ 85723-0001

Mailing address

11783 N Raphael Way
Tucson, AZ 85742-6622
Phone (520) 205-0741

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250206002213 AZ Practitioner - Certified Registered Nurse Anesthetist (Crna) 3971033838 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ias Arizona PLLCGroup PAC ID 7517312648, 122 clinicians
Anesthesia Associates of Tucson LLCGroup PAC ID 3476893454, 8 clinicians

Practice addresses (Care Compare)

5301 E Grant Rd
Tucson, AZ 85712-2805
Phone (469) 340-1366

7445 E Tanque Verde Rd
Tucson, AZ 85715-3477
Phone 5207220744205

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
RN172451AZMDRegistered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Anesthesia Partners & Management LLC Nurse Anesthetist, Certified Registered CurrentSince Feb 28, 2025 Accepting new patients
Northwest HBP Medical Services LLC CurrentSince Apr 29, 2025 Accepting new patients
Ascend Anesthesia LLC Nurse Anesthetist, Certified Registered CurrentSince Jun 1, 2025 Accepting new patients
Ias Arizona PLLC CurrentSince Jun 1, 2025 Accepting new patients
Anesthesia Associates of Tucson LLC CurrentSince May 15, 2025 Accepting new patients

Locations

1020 N San Francisco St
Ste 100
Flagstaff, AZ 86001
Phone (928) 774-2300

103 Medicine Way Rd
Peridot, AZ 85542
Phone (928) 475-1200

1902 W Union Hills Dr
Unit 41550
Phoenix, AZ 85080

3900 E Camelback Rd
Ste 190
Phoenix, AZ 85018
Phone (888) 724-6236

3929 E Bell Rd
Phoenix, AZ 85032
Phone (602) 923-5000

4600 E Washington St
Ste 300
Phoenix, AZ 85034
Phone (602) 638-1872

3110 Clearwater Dr
Prescott, AZ 86305
Phone (623) 241-6185

10360 E Drexel Rd
Tucson, AZ 85747
Phone (469) 340-1366

1601 W Saint Marys Rd
Tucson, AZ 85745
Phone (520) 622-5833

1704 W Anklam Rd
Ste 108
Tucson, AZ 85745
Phone (623) 241-6185

2200 S Houghton Rd
Tucson, AZ 85748
Phone (520) 287-5728

5301 E Grant Rd
Tucson, AZ 85712
Phone (520) 324-1344

6200 N La Cholla Blvd
Tucson, AZ 85741
Phone (520) 229-2657

7445 E Tanque Verde Rd
Tucson, AZ 85715
Phone (520) 722-0744

1030 W 24th St
Ste H
Yuma, AZ 85364
Phone (520) 726-5151

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1722902400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1722902400000",
    "number": "1356171086",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11783 N RAPHAEL WAY",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857426622",
            "telephone_number": "520-205-0741"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3601 S 6TH AVE",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857230001",
            "telephone_number": "520-792-1450"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GENCZO",
        "first_name": "MELISSA",
        "middle_name": "ASHLEY",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-08-06",
        "last_updated": "2024-08-06",
        "certification_date": "2024-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "AZ",
            "license": "310155",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "AZ",
            "license": "RN172451",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tucson, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 2024; 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.