Melissa A Acquaviva, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

251083 Issued in AZ

Practice address

1200 N Beaver St
Flagstaff, AZ 86001-3118

Phone

(928) 779-3366

NPI assigned

Dec 8, 2006

Last updated

Sep 30, 2026By the provider in NPPES

Sex

Female

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 AZ

Enrollment records 1

Merit-based Incentive Payment System (MIPS)

Final score

82.13 of 100Reported as group

Quality

66.85

Promoting interoperability

99

Improvement activities

40

Cost

74.4

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

State licenses

Practice roles

Locations

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.

• Twin Peaks Acquaviva LLC

  • Certified Registered Nurse Anesthetist
  • Flagstaff, AZ
  • NPI 1477419836

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD Authorized official
• Greater Anesthesia Solutions

  • Anesthesiology Physician
  • Phoenix, AZ
  • NPI 1124430244

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Anesthesia Partners & Management LLC

  dba Arizona Anesthesia Solutions

  • Certified Registered Nurse Anesthetist
  • Brighton, MI
  • NPI 1336530997

  AZ, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Valley Anesthesiology Consultants, Inc.

  • Anesthesiology Physician
  • Phoenix, AZ
  • NPI 1285660704
  Medicare reassignment
• Anesthesia Associates of the Rockies LLC

  • Anesthesiology Physician
  • Lakewood, CO
  • NPI 1962739003
  NPD (past)
• Clinical Colleagues LLC

  • Anesthesiology Physician
  • Van Wert, OH
  • NPI 1992725766

  Nurse Anesthetist, Certified Registered

  NPD (past)
• Nurse Anesthesia of South Carolina LLC

  • Certified Registered Nurse Anesthetist
  • Charleston, SC
  • NPI 1073548590

  Nurse Anesthetist, Certified Registered

  NPD (past)

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

{
    "created_epoch": "1165536000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790726400000",
    "number": "1639238348",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1200 N BEAVER ST",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860013118",
            "telephone_number": "928-213-6235",
            "fax_number": "928-213-6292"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 N BEAVER ST",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860013118",
            "telephone_number": "928-779-3366"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ACQUAVIVA",
        "first_name": "MELISSA",
        "middle_name": "A",
        "name_prefix": "Mrs.",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-12-08",
        "last_updated": "2026-09-30",
        "certification_date": "2026-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "209035977",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "SD",
            "license": "CR000769",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "AZ",
            "license": "251083",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jefrey A Abramowitz, DDS
• Abundant Hope Integrated Solutions, LLC
• Aces Dental of Flagstaff
• Christina Ann Acheson-Hayes, L.C.S.W.
• Lorraine Bernice Acheson
• Sandra Lee Adams, NP
• Tina Jane Adams, LCSW, MSW, BHP
• ADHD Clinics of Arizona
• Cynthia Adson, ARNP, FNPBC
• Advanced Anesthesia Group, LLC

• Certified Registered Nurse Anesthetist in Flagstaff, AZ
• Providers in Flagstaff, AZ by specialty
• Certified Registered Nurse Anesthetist in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 2026; 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.