Ruth Ann Lewis, CRNA, NP

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

CRNA0499 Issued in AZ

Practice address

13400 E Shea Blvd
Scottsdale, AZ 85259-5452

Phone

(480) 301-8000

NPI assigned

Feb 24, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in AZ

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mayo Clinic ArizonaGroup PAC ID 7012829930, 1,618 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mayo Clinic Hospital Hospital, Phoenix, AZ, CCN 030103

Merit-based Incentive Payment System (MIPS)

Final score

86.47 of 100Reported as group

Quality

78.27

Promoting interoperability

100

Improvement activities

40

Cost

76.62

Merit-based Incentive Payment System (MIPS)

Final score

95.59 of 100Reported as group

Quality

81.55

Promoting interoperability

100

Improvement activities

40

Cost

79.5

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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 and National Provider Directory roles.

• Mayo Clinic Arizona

  • Multi-Specialty Clinic/Center
  • Scottsdale, AZ
  • NPI 1558332494
  Medicare reassignment Care Compare group NPD
• District Medical Group, Inc

  • Anatomic Pathology & Clinical Pathology Physician
  • Phoenix, AZ
  • NPI 1336472448
  Medicare reassignment NPD
• Valley Anesthesiology Consultants, Inc.

  • Anesthesiology Physician
  • Phoenix, AZ
  • NPI 1285660704
  Medicare reassignment NPD
• District Medical Group, Inc

  • Emergency Medicine Physician
  • Phoenix, AZ
  • NPI 1144624339
  NPD
• District Medical Group, Inc

  • Family Medicine Physician
  • Phoenix, AZ
  • NPI 1629301734
  NPD
• Mayo Clinic Arizona

  • Durable Medical Equipment & Medical Supplies
  • Phoenix, AZ
  • NPI 1699520049
  NPD
• Mesa Az Endoscopy ASC LLC

  • Ambulatory Surgical Clinic/Center
  • Mesa, AZ
  • NPI 1770557233
  NPD (past)

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

• Mayo Clinic Arizona

  • General Acute Care Hospital
  • Phoenix, AZ
  • NPI 1154392231
  Care Compare affiliation

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

{
    "created_epoch": "1172275200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780272000000",
    "number": "1801922042",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13400 E SHEA BLVD",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852595452",
            "telephone_number": "480-301-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEWIS",
        "first_name": "RUTH",
        "middle_name": "ANN",
        "credential": "CRNA, NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-02-24",
        "last_updated": "2026-06-01",
        "certification_date": "2026-06-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "AZ",
            "license": "AP2585",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "AZ",
            "license": "CRNA0499",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rlewis395020@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "13400 E Shea Blvd",
            "city": "Scottsdale",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "852595452",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Maria Fatima Bisquera Lewis, DMD
• Mark J. Lewis, M.D.
• Marlena Passeri Lewis
• Petrina Celeste Lewis, DPM
• Rebecca Lewis
• Samantha Lewis
• Sandy Lewis, LPC
• Sari A. Lewis, SARI LEWIS
• Stephon Jordan Lewis, LPC
• Franklin R Lewkowitz, M.D.

• Certified Registered Nurse Anesthetist in Scottsdale, AZ
• Providers in Scottsdale, 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 Jun 1, 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.