Fritz Mesilien, D.C, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

317663 Issued in AZ

Practice address

1551 E Tangerine Rd
Oro Valley, AZ 85755-6213

Phone

(520) 901-3500

NPI assigned

Sep 15, 2014

Last updated

Jan 23, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 7

Addresses

Medicare fee-for-service enrollment

Enrolled in NC, TX, IL, VA, KS, AZ, IA7 enrollments

Enrollment records 7

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2022

Medicare assignment

May accept Medicare assignment

Group practices

Waukegan Clinic CorpGroup PAC ID 4284631086, 60 clinicians

Vital Health Partners LLCGroup PAC ID 5092205732, 74 clinicians

Northwest HBP Medical Services LLCGroup PAC ID 8921356536, 278 clinicians

Cep America - Anesthesia PCGroup PAC ID 3678897915, 849 clinicians

US Anesthesia Partners of Kansas PAGroup PAC ID 7719245299, 20 clinicians

Clinical Colleagues IncGroup PAC ID 8729011333, 170 clinicians

SMG Anesthesia Specialists LLCGroup PAC ID 6305081118, 501 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sentara Leigh Hospital Hospital, Norfolk, VA, CCN 490046
• Vista Medical Center East Hospital, Waukegan, IL, CCN 140084
• Trinity Rock Island Hospital, Rock Island, IL, CCN 140280
• Sentara Norfolk General Hospital Hospital, Norfolk, VA, CCN 490007

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations (25 of 32)

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/14272/brand/70/csg/1/fhir/r4
• FHIR API: https://api.platform.athenahealth.com/2069/brand/1/csg/29/fhir/r4

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.

• Northwest HBP Medical Services LLC

  • Emergency Medicine Physician
  • Tucson, AZ
  • NPI 1407353006
  Medicare reassignment Care Compare group NPD
• Cep America - Anesthesia PC

  • Anesthesiology Physician
  • West Des Moines, IA
  • NPI 1194516146
  Medicare reassignment Care Compare group NPD
• Clinical Colleagues LLC

  • Anesthesiology Physician
  • Galesburg, IL
  • NPI 1316399967

  Nurse Anesthetist, Certified Registered

  Medicare reassignment Care Compare group NPD
• SMG Anesthesia Specialists LLC

  • Anesthesiology Physician
  • Virginia Beach, VA
  • NPI 1518205004
  Medicare reassignment Care Compare group NPD
• US Anesthesia Partners of Kansas PA

  • Anesthesiology Physician
  • Greenwood Village, CO
  • NPI 1811415599

  KS, Nurse Anesthetist, Certified Registered

  Medicare reassignment Care Compare group NPD
• Vital Health Partners LLC

  • Hospitalist Physician
  • Miami Lakes, FL
  • NPI 1043101207

  IL

  Medicare reassignment Care Compare group NPD
• Waukegan Clinic Corp

  • Family Medicine Physician
  • Waukegan, IL
  • NPI 1306937289
  Medicare reassignment Care Compare group NPD
• 360 Anesthesia PLLC

  • Anesthesiology Physician
  • Wilkes Barre, PA
  • NPI 1811637366

  IL, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Chatham Hospital, Inc.

  dba Chatham Professional Group

  • Critical Access Hospital
  • Siler City, NC
  • NPI 1689967457
  Medicare reassignment NPD
• Cumberland County Hospital System Inc

  dba Oncology Services

  • Hematology & Oncology Physician
  • Fayetteville, NC
  • NPI 1881946242
  Medicare reassignment NPD
• El Paso Ams, PLLC

  • Anesthesiology Physician
  • El Paso, TX
  • NPI 1134740202

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Emergenchealth PLLC

  • Anesthesiology Physician
  • Fort Worth, TX
  • NPI 1467970897

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD

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

• Sentara Hospitals

  dba Sentara Nightingale

  • Air Ambulance
  • Norfolk, VA
  • NPI 1235205147

  Hospital

  Care Compare affiliation
• Sentara Hospitals

  dba Sentara Norfolk General Hospital

  • General Acute Care Hospital
  • Norfolk, VA
  • NPI 1437119310
  Care Compare affiliation
• Sentara Hospitals

  dba Sentara Leigh Hospital

  • General Acute Care Hospital
  • Norfolk, VA
  • NPI 1811957681
  Care Compare affiliation
• Trinity Medical Center

  dba Trinity Rock Island

  • General Acute Care Hospital
  • Rock Island, IL
  • NPI 1316047632
  Care Compare affiliation
• Waukegan Illinois Hospital Company LLC

  dba Vista Medical Center East

  • General Acute Care Hospital
  • Waukegan, IL
  • NPI 1639120694
  Care Compare affiliation

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

{
    "created_epoch": "1410739200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769126400000",
    "number": "1073914511",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 15902",
            "city": "DURHAM",
            "state": "NC",
            "postal_code": "277040902",
            "telephone_number": "203-820-9397",
            "fax_number": "866-586-3722"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1551 E TANGERINE RD",
            "city": "ORO VALLEY",
            "state": "AZ",
            "postal_code": "857556213",
            "telephone_number": "520-901-3500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "500 John Deere Rd",
            "address_purpose": "LOCATION",
            "city": "Moline",
            "state": "IL",
            "postal_code": "612656892",
            "country_code": "US",
            "telephone_number": "850-985-9180",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3711 N Roxboro St",
            "address_purpose": "LOCATION",
            "city": "Durham",
            "state": "NC",
            "postal_code": "277042744",
            "country_code": "US",
            "telephone_number": "203-820-9397",
            "fax_number": "866-586-3722",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2701 17th St",
            "address_purpose": "LOCATION",
            "city": "Rock Island",
            "state": "IL",
            "postal_code": "612015351",
            "country_code": "US",
            "telephone_number": "850-985-9180",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MESILIEN",
        "first_name": "FRITZ",
        "name_prefix": "Dr.",
        "credential": "D.C, CRNA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-09-15",
        "last_updated": "2026-01-23",
        "certification_date": "2026-01-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "AZ",
            "license": "317663",
            "primary": true
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "NC",
            "license": "7106",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "209028821",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IA",
            "license": "D185015",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "VA",
            "license": "0024187238",
            "primary": false
        },
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "NC",
            "license": "4491",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "NC",
            "license": "303257",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennifer McDade, RDN
• Kathleen McDevitt
• Jack McEwen
• Kelly J McLearran, PT
• Janell Merchen, FNP-BC
• Michael Haymore, DDS, PLLC
• Michael W. Lang D.D.S. P.C.
• Erin Mickelson, RN, CRNA
• Cherie B. Miller-Gray, OTR/L, CHT
• Alina D Miller, FNP

• Certified Registered Nurse Anesthetist in Oro Valley, AZ
• Providers in Oro Valley, 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 Jan 23, 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.