Harolyn G Maxwell, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

209009466 Issued in IL

Practice address

800 E Carpenter St
Springfield, IL 62769-2500

Phone

(217) 544-6464

NPI assigned

Mar 30, 2012

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL, MO2 enrollments

Enrollment records 2

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Metro-West Anesthesia Group IncGroup PAC ID 2163329921, 204 clinicians

Millennium Anesthesiology Consultants, LLCGroup PAC ID 9133250475, 17 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM St Joseph Health Center Hospital, Saint Charles, MO, CCN 260005
• SSM St Joseph Hospital West Hospital, Lake Saint Louis, MO, CCN 260200

Merit-based Incentive Payment System (MIPS)

Final score

91.05 of 100Reported as apm

Quality

72.1

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/f4be81d1-a15e-4e19-9601-5214010ddaac/
• FHIR API: https://fhir-usa.unify.chbase.com/org/jersey-f23a6357

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.

• Millennium Anesthesiology Consultants, LLC

  • Anesthesiology Physician
  • Maryville, IL
  • NPI 1710218094
  Medicare reassignment Care Compare group NPD
• Metro-West Anesthesia Group Inc

  • Anesthesiology Physician
  • Chesterfield, MO
  • NPI 1245427335

  Nurse Anesthetist, Certified Registered

  Medicare reassignment Care Compare group NPD
• Jersey Community Hospital

  • Personal Emergency Response Attendant
  • Jerseyville, IL
  • NPI 1780609925
  Medicare reassignment NPD
• North American Partners in Anesthesia (Illinois), LLC

  • Anesthesiology Physician
  • Oak Park, IL
  • NPI 1699032524
  Medicare reassignment NPD
• Jersey Community Hospital

  dba JCH Medical Group - Jerseyville II

  • Rural Health Clinic/Center
  • Jerseyville, IL
  • NPI 1659750818
  NPD
• Jersey Community Hospital

  • Rural Health Clinic/Center
  • Jerseyville, IL
  • NPI 1700423696
  NPD
• Jersey Community Hospital

  • General Acute Care Hospital
  • Jerseyville, IL
  • NPI 1184630519
  NPD (past)

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

• SSM Health Care St. Louis

  dba SSM Health St. Joseph Hospital - St. Charles

  • General Acute Care Hospital
  • Saint Charles, MO
  • NPI 1467521146
  Care Compare affiliation
• SSM Health Care St. Louis

  dba SSM Health St Joseph Hospital - Lake Saint Louis

  • General Acute Care Hospital
  • Lake St Louis, MO
  • NPI 1871665380
  Care Compare affiliation

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

{
    "created_epoch": "1333065600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763424000000",
    "number": "1801162151",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3725 BLUFF SPRING DR",
            "city": "SAINT CHARLES",
            "state": "MO",
            "postal_code": "633036687",
            "telephone_number": "618-567-5973"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 E CARPENTER ST",
            "city": "SPRINGFIELD",
            "state": "IL",
            "postal_code": "627692500",
            "telephone_number": "217-544-6464"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "400 Maple Summit Rd",
            "address_purpose": "LOCATION",
            "city": "Jerseyville",
            "state": "IL",
            "postal_code": "620522028",
            "country_code": "US",
            "telephone_number": "618-498-8420",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "611 W Park St",
            "address_2": "Anesthesiology",
            "address_purpose": "LOCATION",
            "city": "Urbana",
            "state": "IL",
            "postal_code": "61801",
            "country_code": "US",
            "telephone_number": "217-383-3303",
            "fax_number": "217-383-3265",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAXWELL",
        "first_name": "HAROLYN",
        "middle_name": "G",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-03-30",
        "last_updated": "2025-11-18",
        "certification_date": "2025-11-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "209009466",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maurer Family Dental LLC
• Greg Maurer, MD
• Susan M Maurer, D.M.D.
• Shakuntala Hanumant Mauzo, MBBS,MD
• Amanda M Mavis, FNP
• Tiphanie May, LCSW
• Samantha Ariel Mayberry, DC
• Alea Denise Maye
• Shawn Andrew Mayer, M.D.
• Stephen A Mayer, M.D.

• Certified Registered Nurse Anesthetist in Springfield, IL
• Providers in Springfield, IL by specialty
• Certified Registered Nurse Anesthetist in Illinois

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