Christy Johnson

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

License

121601 Issued in IA

Practice address

200 Hawkins Dr
Iowa City, IA 52242-1009

Phone

(319) 356-2674

Fax

(319) 356-3347

NPI assigned

Mar 31, 2022

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

Other names 1

• Christy Lee Ralston Former name

Medicare fee-for-service enrollment

Enrolled in IA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

State University of IowaGroup PAC ID 7618884230, 1,886 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Genesis Vna Home health agency, Bettendorf, IA, CCN 167012
• Mercyone Clinton Medical Center Hospital, Clinton, IA, CCN 160080
• University of Iowa Hospital & Clinics Hospital, Iowa City, IA, CCN 160058

Merit-based Incentive Payment System (MIPS)

Final score

88.8 of 100Reported as apm

Quality

82.54

Promoting interoperability

89.05

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cjohnson3932868@direct.trinity-health.org
• Direct secure messaging: christy.johnson@macmc.eclinicaldirectplus.com

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.

• State University of Iowa

  dba University of Iowa Health Care

  • Family Medicine Physician
  • Iowa City, IA
  • NPI 1477554814
  Medicare reassignment Care Compare group
• Medical Associates of Clinton, Iowa P.L.C.

  • Family Medicine Physician
  • Clinton, IA
  • NPI 1841244431
  NPD
• Mercy Specialty Clinic

  dba MercyOne Clinton North Health Plaza

  • Family Medicine Physician
  • Clinton, IA
  • NPI 1275197998
  NPD
• Mercy Specialty Clinic

  dba MercyOne Specialty Care

  • Multi-Specialty Clinic/Center
  • Clinton, IA
  • NPI 1386832764
  NPD

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

• Genesis Health System

  dba Genesis VNA and Hospice

  • Home Health Agency
  • Bettendorf, IA
  • NPI 1467404491
  Care Compare affiliation
• Mercy Medical Center-Clinton, Inc

  dba MercyOne Clinton Medical Center

  • General Acute Care Hospital
  • Clinton, IA
  • NPI 1427093962
  Care Compare affiliation
• State University of Iowa

  dba University of Iowa Health Care Medical Center

  • General Acute Care Hospital
  • Iowa City, IA
  • NPI 1376544320
  Care Compare affiliation

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

{
    "created_epoch": "1648684800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775606400000",
    "number": "1093455636",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 HAWKINS DR",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522421009",
            "telephone_number": "319-356-2674",
            "fax_number": "319-356-3347"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 HAWKINS DR",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522421009",
            "telephone_number": "319-356-2674",
            "fax_number": "319-356-3347"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "CHRISTY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-31",
        "last_updated": "2026-04-08",
        "certification_date": "2026-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IA",
            "license": "121601",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "IA",
            "license": "121601",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHRISTY",
            "last_name": "RALSTON",
            "middle_name": "LEE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Burgundy June Johnson, D.O.
• Carolyn Johnson, PA
• Chase Lee Johnson
• Christian Johnson
• Christine Elizabeth Johnson, RPH
• Daniel Charles Johnson
• Darin Johnson, PHARM.D.
• David Paul Johnson, PH.D
• Doug Johnson
• Emily Blaedel Johnson, LMSW

• Medical Physician Assistant in Iowa City, IA
• Providers in Iowa City, IA by specialty
• Medical Physician Assistant in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.