Rex A Parker III, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

D0105968 Issued in MD

Practice address

600 N Wolfe St
Baltimore, MD 21287-0005

Phone

(410) 955-5000

NPI assigned

Apr 19, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MO, KS, MA, NH4 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 4

Specialty

Diagnostic Radiology

Education

Other, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Kansas University Physicians IncGroup PAC ID 8921911587, shared by 4 NPIs, 1,809 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Kansas Hospital Hospital, Kansas City, KS, CCN 170040
• University of KS HLTH System Great Bend Campus Hospital, Great Bend, KS, CCN 170191

Merit-based Incentive Payment System (MIPS)

Final score

92.91 of 100Reported as apm

Quality

77.02

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rparker702366@direct.kuha.org

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.

• Kansas University Physicians Inc

  • Internal Medicine Physician
  • Kansas City, KS
  • NPI 1003858333

  Diagnostic Radiology

  Medicare reassignment NPD
• Kansas University Physicians Inc

  dba KU Neurosurgery

  • Neurological Surgery Physician
  • Kansas City, KS
  • NPI 1922144856

  MO

  Medicare reassignment NPD
• Johns Hopkins University

  dba Jhu - Radiology

  • Body Imaging Physician
  • Baltimore, MD
  • NPI 1093796609

  MO

  Medicare reassignment
• Umass Memorial Medical Group Inc

  • Internal Medicine Physician
  • Worcester, MA
  • NPI 1760445373

  MO

  Medicare reassignment
• Kansas University Physicians Inc

  • Cardiovascular Disease Physician
  • Kansas City, KS
  • NPI 1407637291
  NPD
• Kansas University Physicians Inc

  dba KU Radiology

  • Diagnostic Radiology Physician
  • Kansas City, KS
  • NPI 1689710519
  NPD

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

• Ukhs Great Bend, LLC

  dba The University of Kansas Health System Great Bend Campus

  • General Acute Care Hospital
  • Great Bend, KS
  • NPI 1548750417
  Care Compare affiliation
• University of Kansas Hospital Authority

  dba University of Kansas Hospital / University of Kansas Cancer Center

  • General Acute Care Hospital
  • Kansas City, KS
  • NPI 1629369681
  Care Compare affiliation
• University of Kansas Hospital Authority

  dba The University of Kansas Hospital

  • General Acute Care Hospital
  • Kansas City, KS
  • NPI 1649259656
  Care Compare affiliation

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

{
    "created_epoch": "1176940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780876800000",
    "number": "1790902872",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-955-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 N WOLFE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870005",
            "telephone_number": "410-955-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3901 Rainbow Blvd",
            "address_purpose": "LOCATION",
            "city": "Kansas City",
            "state": "KS",
            "postal_code": "661605260",
            "country_code": "US",
            "telephone_number": "408-315-9341",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "55 Lake Ave N",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016550002",
            "country_code": "US",
            "telephone_number": "508-334-3850",
            "fax_number": "508-334-3947",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Lebanon",
            "state": "NH",
            "postal_code": "037560001",
            "country_code": "US",
            "telephone_number": "602-650-5000",
            "fax_number": "603-640-1228",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PARKER",
        "first_name": "REX",
        "middle_name": "A",
        "name_suffix": "III",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-19",
        "last_updated": "2026-06-08",
        "certification_date": "2026-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MO",
            "license": "2011003942",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MD",
            "license": "D0105968",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MO",
            "license": "2023004921",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NH",
            "license": "39575",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MA",
            "license": "1027219",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "4733 W Sunset Blvd",
            "city": "Los Angeles",
            "state": "CA",
            "country_code": "US",
            "postal_code": "900276021",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Megan Parker
• Melissa Parker, CRNP
• Niazia Parker
• Noelle Parker
• Reginald Parker
• Robin Renee Parker
• Sade Parker
• Sheree Parker
• Shirley Parker
• Tara Parker

• Diagnostic Radiology Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Diagnostic Radiology Physician in Maryland

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