Mark W Westberg, MD

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

MD-20734 Issued in IA

Practice address

1950 SW Magazine Rd
Ankeny, IA 50023-2977

Phone

(515) 282-2921

Fax

(515) 283-1035

NPI assigned

Mar 28, 2006

Last updated

Nov 18, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Electronic endpoints 1

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Medical OncologyAlso: Hematology

Education

University of Iowa, RJ & L Carver College of Medicine, 1976

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

St Anthony Regional Hospital and Nursing HomeGroup PAC ID 4688586829, shared by 8 NPIs, 49 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Anthony Regional Hospital & Nursing Home Hospital, Carroll, IA, CCN 161382
• Stewart Memorial Community Hospital Hospital, Lake City, IA, CCN 161350
• Loring Hospital Hospital, Sac City, IA, CCN 161370
• Crawford County Memorial Hospital Hospital, Denison, IA, CCN 161369
• Greene County Medical Center Hospital, Jefferson, IA, CCN 161325

Merit-based Incentive Payment System (MIPS)

Final score

77.64 of 100Reported as group

Quality

69.74

Promoting interoperability

83

Improvement activities

40

Cost

69.88

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mwestberg@moha.oncoemrdirect.com

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.

• St Anthony Regional Hospital and Nursing Home

  • Critical Access Hospital
  • Carroll, IA
  • NPI 1720067127
  Medicare reassignment NPD
• St Anthony Regional Hospital and Nursing Home

  • Family Medicine Physician
  • Carroll, IA
  • NPI 1801815972
  Medicare reassignment NPD
• State University of Iowa

  dba University of Iowa Health Care

  • Family Medicine Physician
  • Iowa City, IA
  • NPI 1477554814

  Internal Medicine

  Medicare reassignment NPD
• St Anthony Regional Hospital and Nursing Home

  • Anatomic Pathology & Clinical Pathology Physician
  • Carroll, IA
  • NPI 1629460555

  Medical Oncology

  NPD

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

• Crawford County Memorial Hospital

  • Critical Access Hospital
  • Denison, IA
  • NPI 1578555116
  Care Compare affiliation
• Greene County Medical Center

  • Critical Access Hospital
  • Jefferson, IA
  • NPI 1083654883
  Care Compare affiliation
• Loring Hospital

  • Critical Access Hospital
  • Sac City, IA
  • NPI 1144378621
  Care Compare affiliation
• St Anthony Regional Hospital and Nursing Home

  • Critical Access Hospital
  • Carroll, IA
  • NPI 1720067127
  Care Compare affiliation
• Stewart Memorial Community Hospital

  • Critical Access Hospital
  • Lake City, IA
  • NPI 1063497188
  Care Compare affiliation

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

{
    "created_epoch": "1143504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763424000000",
    "number": "1952362394",
    "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"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1950 SW MAGAZINE RD",
            "city": "ANKENY",
            "state": "IA",
            "postal_code": "500232977",
            "telephone_number": "515-282-2921",
            "fax_number": "515-283-1035"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "12495 University Ave Ste 200",
            "address_purpose": "LOCATION",
            "city": "Clive",
            "state": "IA",
            "postal_code": "503258290",
            "country_code": "US",
            "telephone_number": "515-282-2921",
            "fax_number": "515-283-1035",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "110 E Court Ave Ste 200",
            "address_purpose": "LOCATION",
            "city": "Des Moines",
            "state": "IA",
            "postal_code": "503092044",
            "country_code": "US",
            "telephone_number": "515-282-2921",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "411 Laurel St Ste A300",
            "address_purpose": "LOCATION",
            "city": "Des Moines",
            "state": "IA",
            "postal_code": "503143030",
            "country_code": "US",
            "telephone_number": "515-282-2921",
            "fax_number": "515-283-1035",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WESTBERG",
        "first_name": "MARK",
        "middle_name": "W",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-28",
        "last_updated": "2025-11-18",
        "certification_date": "2025-11-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "IA",
            "license": "20734",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IA",
            "license": "MD-20734",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "IA",
            "license": "MD-20734",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwestberg@MOHA.OncoEMRDirect.com",
            "affiliation": "N",
            "address_1": "1221 Pleasant St",
            "address_2": "Ste 100",
            "city": "Des Moines",
            "state": "IA",
            "country_code": "US",
            "postal_code": "50309",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Anna Welte
• Timothy Edward Welty, PHARMD
• Alyse Wenger, DDS
• Monica Wentworth, LMHC-T
• Kari Annette Werner, ARNP
• Sierra Weuve, FNP-C
• Denise G Wheeler, ARNP
• Andrea White, MD
• Maggie White, MD
• Kaitlyn Whitehill, PA-C

• Medical Oncology Physician in Ankeny, IA
• Providers in Ankeny, IA by specialty
• Medical Oncology Physician in Iowa

• 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; 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.