Mark Andrew Walshauser, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

036128331 Issued in IL

Practice address

321 Regency Park Ste 100
O Fallon, IL 62269-1887

Phone

(618) 416-7970

Fax

(618) 416-7971

NPI assigned

Dec 21, 2007

Last updated

Dec 12, 2023By 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 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IL

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

Hematology/Oncology

Education

Other, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cancer Care Specialists of Central Illinois SCGroup PAC ID 5991619116, 31 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sparta Community Hospital Hospital, Sparta, IL, CCN 141349
• HSHS St Elizabeth's Hospital Hospital, O Fallon, IL, CCN 140187
• St Joseph's Hospital Hospital, Highland, IL, CCN 141336
• St Johns Hospital Hospital, Springfield, IL, CCN 140053
• St Josephs Hospital Hospital, Breese, IL, CCN 140145

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Cancer Care Specialists of Central Illinois, S.C.

  • Medical Oncology Physician
  • Decatur, IL
  • NPI 1871580142

  Hematology & Oncology

  Medicare reassignment Care Compare group NPD
• Cancer Care Specialists of Central Illinois, S.C

  dba Cancer Care Specialists of Illinois

  • Community/Retail Pharmacy
  • Decatur, IL
  • NPI 1356874093
  NPD
• Inpatient Consultants of Missouri Inc

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1194779579
  NPD (past)

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

• Sparta Community Hospital

  • Critical Access Hospital
  • Sparta, IL
  • NPI 1548216476
  Care Compare affiliation
• St Elizabeths Hospital of the Hospital Sisters of the Third Order

  dba HSHS St. Elizabeth's Hospital

  • General Acute Care Hospital
  • O'Fallon, IL
  • NPI 1629057302
  Care Compare affiliation
• St Johns Hospital of the Hospital Sisters of the Third Order of St F

  dba HSHS St. John's Hospital

  • General Acute Care Hospital
  • Springfield, IL
  • NPI 1205818481
  Care Compare affiliation
• St Josephs Hospital Breese of the Hospital Sisters of the Third Orde

  dba Clinton County Rural Health

  • Rural Health Clinic/Center
  • Breese, IL
  • NPI 1013002658

  Hospital

  Care Compare affiliation
• St Josephs Hospital Breese of the Hospital Sisters of the Third Orde

  dba St. Joseph's Hospital

  • General Acute Care Hospital
  • Breese, IL
  • NPI 1457319154
  Care Compare affiliation
• St Josephs Hospital of the Hospital Sisters of the Third Order of St F

  dba HSHS St. Joseph's Hospital -Highland

  • Critical Access Hospital
  • Highland, IL
  • NPI 1447352323
  Care Compare affiliation

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

{
    "created_epoch": "1198195200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1702339200000",
    "number": "1306020664",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 25228",
            "city": "DECATUR",
            "state": "IL",
            "postal_code": "625255228",
            "telephone_number": "217-329-3232",
            "fax_number": "217-233-1670"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "321 REGENCY PARK STE 100",
            "city": "O FALLON",
            "state": "IL",
            "postal_code": "622691887",
            "telephone_number": "618-416-7970",
            "fax_number": "618-416-7971"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Broadway Plaza Suite 1",
            "address_purpose": "LOCATION",
            "city": "Sparta",
            "state": "IL",
            "postal_code": "622861800",
            "country_code": "US",
            "telephone_number": "618-416-7970",
            "fax_number": "618-416-7971",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "12860 Troxler Ave Ste 135",
            "address_purpose": "LOCATION",
            "city": "Highland",
            "state": "IL",
            "postal_code": "622492898",
            "country_code": "US",
            "telephone_number": "618-416-7970",
            "fax_number": "618-416-7971",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALSHAUSER",
        "first_name": "MARK",
        "middle_name": "ANDREW",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-12-21",
        "last_updated": "2023-12-12",
        "certification_date": "2023-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2010024540",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "IL",
            "license": "036128331",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036128331",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Walgreen Co (Walgreens #04599)
• Sahej Walia
• Jason Christopher Walker, D.C.
• Kelli Walkington
• Walmart Inc.
• Cierra Walters, PT, DPT
• Sydney Rose Walters
• Christine Walthes, APRN, FNP-C
• Katarina Waltman, RBT
• Walton CS XII PC (May Chiropractic)

• Hematology & Oncology Physician in O'Fallon, IL
• Providers in O'Fallon, IL by specialty
• Hematology & Oncology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 12, 2023; 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.