Mark Joseph Fesler, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

2008029015 Issued in MO

Practice address

3655 Vista Ave
Saint Louis, MO 63110-2539

Phone

(314) 977-4340

Fax

(314) 773-1167

NPI assigned

Nov 21, 2006

Last updated

Mar 29, 2021By 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

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in MO

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/OncologyAlso: Hematopoietic Cell Transplantation and Cellular Therapy

Education

Saint Louis University School of Medicine, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Van Amburg and Busiek MDS LLCGroup PAC ID 5294769246, 9 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Lukes Hospital Hospital, Chesterfield, MO, CCN 260179

Merit-based Incentive Payment System (MIPS)

Final score

67.5 of 100Reported as group

Quality

53.06

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

77.87 of 100Reported as individual

Quality

69.04

Improvement activities

40

Cost

50.86

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mfesler217243@direct-ehr-ssmhc.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.

• Van Amburg & Busiek MDS, LLC

  • Hematology & Oncology Physician
  • Chesterfield, MO
  • NPI 1134227473
  Medicare reassignment Care Compare group
• SLH Physicians LLC

  • Emergency Medicine Physician
  • Saint Louis, MO
  • NPI 1881668051
  Medicare reassignment NPD
• Ozarks Medical Center

  dba Ozarks Healthcare

  • General Acute Care Hospital
  • West Plains, MO
  • NPI 1831115641
  NPD (past)
• Khalid Chowdhury MD, PC

  • Facial Plastic Surgery Physician
  • Denver, CO
  • NPI 1457502940
  NPD (past)
• Rocky Mountain Cancer Centers, LLP

  dba Rocky Mountain Cancer Centers-RMCC Longmont

  • Hematology & Oncology Physician
  • Longmont, CO
  • NPI 1538762760
  NPD (past)

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

• St. Lukes Episcopal-Presbyterian Hospital

  dba St. Luke's Hospital

  • General Acute Care Hospital
  • Chesterfield, MO
  • NPI 1346251543
  Care Compare affiliation

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

{
    "created_epoch": "1164067200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1616976000000",
    "number": "1235204066",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3655 VISTA AVE",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631102539",
            "telephone_number": "314-977-4340",
            "fax_number": "314-776-2287"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3655 VISTA AVE",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631102539",
            "telephone_number": "314-977-4340",
            "fax_number": "314-773-1167"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FESLER",
        "first_name": "MARK",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-21",
        "last_updated": "2021-03-29",
        "certification_date": "2021-03-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "43133",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MO",
            "license": "2008029015",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mfesler217243@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "mfesler217243@direct-ehr-ssmhc.com",
            "address_1": "3655 Vista Ave",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631102539",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "3655 Vista Ave",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631102539",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jennifer Danielle Ferris, ACNP
• Kevin Ferris, MSW, LCSW, OSW-C
• Margaret Ashley Ferris, MD
• Patricia Ann Ferrugia, MSW, LCSW
• Katherine Patricia Fesler, CRNA
• Albert James Fessler III, MD
• Jamie Theresa Fessler, MPT
• Matthew Aaron Fessler
• Catherine Alexandra Feuer, PH.D.
• Erin Fey, MS

• Hematology & Oncology Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Hematology & Oncology Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 29, 2021; 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.