Armin Krvavac, M.D.

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

2015018687 Issued in MO

Practice address

621 S New Ballas Rd Ste 228a
Saint Louis, MO 63141-8256

Phone

(314) 251-4966

Fax

(314) 251-4588

NPI assigned

Jun 21, 2012

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

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

Critical Care (Intensivists)Also: Pulmonary Disease

Education

University of Missouri, Columbia School of Medicine, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The Curators of the University of MissouriGroup PAC ID 4486759560, 1,108 clinicians

Mercy Aco Clinical Services IncGroup PAC ID 6901188572, 159 clinicians

Mercy Clinic Adult Critical Care LLCGroup PAC ID 3779512041, 59 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Hospital St Louis Hospital, Saint Louis, MO, CCN 260020
• Mercy Hospital Jefferson Hospital, Crystal City, MO, CCN 260023

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: akrvavac236743@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 and National Provider Directory roles.

• Mercy Aco Clinical Services Inc

  • Neurology Physician
  • Chesterfield, MO
  • NPI 1063965093
  Medicare reassignment Care Compare group NPD
• Mercy Clinic Adult Critical Care, LLC

  • Critical Care Medicine (Internal Medicine) Physician
  • Saint Louis, MO
  • NPI 1730119421
  Medicare reassignment Care Compare group NPD
• The Curators of the University of Missouri

  • Multi-Specialty Clinic/Center
  • Columbia, MO
  • NPI 1235126921
  Medicare reassignment Care Compare group NPD
• SSM Health Care Group

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1306589544
  Medicare reassignment NPD
• Curators of the University of Missouri

  • Durable Medical Equipment & Medical Supplies
  • Columbia, MO
  • NPI 1356963201
  NPD
• SSM Health Care Group

  • Dermatopathology Physician
  • Saint Louis, MO
  • NPI 1932844495
  NPD
• Mercy Hospitals East Communities

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1427098169
  NPD (past)

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

• Mercy Hospital Jefferson

  • General Acute Care Hospital
  • Festus, MO
  • NPI 1508859661
  Care Compare affiliation
• Mercy Hospitals East Communities

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1427098169
  Care Compare affiliation
• Mercy Hospitals East Communities

  • Land Ambulance
  • Saint Louis, MO
  • NPI 1881329902

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1340236800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1134482490",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "621 S NEW BALLAS RD STE 228A",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418256",
            "telephone_number": "314-251-4966",
            "fax_number": "314-251-4588"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "621 S NEW BALLAS RD STE 228A",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418256",
            "telephone_number": "314-251-4966",
            "fax_number": "314-251-4588"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1400 US Highway 61",
            "address_purpose": "LOCATION",
            "city": "Crystal Cty",
            "state": "MO",
            "postal_code": "630284108",
            "country_code": "US",
            "telephone_number": "636-933-5337",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "15740 S Outer 40 Rd",
            "address_purpose": "LOCATION",
            "city": "Chesterfield",
            "state": "MO",
            "postal_code": "630172004",
            "country_code": "US",
            "telephone_number": "636-237-4700",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KRVAVAC",
        "first_name": "ARMIN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-06-21",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "MO",
            "license": "2015018687",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MO",
            "license": "2015018687",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katie Melissa Krus, DPT, LAT
• Jody Louise Kruse, WHNP-BC
• Katherine Kruse
• Kristin McLain Krussel, DC
• Iza Kruszczak, SLP
• Kilannin Cathleen Krysiak, PHD, FACMG
• Lisa L Krystosek, LPC
• Irena Kuan
• Jon Kuanfung
• Sarah C. Kubasta

• Critical Care Medicine (Internal Medicine) Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Critical Care Medicine (Internal Medicine) Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 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.