Individual provider Active NPI

Alan Zajarias, MD

  • Interventional Cardiology Physician
  • Saint Louis, MO
National Provider Identifier
1679696579
Registry record updated Sep 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Interventional Cardiology PhysicianTaxonomy code 207RI0011X
License
2003015187 Issued in MO
Practice address
4921 Parkview PL
Div Im Cardiology, Ste 8B
Saint Louis, MO 63110-1032
Phone
(314) 362-1291
Fax
(314) 362-4278
NPI assigned
Apr 8, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 15, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 2003015187 MO
Interventional Cardiology Physician 207RI0011X 2003015187 MO Primary

Addresses

Primary practice location

4921 Parkview PL
Div Im Cardiology, Ste 8B
Saint Louis, MO 63110-1032

Mailing address

660 S Euclid Ave
Saint Louis, MO 63110-1010
Phone (314) 362-1291

Other practice location 1

915 N Grand Blvd
Saint Louis, MO 63106-1621
Phone (314) 652-4100

Other identifiers 1

IdentifierTypeStateIssuer
200566602MedicaidMO

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20070625000047 MO Practitioner - Interventional CardiologyPractitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 9739288291 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Interventional CardiologyAlso: Cardiovascular Disease (Cardiology)
Education
Other, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

1 Barnes Jew Hosp PLZ
Saint Louis, MO 63110-1003
Phone (314) 747-3000

1020 N Mason Rd
Saint Louis, MO 63141-6300

4921 Parkview PL
Saint Louis, MO 63110-1032

Hospital & facility affiliations

  • Barnes Jewish Hospital Hospital, Saint Louis, MO, CCN 260032
  • Barnes-Jewish West County Hospital Hospital, Creve Coeur, MO, CCN 260162
  • Memorial Hospital Hospital, Belleville, IL, CCN 140185
  • Christian Hospital Northeast Hospital, Saint Louis, MO, CCN 260180
  • Anderson Hospital Hospital, Maryville, IL, CCN 140289

Merit-based Incentive Payment System (MIPS)

Final score
84.2 of 100Reported as group
Quality
71.6
Promoting interoperability
100
Improvement activities
40
Cost
75.75

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary angioplasty and stenting20

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
2003015187MOMDInterventional Cardiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Heart Care Institute LLC CurrentSince Mar 1, 2016 Accepting new patients
Washington University CurrentSince Nov 21, 2018 Accepting new patients
Washington University CurrentSince Nov 21, 2018 Accepting new patients
Ozarks Medical Center Past Accepting new patients

Locations

4921 Parkview Pl
Ste A
Saint Louis, MO 63110
Phone (314) 362-7145

1 Barnes Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-9170

660 S Euclid Ave
#8015
Saint Louis, MO 63110
Phone (314) 286-1018

660 S Euclid Ave
Saint Louis, MO 63110

4921 Parkview Pl
Ste 8A
Saint Louis, MO 63110
Phone (314) 362-7841

660 S Euclid Ave
#C
Saint Louis, MO 63110

1020 N Mason Rd
Ste 210
Saint Louis, MO 63141
Phone (314) 996-3162

660 S Euclid Ave
#8086
Saint Louis, MO 63110
Phone (314) 362-1120

8 Millstone Campus Dr
Saint Louis, MO 63146
Phone (314) 273-4375

4921 Parkview Pl
Ste 8B
Saint Louis, MO 63110
Phone (314) 454-8917

915 N Grand Blvd
Saint Louis, MO 63106
Phone (314) 289-6434

Interoperability endpoints

  • Direct secure messaging: azajarias154157@direct.carenet.org

Organizations & group practices 4

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.

Hospital & facility affiliations 6

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

NPI Registry JSON

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

{
    "created_epoch": "1175990400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1679696579",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "660 S EUCLID AVE",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101010",
            "telephone_number": "314-362-1291",
            "fax_number": "314-362-4278"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4921 PARKVIEW PL",
            "address_2": "DIV IM CARDIOLOGY, STE 8B",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101032",
            "telephone_number": "314-362-1291",
            "fax_number": "314-362-4278"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "915 N Grand Blvd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631061621",
            "country_code": "US",
            "telephone_number": "314-652-4100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZAJARIAS",
        "first_name": "ALAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-08",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MO",
            "license": "2003015187",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "MO",
            "license": "2003015187",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200566602",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "4921 Parkview Pl",
            "address_2": "Div IM Cardiology, Ste 8B",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101032",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.