NPIMap

Individual provider Active NPI

Osama Altayar, MD

  • Gastroenterology Physician
  • Saint Louis, MO
National Provider Identifier
1831536176
Registry record updated Apr 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
2018004575 Issued in MO
Practice address
1 Barnes Jewish Hospital PLZ
Div Im Gastroenterology
Saint Louis, MO 63110-1003
Phone
(314) 747-2066
Fax
(314) 362-2357
NPI assigned
May 28, 2013
Last updated
Apr 15, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 15, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 2018004575 MO Primary

Addresses

Primary practice location

1 Barnes Jewish Hospital PLZ
Div Im Gastroenterology
Saint Louis, MO 63110-1003

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 747-2066

Other identifiers 1

IdentifierTypeStateIssuer
200064237MedicaidMO

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
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190812001816 MO Practitioner - GastroenterologyPractitioner - Internal Medicine 2466789698 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Other, 2011
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

1044 N Mason Rd
Suite 330
Saint Louis, MO 63141-6689
Phone (314) 362-3500

12634 Olive Blvd
Saint Louis, MO 63141-6337
Phone (314) 996-8000

3015 N Ballas Rd
Saint Louis, MO 63131-2329
Phone (314) 747-2066

4921 Parkview PL
Saint Louis, MO 63110-1032

Hospital & facility affiliations

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
Colonoscopy41
Upper gastrointestinal (GI) endoscopy for acid reflux67

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2018004575MOMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University Past Accepting new patients
Ozarks Medical Center Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: oaltayar158898@direct.carenet.org

Organizations & group practices 3

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.

Hospital & facility affiliations 5

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": "1369699200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744675200000",
    "number": "1831536176",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-747-2066",
            "fax_number": "314-362-2357"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "address_2": "DIV IM GASTROENTEROLOGY",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "314-747-2066",
            "fax_number": "314-362-2357"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALTAYAR",
        "first_name": "OSAMA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-05-28",
        "last_updated": "2025-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MO",
            "license": "2018004575",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200064237",
            "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": "1 Barnes Jewish Hospital Plz",
            "address_2": "Div IM Gastroenterology",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101003",
            "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.