NPIMap

Individual provider Active NPI

Tammy A O'Brien, M.D.

  • Family Medicine Physician
  • Cedar Rapids, IA
National Provider Identifier
1184703571
Registry record updated Jul 25, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
31465 Issued in IA
Practice address
500 8TH Ave SE
Cedar Rapids, IA 52401-2134
Phone
(319) 364-8704
Fax
(319) 365-7747
NPI assigned
Nov 4, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 25, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 31465 IA Primary

Addresses

Primary practice location

500 8TH Ave SE
Cedar Rapids, IA 52401-2134

Mailing address

500 8TH Ave SE
Cedar Rapids, IA 52401-2134
Phone (319) 364-8704

Other identifiers 2

IdentifierTypeStateIssuer
1170308MedicaidIA
42808OtherIABLUE CROSS BLUE SHIELD

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address tammy.obrienmd.p1@direct.fms.nextgenshare.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA
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
I20100302000679 IA Practitioner - Family Practice 3971403866 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of Iowa, RJ & L Carver College of Medicine, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Progressive Rehabilitation Associates LLCGroup PAC ID 2961443072, 275 clinicians
Family Medicine Specialists PCGroup PAC ID 3779482633, 7 clinicians

Practice addresses (Care Compare)

1130 S Scott Blvd
Suite 1
Iowa City, IA 52240-2909
Phone (319) 354-2429

500 8TH Ave SE
Cedar Rapids, IA 52401-2134
Phone (319) 364-8704

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
31465IAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Family Medicine Specialists, P.C. Family Medicine CurrentSince Sep 1, 1997 Accepting new patients
St Luke's Methodist Hospital Past Accepting new patients
Mercy Medical Center Past Accepting new patients

Locations

500 8th Ave SE
Cedar Rapids, IA 52401
Phone (319) 364-8704

Interoperability endpoints

  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
  • Direct secure messaging: tammy.obrienmd.p1@direct.fms.nextgenshare.com

Organizations & group practices 5

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 2

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": "1162598400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1690243200000",
    "number": "1184703571",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 8TH AVE SE",
            "city": "CEDAR RAPIDS",
            "state": "IA",
            "postal_code": "524012134",
            "telephone_number": "319-364-8704",
            "fax_number": "319-365-7747"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 8TH AVE SE",
            "city": "CEDAR RAPIDS",
            "state": "IA",
            "postal_code": "524012134",
            "telephone_number": "319-364-8704",
            "fax_number": "319-365-7747"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "TAMMY",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-04",
        "last_updated": "2023-07-25",
        "certification_date": "2023-07-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IA",
            "license": "31465",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1170308",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "42808",
            "state": "IA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tammy.obrienmd.p1@direct.fms.nextgenshare.com",
            "affiliation": "N",
            "address_1": "500 8th Ave SE",
            "city": "Cedar Rapids",
            "state": "IA",
            "country_code": "US",
            "postal_code": "524012134",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Cedar Rapids, IA

Sources for this page

Verify at the official NPI Registry.