Organization Active NPI

Primary Care Associates PC

  • Family Medicine Physician
  • Bartlesville, OK
National Provider Identifier
1275528630
Registry record updated Aug 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
Legal business name
PRIMARY CARE ASSOCIATES PC
Practice address
510 SE Delaware Ave
Bartlesville, OK 74003-3635
Phone
(918) 331-2300
Fax
(918) 331-2399
NPI assigned
Sep 13, 2005
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 13, 2026

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

Authorized official

Name
Cristina Sien
Title
Operations Manager
Phone
(918) 331-2300

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine PhysicianGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 207Q00000X Primary
Pediatrics PhysicianGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 208000000X

Addresses

Primary practice location

510 SE Delaware Ave
Bartlesville, OK 74003-3635

Mailing address

510 SE Delaware Ave
Bartlesville, OK 74003-3635
Phone (918) 331-2300

Other identifiers 1

IdentifierTypeStateIssuer
100747860AMedicaidOK

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OK

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20190131002762 OK Part B Supplier - Clinic/Group Practice 9335486174 Receives reassigned benefits from 5 practitioners
Practice locations: Bartlesville, OK

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
37D0965504Primary Care Associates, PC510 SE Delaware Ave, Bartlesville, OK 74003Provider-performed microscopyJan 21, 2028

National Provider Directory

National Provider Directory

Locations

510 SE Delaware Ave
Bartlesville, OK 74003

4150 SE Adams Rd
Bartlesville, OK 74006
Phone (918) 331-9979

1120 S Utica Ave
Ste 3074
Tulsa, OK 74104
Phone (918) 579-7100

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/3862/brand/1/csg/1/fhir/r4
  • FHIR API: https://api.platform.athenahealth.com/21171/brand/1/csg/1/fhir/r4

Practitioners & affiliated clinicians

Practitioners 10

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1126569600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786579200000",
    "number": "1275528630",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "510 SE DELAWARE AVE",
            "city": "BARTLESVILLE",
            "state": "OK",
            "postal_code": "740033635",
            "telephone_number": "918-331-2300",
            "fax_number": "918-331-2399"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "510 SE DELAWARE AVE",
            "city": "BARTLESVILLE",
            "state": "OK",
            "postal_code": "740033635",
            "telephone_number": "918-331-2300",
            "fax_number": "918-331-2399"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PRIMARY CARE ASSOCIATES PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-09-13",
        "last_updated": "2026-08-13",
        "certification_date": "2026-08-13",
        "status": "A",
        "authorized_official_last_name": "SIEN",
        "authorized_official_first_name": "CRISTINA",
        "authorized_official_title_or_position": "OPERATIONS MANAGER",
        "authorized_official_telephone_number": "918-331-2300"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Pediatrics",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100747860A",
            "state": "OK"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Bartlesville, OK

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.