Kimberly Dionne Oja, NP

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

85124 Issued in NM

Practice address

2637 Shadelands Dr
Walnut Creek, CA 94598-2512

Phone

(925) 378-4517

Fax

(925) 273-7255

NPI assigned

Feb 19, 2018

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, NM2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Nurse Practitioner

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

St Vincent HospitalGroup PAC ID 6608775135, 335 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Christus St Vincent Regional Medical Center Hospital, Santa Fe, NM, CCN 320002
• Los Alamos Medical Center Hospital, Los Alamos, NM, CCN 320033

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: koja637913@christushealth.direct-ci.net

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.

• St Vincent Hospital

  • Pediatrics Physician
  • Santa Fe, NM
  • NPI 1063367803
  Medicare reassignment Care Compare group
• Bass Medical Group

  • Obstetrics & Gynecology Physician
  • Walnut Creek, CA
  • NPI 1174253405
  Medicare reassignment NPD
• Bass Medical Group

  • Orthopaedic Surgery Physician
  • San Ramon, CA
  • NPI 1467329904
  NPD
• Bass Medical Group

  • Podiatrist
  • Walnut Creek, CA
  • NPI 1811479504
  NPD
• St. Vincent Hospital

  • Family Medicine Physician
  • Santa Fe, NM
  • NPI 1245438647
  NPD
• Bass Medical Group

  • Specialist
  • Walnut Creek, CA
  • NPI 1154401941
  NPD (past)
• Taos Health Systems, Inc., Holy Cross Hospital

  • Critical Access Hospital
  • Taos, NM
  • NPI 1902338049
  NPD (past)

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

• PHC-Los Alamos Inc

  • Rural Acute Care Hospital
  • Los Alamos, NM
  • NPI 1285701623
  Care Compare affiliation
• St Vincent Hospital

  • General Acute Care Hospital
  • Santa Fe, NM
  • NPI 1578587150
  Care Compare affiliation

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

{
    "created_epoch": "1518998400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1396245064",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2637 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-378-4517",
            "fax_number": "925-273-7255"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2637 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-378-4517",
            "fax_number": "925-273-7255"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OJA",
        "first_name": "KIMBERLY",
        "middle_name": "DIONNE",
        "name_prefix": "Ms.",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-02-19",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "NM",
            "license": "85124",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tighe Roderick Ohanrahan, MD
• Keiko Ohashi
• Grace Ndidi Ohwobete
• Joanne Okeoghene Ohwobete
• Madison Oiler
• Adrian Ojeda
• Anahi Ojeda
• Tessie A Okamura, M.D.
• Naomi Okawa, RN,IBCLC
• Mark Okawachi, PA-C

• Adult Health Nurse Practitioner in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Adult Health Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 2025; 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.