Kimberly Oja, NP
NPI 1396245064 · Adult Health Nurse Practitioner · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kimberly Oja, NP is a Adult Health Nurse Practitioner provider in Walnut Creek, CA (NPI 1396245064).
Provider details
- NPI number
- 1396245064
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 85124 (NM)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Finasteride | 190 | 69 |
| Mirabegronbrand: Myrbetriq | 151 | 42 |
| Tamsulosin Hcl | 122 | 46 |
| Vibegronbrand: Gemtesa | 104 | 32 |
| Methenamine Hippurate | 85 | 22 |
| Estradiol | 59 | 27 |
| Ciprofloxacin Hcl | 57 | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,866 across 54 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-02-19
- Last updated
- 2025-08-18
- Certified
- 2025-08-18
Frequently asked questions
- What is Kimberly Oja's NPI number?
- Kimberly Oja's National Provider Identifier (NPI) is 1396245064, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kimberly Oja's specialty?
- Kimberly Oja is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kimberly Oja located?
- Kimberly Oja's practice location on file with NPPES is 2637 Shadelands Dr, Walnut Creek, CA 94598-2512.
- What is Kimberly Oja's phone number?
- The practice phone number listed in the NPPES registry for Kimberly Oja is (925) 378-4517.
- Does Kimberly Oja accept Medicare?
- Kimberly Oja is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kimberly Oja's NPI active?
- Yes — Kimberly Oja's NPI (1396245064) is active in the NPPES registry as of the last update on 2025-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.