Doctor profile · Federal record

Dr. Kimberly Oja, NP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Walnut Creek, CA

  • NPI 1396245064
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2637 Shadelands Dr
Walnut Creek, CA 945982512
(925) 378-4517
fax (925) 273-7255

Credentials & registration

NPPES · NUCC
NPI registered
February 2018 — 8 yrs on file
Profile last updated
August 18, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
New Mexico #85124

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396245064. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,866
Transactions
47
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Bluewind Medical 4 $334.62
Janssen Biotech, INC. 6 $215.53
Procept BioRobotics Corporation 3 $190.80
Astellas Pharma US INC 2 $152.85
Merck Sharp & Dohme LLC 4 $134.06
Blue Earth Diagnostics Limited 4 $108.41
Abbvie INC. 4 $87.57
Telix Pharmaceuticals 5 $83.49
Sumitomo Pharma America, INC. 3 $79.84
Pfizer INC. 3 $75.45
Immunitybio, INC. 2 $68.12
Urogen Pharma, INC. 2 $51.30
Bayer Healthcare Pharmaceuticals INC. 2 $49.75
Boston Scientific Corporation 2 $42.43
Antares Pharma, INC. 1 $31.87

By nature of payment

Food and Beverage
$1,866

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
953
Patients
321
Total drug cost
$268,268
Drug Type Claims Patients Total cost
Myrbetriq (Mirabegron) Brand 191 43 $157,341
Finasteride Generic 134 51 $2,657
Tamsulosin Hcl Generic 99 33 $2,245
Gemtesa (Vibegron) Brand 78 17 $64,155
Methenamine Hippurate Generic 57 16 $8,512
Oxybutynin Chloride ER (Oxybutynin Chloride) Brand 50 18 $1,630
Ciprofloxacin Hcl Generic 46 35 $294
Estradiol Generic 46 22 $8,415
Testosterone Generic 46 11 $13,946
Allopurinol Generic 43 14 $765

Frequently asked questions

Auto-generated from federal data
What is Dr. Kimberly Oja's medical specialty?
Dr. Kimberly Oja practices Adult Health Nurse Practitioner in Walnut Creek, CA.
Where does Dr. Kimberly Oja practice?
Dr. Kimberly Oja practices at 2637 Shadelands Dr, Walnut Creek, CA 945982512. Office phone: 9253784517.
What is Dr. Kimberly Oja's NPI?
Dr. Kimberly Oja's National Provider Identifier (NPI) is 1396245064, issued by NPPES.
Does Dr. Kimberly Oja accept Medicare assignment?
Yes. Dr. Kimberly Oja accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.