Kathryn Doyle, FNP
NPI 1538332325 · Family Nurse Practitioner · Brea, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Doyle, FNP is a Family Nurse Practitioner provider in Brea, CA (NPI 1538332325).
Provider details
- NPI number
- 1538332325
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 17240 (CA)
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 tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 23 | 23 |
| Atorvastatin Calcium | 21 | — |
| Losartan Potassium | 17 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 15 | 14 |
| Hydrochlorothiazide | 14 | — |
| Omeprazole | 13 | — |
| Lisinopril | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-11
- Last updated
- 2008-04-11
Frequently asked questions
- What is Kathryn Doyle's NPI number?
- Kathryn Doyle's National Provider Identifier (NPI) is 1538332325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Doyle's specialty?
- Kathryn Doyle is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Doyle located?
- Kathryn Doyle's practice location on file with NPPES is 925 Carlson Dr, Brea, CA 92821-2210.
- What is Kathryn Doyle's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Doyle is (714) 257-0443.
- Does Kathryn Doyle accept Medicare?
- Kathryn Doyle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Doyle's NPI active?
- Yes — Kathryn Doyle's NPI (1538332325) is active in the NPPES registry as of the last update on 2008-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.