Katherine Hylan, NP
NPI 1538516240 · Nurse Practitioner · Oceanside, CA
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Hylan, NP is a Nurse Practitioner provider in Oceanside, CA (NPI 1538516240).
Provider details
- NPI number
- 1538516240
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 95005707 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-23
- Last updated
- 2019-12-04
Frequently asked questions
- What is Katherine Hylan's NPI number?
- Katherine Hylan's National Provider Identifier (NPI) is 1538516240, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Hylan's specialty?
- Katherine Hylan is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Hylan located?
- Katherine Hylan's practice location on file with NPPES is 4629 Calle De Casitas, Oceanside, CA 92057-5211.
- What is Katherine Hylan's phone number?
- The practice phone number listed in the NPPES registry for Katherine Hylan is (760) 736-6703.
- Does Katherine Hylan accept Medicare?
- Katherine Hylan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Hylan's NPI active?
- Yes — Katherine Hylan's NPI (1538516240) is active in the NPPES registry as of the last update on 2019-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.