Hanz De Leon, NP
NPI 1538808779 · Nurse Practitioner · Palo Alto, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hanz De Leon, NP is a Nurse Practitioner provider in Palo Alto, CA (NPI 1538808779).
Provider details
- NPI number
- 1538808779
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95021176 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
4 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
- 2022-06-03
- Last updated
- 2022-10-04
- Certified
- 2022-10-04
Frequently asked questions
- What is Hanz De Leon's NPI number?
- Hanz De Leon's National Provider Identifier (NPI) is 1538808779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hanz De Leon's specialty?
- Hanz De Leon is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Hanz De Leon located?
- Hanz De Leon's practice location on file with NPPES is 300 Pasteur Dr, Palo Alto, CA 94305-2200.
- What is Hanz De Leon's phone number?
- The practice phone number listed in the NPPES registry for Hanz De Leon is (650) 724-7500.
- Does Hanz De Leon accept Medicare?
- Hanz De Leon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hanz De Leon's NPI active?
- Yes — Hanz De Leon's NPI (1538808779) is active in the NPPES registry as of the last update on 2022-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.