Margaret Leisz, FNP
NPI 1326581331 · Family Nurse Practitioner · Sonoma, CA
Margaret Leisz, FNP is a Family Nurse Practitioner provider in Sonoma, CA (NPI 1326581331).
Provider details
- NPI number
- 1326581331
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 392076 (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
9 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
- 2016-11-22
- Last updated
- 2016-11-22
Frequently asked questions
- What is Margaret Leisz's NPI number?
- Margaret Leisz's National Provider Identifier (NPI) is 1326581331, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Leisz's specialty?
- Margaret Leisz is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Leisz located?
- Margaret Leisz's practice location on file with NPPES is 181 Andrieux St, Sonoma, CA 95476-6932.
- What is Margaret Leisz's phone number?
- The practice phone number listed in the NPPES registry for Margaret Leisz is (707) 933-0500.
- Is Margaret Leisz's NPI active?
- Yes — Margaret Leisz's NPI (1326581331) is active in the NPPES registry as of the last update on 2016-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.