Ilana Withop, NP
NPI 1154374361 · Nurse Practitioner · San Francisco, CA
Ilana Withop, NP is a Nurse Practitioner provider in San Francisco, CA (NPI 1154374361).
Provider details
- NPI number
- 1154374361
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- License
- NP 11701 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-18
- Last updated
- 2025-09-11
Frequently asked questions
- What is Ilana Withop's NPI number?
- Ilana Withop's National Provider Identifier (NPI) is 1154374361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ilana Withop's specialty?
- Ilana Withop is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ilana Withop located?
- Ilana Withop's practice location on file with NPPES is 400 Parnassus Ave, San Francisco, CA 94143-2202.
- What is Ilana Withop's phone number?
- The practice phone number listed in the NPPES registry for Ilana Withop is (415) 353-2771.
- Is Ilana Withop's NPI active?
- Yes — Ilana Withop's NPI (1154374361) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.