Christina Castelein, RN, MSN
NPI 1952712481 · Family Nurse Practitioner · San Francisco, CA
Christina Castelein, RN, MSN is a Family Nurse Practitioner provider in San Francisco, CA (NPI 1952712481).
Provider details
- NPI number
- 1952712481
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, MSN
- Sex
- Female
- Sole proprietor
- No
- License
- 775389 (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
12 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
- 2014-05-19
- Last updated
- 2014-05-19
Frequently asked questions
- What is Christina Castelein's NPI number?
- Christina Castelein's National Provider Identifier (NPI) is 1952712481, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Castelein's specialty?
- Christina Castelein is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christina Castelein located?
- Christina Castelein's practice location on file with NPPES is 1600 Holloway Ave, San Francisco, CA 94132-1722.
- What is Christina Castelein's phone number?
- The practice phone number listed in the NPPES registry for Christina Castelein is (415) 338-1251.
- Is Christina Castelein's NPI active?
- Yes — Christina Castelein's NPI (1952712481) is active in the NPPES registry as of the last update on 2014-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.