Christina Castelein
RN, MSNExplore health coverage in CA
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A simple overview of this provider's main area of care.
Care Category
Advanced Practice Clinicians
Provider Type
Physician Assistants & Advanced Practice Nursing Providers
Primary Specialty
Family Nurse Practitioner
Registry identifiers, classification, and the primary practice record.
- NPI Number
- 1952712481
- Provider Type
- Individual Practitioner
- Gender
- Female
- NPI Record Status
- Active NPI record
- Credential
- RN, MSN
- Primary Specialty
- Physician Assistants & Advanced Practice Nursing Providers - Family Nurse Practitioner
- Specialty Registry Code
- 363LF0000X
- License Number
- 775389
- Primary Practice Address
- 1600 Holloway AVE, Student Health Services
- City, State ZIP
- San Francisco, CA 94132
- Practice Phone
- (415) 338-1251
- Record Updated
- July 15, 2026
- Source
- NPPES NPI Registry
Public registry data is a starting point. Confirm these details directly before a visit.
- Whether the provider is accepting new patients
- Your exact plan and network participation
- Current hours, telehealth, and accessibility
- Referral or prior-authorization requirements
Christina Castelein is listed in the National Provider Identifier registry as a physician assistants & advanced practice nursing providers - family nurse practitioner provider in San Francisco, CA.
The public record lists a practice address at 1600 Holloway AVE, Student Health Services, San Francisco, CA 94132. Call (415) 338-1251 to confirm current scheduling details, or use the directions link above to locate the office.
If you plan to see this provider, confirm that the practice accepts your exact plan and participates in the applicable network before scheduling. Coverage details vary by plan, and our coverage flow can connect you with plan information in CA.
This public record was updated on July 15, 2026. Provider information can change between registry updates, so please confirm details directly with the practice before scheduling.
Christina Castelein
1600 Holloway AVE, Student Health Services, San Francisco, CA 94132
General guidance about physician assistants & advanced practice nursing providers - family nurse practitioner care in San Francisco, CA; it does not confirm services offered by this provider.
What a Physician Assistants & Advanced Practice Nursing Providers - Family Nurse Practitioner provider does
Family medicine providers care for patients of all ages — from infants to seniors. They provide preventive care, treat acute illnesses, manage chronic conditions, and serve as a first point of contact for most health concerns. Many family practitioners also offer pediatric care, women’s health services, and minor in-office procedures.
Common conditions treated
Family medicine providers treat a wide range of conditions including high blood pressure, diabetes, high cholesterol, asthma, allergies, sinus and ear infections, sprains and strains, urinary tract infections, depression, and anxiety. They also provide well-child exams and adult physicals.
Common reasons to schedule a visit
Patients typically see a family medicine provider for annual physicals, vaccinations, sick visits, sports and school physicals, chronic disease management (such as diabetes or high blood pressure), and routine screenings.
What to expect during a visit
A typical family medicine visit includes a review of your health history, vitals, an age-appropriate examination, and time to discuss any concerns. Your provider may order lab work, recommend vaccines, or suggest follow-up appointments.
Insurance coverage considerations
Most health insurance plans cover preventive services at no cost when you see an in-network provider. Use our quote tool to compare plans and confirm this provider is in your network.
How to choose the right physician assistants & advanced practice nursing providers - family nurse practitioner provider in San Francisco
A good family medicine provider offers continuity of care across every life stage, from childhood immunizations to senior screenings. Consider their office location, after-hours availability, and whether they treat every member of your household.
Exploring coverage before you schedule? Compare options, then confirm this provider's participation directly with the plan and office. Get options in CA →
Insurance acceptance not listed
The public NPI registry does not include insurance acceptance data. Contact the office directly to ask if they accept your insurance plan. You can also explore coverage options in CA, then verify network participation directly.
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Common questions about Christina Castelein in San Francisco, CA.
How do I make an appointment with Christina Castelein?
Call Christina Castelein directly at the San Francisco office to ask about appointments.
Does Christina Castelein accept insurance?
Provider insurance information is not included in the public NPI registry data that powers this directory. Contact the office directly to ask whether they accept your specific insurance plan. You can also explore health coverage options in CA.
What are the office hours for Christina Castelein in San Francisco?
Office hours for Christina Castelein in San Francisco are not currently published. Call the practice directly to confirm hours before your visit.
Is parking available at Christina Castelein's San Francisco location?
Parking and accessibility information is not included in the public NPI record. Call Christina Castelein in San Francisco before visiting to ask about parking, entrances, elevators, and other accommodations.
Does Christina Castelein offer telehealth?
Telehealth availability is not listed in this public profile. Contact Christina Castelein to ask whether virtual visits are offered and whether telehealth is appropriate for your needs.
What ages of patients does Christina Castelein see?
Family medicine providers typically see patients from infants through older adults. Call Christina Castelein in San Francisco to confirm the age range currently accepted.
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Claim ProfileData is sourced from publicly available records. Public records do not confirm active license status, quality of care, insurance acceptance, or network participation. Please verify details directly with the provider before scheduling. Record updated July 15, 2026.