FRANCINE MARIEL TUNGPALAN CASTILLO
NPI 1871233809
Dermatology in San Francisco, CA

Q: What is Francine Mariel Castillo's NPI number?

The NPI number for Francine Mariel Castillo is 1871233809. It was assigned to this individual provider in the NPPES registry on March 29, 2022. The provider is also known as Francine Castillo.

Q: What is Francine Mariel Castillo's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Active since March 29, 2022PECOS Enrolled

1701 DIVISADERO ST FL 4, SAN FRANCISCO, CA 94115(415) 353-7800 Get Directions Write a Review

NPPES record last updated: June 5, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Francine Mariel Tungpalan Castillo NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

FRANCINE MARIEL TUNGPALAN CASTILLO (NPI 1871233809) is an individual dermatology provider in San Francisco, California, licensed in California (A189038) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of University Of California, San Francisco School Of Medicine (2022).

NPPES Registry Identity

NPI1871233809

Entity TypeIndividualFemale

Primary Taxonomy207N00000X

Provider Legal NameFRANCINE MARIEL TUNGPALAN CASTILLO

Location Address1701 DIVISADERO ST FL 4San Francisco, CA 94115-3011

Mailing Address2425 Geary BlvdSan Francisco, CA 94115-3358

Phone(415) 353-7800

Sole ProprietorNo

Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2022

Enumeration DateMarch 29, 2022

Last NPPES UpdateJune 5, 2026

NPPES CertifiedJune 5, 2026

✔ NPI 1871233809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

License✔ Licensed in CA · A189038

Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

1701 DIVISADERO ST FL 4, San Francisco, CA 94115

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Other Names 1

Other Name (5)Francine Castillo

Secondary Practice Location 1

Location 12425 Geary BlvdSan Francisco, CA 94115-3358 · Phone (415) 833-6345

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Francine Mariel Tungpalan Castillo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID42730889

PECOS Enrollment IDI20260630003872

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Francine Mariel Castillo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco

1.8 mi

Surgery

400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
5,645 clinicians in this Medicare group

NPI 1346329380 (415) 353-2161

Ucsf Medical Group Business Services

1.8 mi

Internal Medicine

400 PARNASSUS AVE
San Francisco, CA 94122

Reassigned Medicare billing, California enrollment
5,544 clinicians in this Medicare group

NPI 1477624104 (415) 353-2808

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. AYAN KUSARI MD

Dermatology