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CAROLINA CASTILLO
NPI 1386843787
Marriage & Family Therapist in Oakland, CA

Active since July 16, 2007PECOS Enrolled
300 FRANK H OGAWA PLZ, STE 175, OAKLAND, CA 94612(510) 451-0661 Get Directions Write a Review

NPPES record last updated: July 16, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Carolina Castillo NPPES

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

CAROLINA CASTILLO (NPI 1386843787) is an individual marriage & family therapist in Oakland, California, licensed in California (MFC33703) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1386843787
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameCAROLINA CASTILLO
Location Address300 FRANK H OGAWA PLZ, STE 175Oakland, CA 94612-2037
Mailing Address430 N WildwoodHercules, CA 94547 · (510) 469-4090
Phone(510) 451-0661
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 16, 2007
✔ NPI 1386843787 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · MFC33703
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
300 FRANK H OGAWA PLZ, Oakland, CA 94612
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

PECOS PAC ID8921448861
PECOS Enrollment IDI20260514003817
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

2

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

Grow Healthcare Group PC
39 mi
Mental Health
99 S ALMADEN BLVD STE 600
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 3,139 clinicians in this Medicare group
NPI 1154994846 (408) 402-4385
Grow Healthcare Group PA
2,587 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,424 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

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

Other Providers at the Same Location NPPES 6

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

GREGG SHERMAN HYMAN D.M.D.
Dentist
300 FRANK H OGAWA PLZ, SUITE 100
OAKLAND, CA 94612
Alameda County (510) 444-3000
SHARON ADLER MD,MPH
Preventive Medicine (Public Health & General Preventive Medicine)
300 FRANK H OGAWA PLZ, SUITE 520, CAPTC
OAKLAND, CA 94612
Alameda County (510) 625-6029
DR. JOHN THEODORE BURNS D.M.D.
Dentist
300 FRANK H OGAWA PLZ, SUITE 100
OAKLAND, CA 94612
Alameda County (510) 763-6300
DORIS CHEUNG MPA, PA-C
Physician Assistant
300 FRANK H OGAWA PLZ, SUITE 450
OAKLAND, CA 94612
Alameda County (510) 444-3297
DR. EARL MICHAEL DARBY MD
Internal Medicine (Gastroenterology)
300 FRANK H OGAWA PLZ, SUITE 450
OAKLAND, CA 94612
Alameda County (510) 444-3297
SEAN L. BULLARD D.D.S.
Dentist (General Practice)
300 FRANK H OGAWA PLZ, SUITE 100
OAKLAND, CA 94612
Alameda County (510) 763-6300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Carolina Castillo's NPI number?

The NPI number for Carolina Castillo is 1386843787. It was assigned to this individual provider in the NPPES registry on July 16, 2007.

Where is Carolina Castillo located?

Carolina Castillo practices at 300 Frank H Ogawa Plz Ste 175, Oakland, CA 94612. The listed phone number is (510) 451-0661.

What is Carolina Castillo's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Carolina Castillo enrolled in Medicare?

Yes. Carolina Castillo is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Carolina Castillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carolina Castillo reassigns Medicare benefits to 2 organizations: Grow Healthcare Group PC (San Jose, CA) and Grow Healthcare Group PA (Miami, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carolina Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carolina Castillo accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Carolina Castillo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Carolina Castillo was last updated on July 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.