DR. MARIA L CASTILLO M.D.
NPI 1962566489
Obstetrics & Gynecology in San Diego, CA
About Dr. Maria L Castillo M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIA L CASTILLO M.D. (NPI 1962566489) is an individual obstetrics & gynecology provider in San Diego, California, licensed in California (A067938) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Maria L Castillo M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Maria Castillo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 clinicians in this Medicare group
Poway, CA 92064
- Reassigned Medicare billing, California enrollment
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 92123 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Maria Castillo's NPI number?
The NPI number for Maria Castillo is 1962566489. It was assigned to this individual provider in the NPPES registry on December 20, 2006.
Where is Maria Castillo located?
Maria Castillo practices at 7930 Frost St Ste 103, San Diego, CA 92123. The listed phone number is (888) 217-9401.
What is Maria Castillo's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Maria Castillo enrolled in Medicare?
Yes. Maria Castillo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Maria Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Castillo reassigns Medicare benefits to 2 organizations: Emergency And Acute Care Medical Corporation (San Diego, CA) and Drs2c, Inc (Poway, CA). 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 Maria Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Maria Castillo was last updated on May 10, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.