DR. MARY DAWN DE CASTRO M.D.
NPI 1194947176
Family Medicine in Moreno Valley, CA

Active since May 02, 2007PECOS EnrolledAccepts Medicare Assignment
22675 ALESSANDRO BLVD, MORENO VALLEY, CA 92553(951) 571-2350(951) 571-2370 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Mary Dawn De Castro M.d. NPPES

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

DR. MARY DAWN DE CASTRO M.D. (NPI 1194947176) is an individual family medicine provider in Moreno Valley, California, licensed in California (A99343) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1194947176
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARY DAWN DE CASTROCredential: M.D.
Location Address22675 ALESSANDRO BLVDMoreno Valley, CA 92553-8551
Mailing Address22675 Alessandro BlvdMoreno Valley, CA 92553-8551 · (951) 571-2350 · Fax (951) 571-2370
Fax(951) 571-2370
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateMay 2, 2007
Last NPPES UpdateNovember 29, 2021
✔ NPI 1194947176 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A99343
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
22675 ALESSANDRO BLVD, Moreno Valley, CA 92553

Other Identifiers 5

Other551914CA · Medicare
OtherHAP70865FCA · Pact
OtherZZZ12243ZCA · Medicare Group
OtherEAP70865FCA · Eapc
OtherFHC70865FCA · Medical

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. Mary Dawn De Castro 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.

PECOS PAC ID8224219506
PECOS Enrollment IDI20110218000733
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 Reassignment

Medicare enrollment records show Mary Castro reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
10800 MAGNOLIA AVE
Riverside, CA 92505
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group

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 92553 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
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 12

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

Dentist (General Practice)
22675 ALESSANDRO BLVD
MORENO VALLEY, CA 92553
Social Worker (Clinical)
22675 ALESSANDRO BLVD
MORENO VALLEY, CA 92553
Internal Medicine
22675 ALESSANDRO BLVD
MORENO VALLEY, CA 92553
Nurse Practitioner (Family)
22675 ALESSANDRO BLVD
MORENO VALLEY, CA 92553
Nurse Practitioner (Adult Health)
22675 ALESSANDRO BLVD
MORENO VALLEY, CA 92553
Clinic/Center (Federally Qualified Health Center (FQHC))
22675 ALESSANDRO BLVD
MORENO VALLEY, CA 92553
Dentist
22675 ALESSANDRO BLVD
MORENO VALLEY, CA 92553
Family Medicine
22675 ALESSANDRO BLVD
MORENO VALLEY, CA 92553

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 Mary Castro's NPI number?

The NPI number for Mary Castro is 1194947176. It was assigned to this individual provider in the NPPES registry on May 2, 2007.

Where is Mary Castro located?

Mary Castro practices at 22675 Alessandro Blvd, Moreno Valley, CA 92553. The listed phone number is (951) 571-2350.

What is Mary Castro's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mary Castro enrolled in Medicare?

Yes. Mary Castro 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 organization bills Medicare for Mary Castro's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Castro reassigns Medicare benefits to Southern California Permanente Medical Group (Riverside, CA). The 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 Mary Castro'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 Mary Castro was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.