HAYAT MOUSA MD
NPI 1821083338
Pediatrics - Pediatric Gastroenterology in San Diego, CA
About Hayat Mousa Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HAYAT MOUSA MD (NPI 1821083338) is an individual pediatric gastroenterology provider in San Diego, California, licensed in California (C 137969) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Hayat Mousa Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Hayat Mousa reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Childrens Health Care Associates Inc
- 1,225 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 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
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 Hayat Mousa's NPI number?
The NPI number for Hayat Mousa is 1821083338. It was assigned to this individual provider in the NPPES registry on September 12, 2005.
Where is Hayat Mousa located?
Hayat Mousa practices at 8110 Birmingham Way, San Diego, CA 92123. The listed phone number is (858) 966-4003.
What is Hayat Mousa's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Hayat Mousa enrolled in Medicare?
Yes. Hayat Mousa is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Hayat Mousa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hayat Mousa reassigns Medicare benefits to Children's Health Care Associates (Philadelphia, PA). 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 Hayat Mousa'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 Hayat Mousa was last updated on May 3, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Hayat Mousa, MD · NPI 1821083338
Pediatric Gastroenterology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since September 12, 2005.
## Identity
- **NPI:** 1821083338 (Entity type: Individual)
- **Enumerated:** September 12, 2005
- **Primary specialty:** Pediatrics - Pediatric Gastroenterology · taxonomy 2080P0206X
- **State license:** C 137969 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 8110 BIRMINGHAM WAY, San Diego, CA 92123-2758
- **Phone:** (858) 966-4003
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Children's Health Care Associates (NPI 1619062668, Philadelphia, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 3, 2017
- **Other identifiers:** Other MO0890502 (OH); Medicaid 0932772 (OH); Medicaid 0108724000 (WV); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1821083338) · Data from the CMS NPPES public registry.