DR. HADEEL G.N.M. ALLAM MD
NPI 1639789837
Pediatrics - Pediatric Cardiology in San Diego, CA
About Dr. Hadeel G.n.m. Allam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HADEEL G.N.M. ALLAM MD (NPI 1639789837) is an individual pediatric cardiology provider in San Diego, California, licensed in California (A206657) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Hadeel G.n.m. Allam Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Hadeel Allam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 562 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.
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
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 Hadeel Allam's NPI number?
The NPI number for Hadeel Allam is 1639789837. It was assigned to this individual provider in the NPPES registry on August 3, 2020.
Where is Hadeel Allam located?
Hadeel Allam practices at 3020 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 966-5855.
What is Hadeel Allam's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Hadeel Allam enrolled in Medicare?
Yes. Hadeel Allam is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Hadeel Allam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hadeel Allam reassigns Medicare benefits to Rady Children's Hospital San Diego (San Diego, 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 Hadeel Allam'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 Hadeel Allam was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# Dr. Hadeel G.n.m. Allam, MD · NPI 1639789837
Pediatric Cardiology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since August 3, 2020.
## Identity
- **NPI:** 1639789837 (Entity type: Individual)
- **Enumerated:** August 3, 2020
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** A206657 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3020 CHILDRENS WAY, San Diego, CA 92123-4223
- **Phone:** (858) 966-5855
## 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:** Rady Children's Hospital San Diego (NPI 1669617197, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** June 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1639789837) · Data from the CMS NPPES public registry.