DR. TANYA HADDADIN DO
NPI 1720722028
Internal Medicine in Los Angeles, CA
About Dr. Tanya Haddadin Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TANYA HADDADIN DO (NPI 1720722028) is an individual internal medicine provider in Los Angeles, California, licensed in California (20A21644) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
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 (PECOS)
Dr. Tanya Haddadin Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tanya Haddadin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 435 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 90059 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
LOS ANGELES, CA 90059
LOS ANGELES, CA 90059
LOS ANGELES, CA 90059
LOS ANGELES, CA 90059
LOS ANGELES, CA 90059
LOS ANGELES, CA 90059
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 Tanya Haddadin's NPI number?
The NPI number for Tanya Haddadin is 1720722028. It was assigned to this individual provider in the NPPES registry on April 22, 2022.
Where is Tanya Haddadin located?
Tanya Haddadin practices at 1731 E 120th St, Los Angeles, CA 90059. The listed phone number is (562) 826-8000.
What is Tanya Haddadin's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tanya Haddadin enrolled in Medicare?
Yes. Tanya Haddadin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tanya Haddadin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tanya Haddadin reassigns Medicare benefits to County Of Los Angeles (Los Angeles, 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 Tanya Haddadin'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 Tanya Haddadin was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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. Tanya Haddadin, DO · NPI 1720722028
Internal Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 22, 2022.
## Identity
- **NPI:** 1720722028 (Entity type: Individual)
- **Enumerated:** April 22, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 20A21644 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1731 E 120TH ST, Los Angeles, CA 90059-3051
- **Phone:** (562) 826-8000
## 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:** County Of Los Angeles (NPI 1780877613, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** June 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1720722028) · Data from the CMS NPPES public registry.