NASSER HAJAIG MD
NPI 1457324204
Internal Medicine in Phoenix, AZ
About Nasser Hajaig Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NASSER HAJAIG MD (NPI 1457324204) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (25018) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
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
Nasser Hajaig Md 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
5Medicare enrollment records show Nasser Hajaig reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85022
- Reassigned Medicare billing, Arizona enrollment
- Medicare enrollment name: Teris Health Services LLC
- 36 clinicians in this Medicare group
Glendale, AZ 85301
- Reassigned Medicare billing, Arizona enrollment
- 2 clinicians in this Medicare group
Phoenix, AZ 85013
- Reassigned Medicare billing, Arizona enrollment
- 49 clinicians in this Medicare group
Phoenix, AZ 85034
- Reassigned Medicare billing, Arizona enrollment
- 43 clinicians in this Medicare group
Goodyear, AZ 85338
- Reassigned Medicare billing, Arizona enrollment
- 2 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85027 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHOENIX, AZ 85027
PHOENIX, AZ 85027
PHOENIX, AZ 85027
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 Nasser Hajaig's NPI number?
The NPI number for Nasser Hajaig is 1457324204. It was assigned to this individual provider in the NPPES registry on February 10, 2006.
Where is Nasser Hajaig located?
Nasser Hajaig practices at 19646 N 27th Ave Suite 1301, Phoenix, AZ 85027. The listed phone number is (623) 580-5390.
What is Nasser Hajaig's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Nasser Hajaig enrolled in Medicare?
Yes. Nasser Hajaig 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 Nasser Hajaig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nasser Hajaig reassigns Medicare benefits to 5 organizations: Teri's Health Services (Phoenix, AZ), Forward Care Family Practice, PLLC (Glendale, AZ), Circle The City (Phoenix, AZ), American Current Care Of Arizona PA (Phoenix, AZ) and Optimal Mens Center PLLC (Goodyear, AZ). 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 Nasser Hajaig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nasser Hajaig accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas and Imperial Insurance Companies, Inc. and 1 other insurer list Nasser Hajaig as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Nasser Hajaig was last updated on February 3, 2022. 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.
# Nasser Hajaig, MD · NPI 1457324204
Internal Medicine physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since February 10, 2006.
## Identity
- **NPI:** 1457324204 (Entity type: Individual)
- **Enumerated:** February 10, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 25018 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 19646 N 27TH AVE, SUITE 1301, Phoenix, AZ 85027-4017
- **Phone:** (623) 580-5390 · **Fax:** (623) 580-5397
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Teri's Health Services (NPI 1790374833, Phoenix, AZ); Forward Care Family Practice, PLLC (NPI 1205435880, Glendale, AZ); Circle The City (NPI 1346588316, Phoenix, AZ); American Current Care Of Arizona PA (NPI 1780873307, Phoenix, AZ); Optimal Mens Center PLLC (NPI 1811535974, Goodyear, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** February 3, 2022
- **Other identifiers:** Medicaid 387044 (AZ); Other 21043 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1457324204) · Data from the CMS NPPES public registry.