DEMSAS G,HAWARIAT ABAY MD
NPI 1720312390
Internal Medicine in Peoria, AZ
About Demsas G,hawariat Abay Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEMSAS G,HAWARIAT ABAY MD (NPI 1720312390) is an individual internal medicine provider in Peoria, Arizona, licensed in Arizona (46567) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
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
Demsas G,hawariat Abay 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
4Medicare enrollment records show Demsas Abay reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Peoria, AZ 85381
- Reassigned Medicare billing, Arizona enrollment
- 97 clinicians in this Medicare group
Vancouver, WA 98664
- Reassigned Medicare billing, Washington enrollment
- 915 clinicians in this Medicare group
Spokane Valley, WA 99037
- Reassigned Medicare billing, Washington enrollment
- 4,383 clinicians in this Medicare group
Renton, WA 98057
- Reassigned Medicare billing, Washington enrollment
- 2,678 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 6
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 85381 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 2
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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Demsas Abay's NPI number?
The NPI number for Demsas Abay is 1720312390. It was assigned to this individual provider in the NPPES registry on September 29, 2009. The provider is also known as Demsas Ghebrehawariat Abbay MD.
Where is Demsas Abay located?
Demsas Abay practices at 13350 N 94th Dr Ste A101, Peoria, AZ 85381. The listed phone number is (623) 974-1500.
What is Demsas Abay's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Demsas Abay enrolled in Medicare?
Yes. Demsas Abay 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 Demsas Abay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Demsas Abay reassigns Medicare benefits to 4 organizations: Dvma, LLC (Peoria, AZ), South Sound Inpatient Physicians PLLC (Vancouver, WA), Multicare Health System (Spokane Valley, WA) and Kaiser Foundation Health Plan Of Washington (Renton, WA). 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 Demsas Abay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Demsas Abay accept?
Health plans from Cigna HealthCare of Arizona, Inc list Demsas Abay 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 Demsas Abay was last updated on August 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Demsas G,hawariat Abay, MD · NPI 1720312390
Internal Medicine physician in Peoria, Arizona. Individual provider, active in the CMS NPPES registry since September 29, 2009.
## Identity
- **NPI:** 1720312390 (Entity type: Individual)
- **Enumerated:** September 29, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 46567 (Arizona)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 13350 N 94TH DR STE A101, Peoria, AZ 85381-4826
- **Phone:** (623) 974-1500 · **Fax:** (623) 933-3383
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Dvma, LLC (NPI 1194893800, Peoria, AZ); South Sound Inpatient Physicians PLLC (NPI 1023285756, Vancouver, WA); Multicare Health System (NPI 1336902345, Spokane Valley, WA); Kaiser Foundation Health Plan Of Washington (NPI 1124264577, Renton, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** August 2, 2021
- **Other identifiers:** Other 0050WS (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1720312390) · Data from the CMS NPPES public registry.