DR. ERIC NATHANIEL STEWART M.D.
NPI 1780070490
Internal Medicine in Anchorage, AK
About Dr. Eric Nathaniel Stewart M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIC NATHANIEL STEWART M.D. (NPI 1780070490) is an individual internal medicine provider in Anchorage, Alaska, licensed in Alaska (134965) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses 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
Dr. Eric Nathaniel Stewart M.d. 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 Reassignment
Medicare enrollment records show Eric Stewart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Anchorage, AK 99508
- Reassigned Medicare billing, Texas enrollment
- 1,373 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 4
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 99508 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
ANCHORAGE, AK 99508
ANCHORAGE, AK 99508
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 Eric Stewart's NPI number?
The NPI number for Eric Stewart is 1780070490. It was assigned to this individual provider in the NPPES registry on April 9, 2015.
Where is Eric Stewart located?
Eric Stewart practices at 4315 Diplomacy Dr, Anchorage, AK 99508. The listed phone number is (907) 729-2188.
What is Eric Stewart's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Eric Stewart enrolled in Medicare?
Yes. Eric Stewart 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 organization bills Medicare for Eric Stewart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Stewart reassigns Medicare benefits to Alaska Native Tribal Health Consortium (Anchorage, AK). 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 Eric Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Stewart accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Eric Stewart 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 Eric Stewart was last updated on September 14, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Eric Nathaniel Stewart, M.D. · NPI 1780070490
Internal Medicine physician in Anchorage, Alaska. Individual provider, active in the CMS NPPES registry since April 9, 2015.
## Identity
- **NPI:** 1780070490 (Entity type: Individual)
- **Enumerated:** April 9, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 134965 (Alaska)
- **Sole proprietor:** No
## Practice location
- **Address:** 4315 DIPLOMACY DR, Anchorage, AK 99508-5926
- **Phone:** (907) 729-2188
## 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:** Alaska Native Tribal Health Consortium (NPI 1437189339, Anchorage, AK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** September 14, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1780070490) · Data from the CMS NPPES public registry.