DR. ZACHARY EWAN DEWAR M.D.
NPI 1093160541
Emergency Medicine in Sayre, PA
About Dr. Zachary Ewan Dewar M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ZACHARY EWAN DEWAR M.D. (NPI 1093160541) is an individual emergency medicine provider in Sayre, Pennsylvania, licensed in Pennsylvania (MT212259) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Zachary Ewan Dewar M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Zachary Dewar reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sayre, PA 18840
- Reassigned Medicare billing, Pennsylvania enrollment
- Also billed through NPI 1134734528 (Pennsylvania)
- 84 clinicians in this Medicare group
Athens, PA 18810
- Reassigned Medicare billing, Pennsylvania and New York enrollments
- Medicare enrollment name: Guthrie Medical Group PC
- Also billed through NPI 1245246644 (New York)
- 830 clinicians in this Medicare group
Troy, PA 16947
- Reassigned Medicare billing, Pennsylvania enrollment
- 62 clinicians in this Medicare group
Corning, NY 14830
- Reassigned Medicare billing, New York enrollment
- 72 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 3
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 18840 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.
SAYRE, PA 18840
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 Zachary Dewar's NPI number?
The NPI number for Zachary Dewar is 1093160541. It was assigned to this individual provider in the NPPES registry on May 3, 2016.
Where is Zachary Dewar located?
Zachary Dewar practices at 1 Guthrie Sq, Sayre, PA 18840. The listed phone number is (570) 887-3381.
What is Zachary Dewar's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Zachary Dewar enrolled in Medicare?
Yes. Zachary Dewar is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Zachary Dewar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Dewar reassigns Medicare benefits to 4 organizations: Robert Packer Hospital (Sayre, PA), Guthrie Medical Group, P.C. (Athens, PA), Troy Community Hospital Incorporated (Troy, PA) and Corning Hospital (Corning, NY). 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 Zachary Dewar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zachary Dewar accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Zachary Dewar 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 Zachary Dewar was last updated on March 4, 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.
# Dr. Zachary Ewan Dewar, M.D. · NPI 1093160541
Emergency Medicine physician in Sayre, Pennsylvania. Individual provider, active in the CMS NPPES registry since May 3, 2016.
## Identity
- **NPI:** 1093160541 (Entity type: Individual)
- **Enumerated:** May 3, 2016
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MT212259 (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 GUTHRIE SQ, Sayre, PA 18840-1625
- **Phone:** (570) 887-3381
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Robert Packer Hospital (NPI 1083614382, Sayre, PA); Guthrie Medical Group, P.C. (NPI 1962451153, Athens, PA); Troy Community Hospital Incorporated (NPI 1306847926, Troy, PA); Corning Hospital (NPI 1346241973, Corning, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 4, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1093160541) · Data from the CMS NPPES public registry.