JANET ELIZABETH GUYER M.D.
NPI 1003900549
Family Medicine in Mountainburg, AR
About Janet Elizabeth Guyer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JANET ELIZABETH GUYER M.D. (NPI 1003900549) is an individual family medicine provider in Mountainburg, Arkansas, licensed in Arkansas (E-0666) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1994).
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
Janet Elizabeth Guyer 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 Janet Guyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fort Smith, AR 72904
- Reassigned Medicare billing, Arkansas enrollment
- 42 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 72946 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
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 Janet Guyer's NPI number?
The NPI number for Janet Guyer is 1003900549. It was assigned to this individual provider in the NPPES registry on October 2, 2006.
Where is Janet Guyer located?
Janet Guyer practices at #4 Hwy 71 NE, Mountainburg, AR 72946. The listed phone number is (479) 369-2091.
What is Janet Guyer's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Janet Guyer enrolled in Medicare?
Yes. Janet Guyer 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 Janet Guyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Janet Guyer reassigns Medicare benefits to River Valley Primary Care Services (Fort Smith, AR). 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 Janet Guyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Janet Guyer accept?
Health plans from Health Advantage and Octave list Janet Guyer 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 Janet Guyer was last updated on April 25, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Janet Elizabeth Guyer, M.D. · NPI 1003900549
Family Medicine physician in Mountainburg, Arkansas. Individual provider, active in the CMS NPPES registry since October 2, 2006.
## Identity
- **NPI:** 1003900549 (Entity type: Individual)
- **Enumerated:** October 2, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** E-0666 (Arkansas)
- **Sole proprietor:** No
## Practice location
- **Address:** #4 HWY 71 NE, Mountainburg, AR 72946
- **Phone:** (479) 369-2091 · **Fax:** (479) 369-4119
## 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:** River Valley Primary Care Services (NPI 1023163193, Fort Smith, AR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** April 25, 2017
- **Other identifiers:** Medicare PIN 5J874; Medicaid 131896001 (AR)
---
Source: [NPI Profile](https://npiprofile.com/npi/1003900549) · Data from the CMS NPPES public registry.