ANDREA L ALLYN M.D.
NPI 1851363733
Internal Medicine in Seneca, SC
About Andrea L Allyn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREA L ALLYN M.D. (NPI 1851363733) is an individual internal medicine provider in Seneca, South Carolina, licensed in South Carolina (30703) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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)
Andrea L Allyn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Andrea Allyn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Roswell, GA 30076
- Reassigned Medicare billing, Georgia enrollment
- 3,885 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29678 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 10
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 Andrea Allyn's NPI number?
The NPI number for Andrea Allyn is 1851363733. It was assigned to this individual provider in the NPPES registry on February 3, 2006.
Where is Andrea Allyn located?
Andrea Allyn practices at 10110 Clemson Blvd, Seneca, SC 29678. The listed phone number is (864) 482-0500.
What is Andrea Allyn's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Andrea Allyn enrolled in Medicare?
Yes. Andrea Allyn is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Andrea Allyn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Allyn reassigns Medicare benefits to Wellstar Medical Group, LLC (Roswell, GA). 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 Andrea Allyn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrea Allyn accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list Andrea Allyn 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 Andrea Allyn was last updated on July 23, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.