MARY SERBIN FNP-BC
NPI 1083125827
Nurse Practitioner - Family in Morristown, TN
About Mary Serbin Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY SERBIN FNP-BC (NPI 1083125827) is an individual family provider in Morristown, Tennessee, licensed in Tennessee (APN0000023003) and active in the NPI registry since October 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Morristown.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Serbin Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Mary Serbin reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Morristown, TN 37814
- Reassigned Medicare billing, Tennessee enrollment
- 10 clinicians in this Medicare group
Knoxville, TN 37932
- Reassigned Medicare billing, Tennessee enrollment
- 504 clinicians in this Medicare group
Mount Juliet, TN 37122
- Reassigned Medicare billing, Tennessee enrollment
- 16 clinicians in this Medicare group
Mount Juliet, TN 37122
- Reassigned Medicare billing, Tennessee enrollment
- 30 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 37813 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 Mary Serbin's NPI number?
The NPI number for Mary Serbin is 1083125827. It was assigned to this individual provider in the NPPES registry on October 19, 2017.
Where is Mary Serbin located?
Mary Serbin practices at 300 Boyd School Rd, Morristown, TN 37813. The listed phone number is (423) 587-3407.
What is Mary Serbin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mary Serbin enrolled in Medicare?
Yes. Mary Serbin is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Serbin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Serbin reassigns Medicare benefits to 4 organizations: Us Diabetes Care And Surgical Specialty Of Morristown Tn (Morristown, TN), Covenant Medical Group, Inc. (Knoxville, TN), Mobile Wound Care Services - Southeast PC (Mount Juliet, TN) and Regional Healthcare Group LLC (Mount Juliet, TN). 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 Mary Serbin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Serbin was last updated on June 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.