MARY SERBIN FNP-BC
NPI 1083125827
Nurse Practitioner - Family in Morristown, TN

Active since October 19, 2017PECOS Enrolled
300 BOYD SCHOOL RD, MORRISTOWN, TN 37813(423) 587-3407(423) 587-3405 Get Directions Write a Review

NPPES record last updated: June 24, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 24, 2020, Mar 17, 2018, Feb 12, 2018 and 1 more (4 updates tracked since 2017).

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

NPI1083125827
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARY SERBINCredential: FNP-BC
Location Address300 BOYD SCHOOL RDMorristown, TN 37813-1401
Mailing Address300 Boyd School RdMorristown, TN 37813-1401 · (423) 587-3407 · Fax (423) 587-3405
Fax(423) 587-3405
Sole ProprietorNo
Enumeration DateOctober 19, 2017
Last NPPES UpdateJune 24, 20204 updates tracked since enumeration
NPPES CertifiedJune 24, 2020
✔ NPI 1083125827 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TN · APN0000023003
300 BOYD SCHOOL RD, Morristown, TN 37813

Secondary Practice Location 1

Location 11111 Watercrest StMorristown, TN 37814-3837 · Phone (423) 581-4100

Other Identifiers 1

MedicaidQ033915TN

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare 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.

Family Medicine
2231 SANDSTONE DRIVE
Morristown, TN 37814
  • Reassigned Medicare billing, Tennessee enrollment
  • 10 clinicians in this Medicare group
Family Medicine
1420 CENTERPOINT BLVD
Knoxville, TN 37932
  • Reassigned Medicare billing, Tennessee enrollment
  • 504 clinicians in this Medicare group
Specialist
2099 N MOUNT JULIET RD STE 7
Mount Juliet, TN 37122
  • Reassigned Medicare billing, Tennessee enrollment
  • 16 clinicians in this Medicare group
Acute Care
2099 N MOUNT JULIET RD
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.

New Patient
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
300 BOYD SCHOOL RD
MORRISTOWN, TN 37813

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.