SARAH JEWEL MCMACKIN FNP-BC
NPI 1639596349
Nurse Practitioner - Family in Johnson City, TN
About Sarah Jewel Mcmackin Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH JEWEL MCMACKIN FNP-BC (NPI 1639596349) is an individual family provider in Johnson City, Tennessee, licensed in Tennessee (18576) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Sarah Jewel Mcmackin Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Sarah Mcmackin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Johnson City, TN 37604
- Reassigned Medicare billing, Tennessee enrollment
- 67 clinicians in this Medicare group
Johnson City, TN 37604
- Reassigned Medicare billing, Tennessee enrollment
- 284 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 37604 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JOHNSON CITY, TN 37604
JOHNSON CITY, TN 37604
JOHNSON CITY, TN 37604
JOHNSON CITY, TN 37604
JOHNSON CITY, TN 37604
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 Sarah Mcmackin's NPI number?
The NPI number for Sarah Mcmackin is 1639596349. It was assigned to this individual provider in the NPPES registry on March 20, 2014.
Where is Sarah Mcmackin located?
Sarah Mcmackin practices at 400 N State Of Franklin Rd, Johnson City, TN 37604. The listed phone number is (423) 431-6561.
What is Sarah Mcmackin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Sarah Mcmackin enrolled in Medicare?
Yes. Sarah Mcmackin is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sarah Mcmackin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Mcmackin reassigns Medicare benefits to 2 organizations: Tri-Cities Observation Services, PC (Johnson City, TN) and Tri-Cities Regional Emergency Physicians, PC (Johnson City, 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 Sarah Mcmackin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Mcmackin accept?
Health plans from Oscar Health and Oscar Insurance Company list Sarah Mcmackin 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 Sarah Mcmackin was last updated on August 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.