JACK LARSEN
NPI 1972063444
Family Medicine in Johnson City, TN
About Jack Larsen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JACK LARSEN (NPI 1972063444) is an individual family medicine provider in Johnson City, Tennessee, licensed in Tennessee (63135) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 1
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
Jack Larsen 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 Jack Larsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Johnson City, TN 37604
- Reassigned Medicare billing, Tennessee enrollment
- 341 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
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 Jack Larsen's NPI number?
The NPI number for Jack Larsen is 1972063444. It was assigned to this individual provider in the NPPES registry on March 21, 2019.
Where is Jack Larsen located?
Jack Larsen practices at 917 W Walnut St, Johnson City, TN 37604. The listed phone number is (423) 439-6464.
What is Jack Larsen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jack Larsen enrolled in Medicare?
Yes. Jack Larsen 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 Jack Larsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jack Larsen reassigns Medicare benefits to Medical Education Assistance Corporation (Johnson City, TN). 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 Jack Larsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jack Larsen accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 2 other insurers list Jack Larsen 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 Jack Larsen was last updated on January 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.