JOHN T WIER FNP
NPI 1851776710
Nurse Practitioner - Family in Oak Ridge, TN
About John T Wier Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN T WIER FNP (NPI 1851776710) is an individual family provider in Oak Ridge, Tennessee, licensed in Tennessee (20071) and active in the NPI registry since July 2015. He has opted out of Medicare through July 1, 2028 and remains eligible to order and refer, maintains a secondary practice location in Knoxville, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
John T Wier Fnp has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2026 through July 1, 2028.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37830 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.
OAK RIDGE, TN 37830
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 John Wier's NPI number?
The NPI number for John Wier is 1851776710. It was assigned to this individual provider in the NPPES registry on July 21, 2015.
Where is John Wier located?
John Wier practices at 800 Oak Ridge Tpke Ste A500, Oak Ridge, TN 37830. The listed phone number is (865) 481-5001.
What is John Wier's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is John Wier enrolled in Medicare?
No. John Wier has opted out of Medicare through July 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
What insurance does John Wier accept?
Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 1 other insurer list John Wier 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 John Wier was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# John T Wier, FNP · NPI 1851776710
Family physician in Oak Ridge, Tennessee. Individual provider, active in the CMS NPPES registry since July 21, 2015.
## Identity
- **NPI:** 1851776710 (Entity type: Individual)
- **Enumerated:** July 21, 2015
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 20071 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 OAK RIDGE TPKE STE A500, Oak Ridge, TN 37830-6950
- **Phone:** (865) 481-5001
## Medicare
- **Medicare:** Opted out of Medicare (opt-out affidavit on file, in effect through July 1, 2028); services are provided under private contract
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** April 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1851776710) · Data from the CMS NPPES public registry.