TAMMY LYNN UNDIEMI FNP-BC
NPI 1073178133
Nurse Practitioner - Family in Mount Pleasant, TX
About Tammy Lynn Undiemi Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY LYNN UNDIEMI FNP-BC (NPI 1073178133) is an individual family provider in Mount Pleasant, Texas, licensed in Texas (73671) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
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
Tammy Lynn Undiemi Fnp-bc 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 Reassignments
3Medicare enrollment records show Tammy Undiemi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Pleasant, TX 75455
- Reassigned Medicare billing, Texas enrollment
- 13 clinicians in this Medicare group
Tempe, AZ 85288
- Reassigned Medicare billing, Arizona enrollment
- 367 clinicians in this Medicare group
Sandpoint, ID 83864
- Reassigned Medicare billing, Idaho enrollment
- 29 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 75455 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNT PLEASANT, TX 75455
MOUNT PLEASANT, TX 75455
MOUNT PLEASANT, TX 75455
MT PLEASANT, TX 75455
MOUNT PLEASANT, TX 75455
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 Tammy Undiemi's NPI number?
The NPI number for Tammy Undiemi is 1073178133. It was assigned to this individual provider in the NPPES registry on May 4, 2019.
Where is Tammy Undiemi located?
Tammy Undiemi practices at 2001 N Jefferson Ave Ste 300, Mount Pleasant, TX 75455. The listed phone number is (903) 572-9823.
What is Tammy Undiemi's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Tammy Undiemi enrolled in Medicare?
Yes. Tammy Undiemi 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 organizations bill Medicare for Tammy Undiemi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Undiemi reassigns Medicare benefits to 3 organizations: The Pediatric Clinic, P.A. (Mount Pleasant, TX), Nextcare Arizona LLC (Tempe, AZ) and Boundary Regional Community Health Center, Inc. (Sandpoint, ID). 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 Tammy Undiemi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Undiemi accept?
Health plans from Ambetter Health, Molina Healthcare and Providence Health Plan list Tammy Undiemi 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 Tammy Undiemi was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.
# Tammy Lynn Undiemi, FNP-BC · NPI 1073178133
Family physician in Mount Pleasant, Texas. Individual provider, active in the CMS NPPES registry since May 4, 2019.
## Identity
- **NPI:** 1073178133 (Entity type: Individual)
- **Enumerated:** May 4, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 73671 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2001 N JEFFERSON AVE STE 300, Mount Pleasant, TX 75455-2375
- **Phone:** (903) 572-9823 · **Fax:** (903) 572-4812
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): The Pediatric Clinic, P.A. (NPI 1821085721, Mount Pleasant, TX); Nextcare Arizona LLC (NPI 1043371826, Tempe, AZ); Boundary Regional Community Health Center, Inc. (NPI 1316343320, Sandpoint, ID) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** October 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1073178133) · Data from the CMS NPPES public registry.