Tammy Lynn Undiemi, FNP-BC

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

73671 Issued in TX

Practice address

2001 N Jefferson Ave Ste 300
Mount Pleasant, TX 75455-2375

Phone

(903) 572-9823

Fax

(903) 572-4812

NPI assigned

May 4, 2019

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in AZ, ID2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Nurse Practitioner

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Boundary Regional Community Health Center Inc 22 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tammy.undiemi.1@32745.direct.athenahealth.com
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Boundary Regional Community Health Center, Inc.

  • Federally Qualified Health Center (FQHC)
  • Priest River, ID
  • NPI 1538447727

  ID, Nurse Practitioner

  Medicare reassignment Care Compare group NPD
• Nextcare Arizona LLC

  • Urgent Care Clinic/Center
  • Tempe, AZ
  • NPI 1043371826

  AZ

  Medicare reassignment NPD
• Boundary Regional Community Health Center, Inc.

  • Federally Qualified Health Center (FQHC)
  • Sandpoint, ID
  • NPI 1316343320
  Care Compare group NPD
• Boundary Regional Community Health Center Inc

  • Federally Qualified Health Center (FQHC)
  • Bonners Ferry, ID
  • NPI 1306883244
  Care Compare group NPD (past)
• Boundary Regional Community Health Center, Inc.

  • Federally Qualified Health Center (FQHC)
  • Sandpoint, ID
  • NPI 1811054877
  Care Compare group
• Boundary Regional Community Health Center Inc

  • Community/Retail Pharmacy
  • Sandpoint, ID
  • NPI 1780349241
  NPD
• Nextcare Arizona I JV LLC

  • Urgent Care Clinic/Center
  • Tempe, AZ
  • NPI 1114798071
  NPD
• Medi Horizons Inc

  • Family Medicine Physician
  • Cheyenne, WY
  • NPI 1003836834
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1556928000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1073178133",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2001 N JEFFERSON AVE STE 300",
            "city": "MOUNT PLEASANT",
            "state": "TX",
            "postal_code": "754552375",
            "telephone_number": "903-572-9823",
            "fax_number": "903-572-4812"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2001 N JEFFERSON AVE STE 300",
            "city": "MOUNT PLEASANT",
            "state": "TX",
            "postal_code": "754552375",
            "telephone_number": "903-572-9823",
            "fax_number": "903-572-4812"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "UNDIEMI",
        "first_name": "TAMMY",
        "middle_name": "LYNN",
        "credential": "FNP-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-05-04",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "TX",
            "license": "73671",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TX",
            "license": "73671",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alban Tomaj
• Jon Stephen Tompkins, D.O.
• Teresa Glenda Townes, CFNP
• Thomas R Troutt, M.D.
• Jhansi Tulasi
• Guadalupe Loredo Valle
• Ashley N Veasley, CFNP
• Rachel Vera
• Rigoberto Villa Jr., CHW
• Vitae Health Medical Texas PLLC

• All providers in Mount Pleasant, TX
• Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.