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Nurse Practitioner

Tammy K. Littlefield, NP

Sees patients in Seguin, TX · New Braunfels, TX · Texas

Summary

Tammy K. Littlefield, NP is a nurse practitioner at PO Box, Suite 1516, Seguin, TX 78156. May accept Medicare assignment. In 2024, Tammy K. Littlefield had 90 Original Medicare patients and 4,154 services. NPI 1811697873. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: PO Box, Suite 1516, Seguin, TX 78156 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • School: graduated 2022
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Tammy K. Littlefield, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Tammy K. Littlefield accept Medicare assignment?
Medicare's clinician data says Tammy K. Littlefield may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Tammy K. Littlefield see?
In 2024, CMS data shows 90 Original Medicare patients and 4,154 services for Tammy K. Littlefield. This counts Original Medicare only and measures volume, not quality.
What is Tammy K. Littlefield's NPI number?
1811697873. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Tammy K. Littlefield, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients90
Services billed to Medicare4,154
Different services or procedures21
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Membrane graft or membrane wrap, per square centimeter (Q4205)1,990 services
  2. Dual layer impax membrane, per square centimeter (Q4262)536 services
  3. Removal of skin and tissue, 20.0 sq cm or less (11042)218 services
  4. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)147 services
  5. Application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less (15271)127 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis62%
  • Atrial fibrillation57%
  • Heart failure56%
  • Diabetes50%

Practice locations

Addresses where Tammy K. Littlefield is enrolled with Medicare (CMS data updated October 2, 2026).

  • PO Box, Suite 1516Seguin, TX 78156
  • PO Box, Suite 310674New Braunfels, TX 78131

Specialties

Find other clinicians: Nurse Practitioner, Texas →

Other nurse practitioners in Seguin

Clinicians with the same Medicare primary specialty in Seguin, TX — not a recommendation.

All nurse practitioners in Seguin →

Clinician information

CredentialNP
Graduation year2022
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1811697873
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians