Tammy Kay Littlefield, FNP-C
Family Nurse Practitioner · Seguin, TX
Tammy Kay Littlefield, FNP-C is a family nurse practitioner with a practice address in Seguin, Texas, and NPI 1811697873, issued on Mar 8, 2023. Check the license (Texas 1112407, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tammy Kay Littlefield
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 1112407 TX
Self-reported in NPPES; status is on the state search - Practice location
- 122 S Moss St, Seguin, TX 78155
- Phone
- (888) 341-4334
- Enumerated
- Mar 8, 2023
- Record last updated
- Jun 11, 2026
- Fax
- (346) 971-4676
- Medicare enrollment
- Enrolled (PECOS I20230412001820); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 122 S Moss St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Helen Ross, BC-HISHearing Instrument Specialist1346465671
- Amy Trost, BC-HISHearing Instrument Specialist1205915089
Verify Tammy Kay Littlefield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 1112407Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family nurse practitioner in 2024
161 Medicare Part D claims for 40 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Doxycycline Hyclate24 claims
- Santyl15 claims
- Carvedilol11 claims
- Furosemide11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $26.27
1 payment: food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Tammy Kay Littlefield among 21,242 family nurse practitioner records in Texas
Tammy Kay Littlefield, FNP-C is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.
- NPI issued2023 · 80% of these records are older, 14% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2022 · median 2018 among the 11,286 with a school on file
- Record last updated2026 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 family nurse practitioner records list a practice address in Seguin
They are 15 of the 427 NPPES records with a practice address in Seguin, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Seguin → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kirsten Adams, FNPSeguin, TX 781551629485511
- Holly Batterton, APNPSeguin, TX 781551114794377
- Jennifer Cirilo, FNP-CSeguin, TX 781551093487613
- Kendel Gonzalez, NPSeguin, TX 781551629767710
- Mary Juliar, APRN, FNP-CSeguin, TX 781551982084414
- Amanda Lacy, FNPSeguin, TX 781551255996104
- Dawn Olynyk-Katan, FNP-CSeguin, TX 781551730673781
- Samantha Sandersen, NPSeguin, TX 781551780454702
Common questions
What is Tammy Kay Littlefield, FNP-C's NPI number?
Tammy Kay Littlefield, FNP-C's National Provider Identifier (NPI) is 1811697873, issued on Mar 8, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Tammy Kay Littlefield, FNP-C located?
The NPPES record lists a practice address at 122 S Moss St, Seguin, TX, 78155. Phone: (888) 341-4334. Providers update this record themselves, so call before visiting.
How can I verify Tammy Kay Littlefield, FNP-C's license?
NPPES lists Texas license number 1112407, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Tammy Kay Littlefield, FNP-C prescribe under Medicare Part D?
In 2024, Tammy Kay Littlefield, FNP-C had 161 Medicare Part D claims for 40 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.