NPPES file of Aug 9, 2026

Therese Lynette Merrill, FNP-C

Nurse Practitioner · McKinney, TX

Therese Lynette Merrill, FNP-C is a nurse practitioner with a practice address in McKinney, Texas, and NPI 1255898466, issued on Feb 24, 2019. Check the license (Texas AP140768, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255898466
Name
Therese Lynette Merrill
Credential
FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
AP140768 TX
Self-reported in NPPES; status is on the state search
Practice location
5830 Collin Mckinney Pkwy Ste 302, McKinney, TX 75070
Phone
(214) 272-2774
Enumerated
Feb 24, 2019
Record last updated
Nov 1, 2023
Medicaid ID
403090001 TX
Medicare enrollment
Enrolled (PECOS I20190522001555); may accept Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5830 Collin Mckinney Pkwy Ste 302

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kelly Lenhart, AGACNP-BCNurse Practitioner1659919389
  2. Cody Walker, FNP-BCFamily Nurse Practitioner1063391480

Verify Therese Lynette Merrill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license AP140768
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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60% fewer Medicare Part D claims than the average nurse practitioner in 2024

448 Medicare Part D claims for 56 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Therese Merrill448
  2. Specialty average1,109

Most prescribed

  1. Losartan Potassium59 claims
  2. Spironolactone51 claims
  3. Amlodipine Besylate35 claims
  4. Carvedilol26 claims
  5. Lisinopril24 claims
  6. Mirtazapine20 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Cardio And Renal Therapeutics OF North Texas PLLCMcKinney, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Therese Lynette Merrill among 4,825 nurse practitioner records in Texas

Therese Lynette Merrill, FNP-C is one of 4,825 nurse practitioner records with a practice address in Texas. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 55% of them.

  • NPI issued2019 · 55% of these records are older, 38% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2018 · median 2018 among the 2,618 with a school on file
  • Record last updated2023 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Texas

There are 4,825 nurse practitioner records in Texas.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Georgette Ebuh, DNP- FNP-CMcKinney, TX 750701104330737
  2. Swapna Joseph, NPMcKinney, TX 750701871179069
  3. Kelly Lenhart, AGACNP-BCMcKinney, TX 750701659919389
  4. Kala Sugathan, DNP, AGNP - CMcKinney, TX 750701558890632
  5. Jennifer Wilson, FNPMcKinney, TX 750701629583679
  6. Victoria Acker, FNP-CMcKinney, TX 750691366200529
  7. Joan Anukam, FNPMcKinney, TX 750711013382373
  8. Elizabeth Atchason, MSN.FNPMcKinney, TX 750711255374153

Common questions

What is Therese Lynette Merrill, FNP-C's NPI number?

Therese Lynette Merrill, FNP-C's National Provider Identifier (NPI) is 1255898466, issued on Feb 24, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Therese Lynette Merrill, FNP-C located?

The NPPES record lists a practice address at 5830 Collin Mckinney Pkwy Ste 302, McKinney, TX, 75070. Phone: (214) 272-2774. Providers update this record themselves, so call before visiting.

How can I verify Therese Lynette Merrill, FNP-C's license?

NPPES lists Texas license number AP140768, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Therese Lynette Merrill, FNP-C prescribe under Medicare Part D?

In 2024, Therese Lynette Merrill, FNP-C had 448 Medicare Part D claims for 56 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Therese Lynette Merrill, FNP-C's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.