Sarah Mertz, FNP
Family Nurse Practitioner · Melissa, TX
Sarah Mertz, FNP is a family nurse practitioner with a practice address in Melissa, Texas, and NPI 1316418635, issued on Dec 14, 2018. Check the license (Texas AP139433, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Mertz
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP139433 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3591 Mckinney St Ste 400, Melissa, TX 75454
- Phone
- (972) 464-1611
- Enumerated
- Dec 14, 2018
- Record last updated
- Mar 30, 2026
- Fax
- (972) 913-6216
- Medicare enrollment
- Enrolled (PECOS I20190516002674); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 3591 Mckinney St Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Fairbanks, NPFamily Nurse Practitioner1780169953
- Jaime Gamboa, FNPNurse Practitioner1134631542
- Erin Smith, FNP-CFamily Nurse Practitioner1699238303
- Ryan Wolford, NPNurse Practitioner1396245320
Verify Sarah Mertz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP139433Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family nurse practitioner in 2024
82 Medicare Part D claims for 47 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone18 claims
- Azithromycin12 claims
- Amoxicillin-Clavulanate Potass11 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.
Bills Medicare through one group practice
- Communitymed PLLCMelissa, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Mertz among 21,242 family nurse practitioner records in Texas
Sarah Mertz, FNP 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 2018, is newer than 42% of them.
- NPI issued2018 · 42% of these records are older, 50% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2018 · 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).
14 family nurse practitioner records list a practice address in Melissa
They are 14 of the 136 NPPES records with a practice address in Melissa, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Melissa → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Asnakew AyalewMelissa, TX 754541407614753
- Jennifer Blaylock, NPMelissa, TX 754541235457631
- Michele Blum, FNP-CMelissa, TX 754541053910877
- James BogonkoMelissa, TX 754541841140316
- Lauren Fairbanks, NPMelissa, TX 754541780169953
- Ewa Hasiec, FNP-BCMelissa, TX 754541568345593
- Kerri Haziri, APRNMelissa, TX 754541932548062
- Claire Heers, FNPMelissa, TX 754541659106573
Common questions
What is Sarah Mertz, FNP's NPI number?
Sarah Mertz, FNP's National Provider Identifier (NPI) is 1316418635, issued on Dec 14, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Mertz, FNP located?
The NPPES record lists a practice address at 3591 Mckinney St Ste 400, Melissa, TX, 75454. Phone: (972) 464-1611. Providers update this record themselves, so call before visiting.
How can I verify Sarah Mertz, FNP's license?
NPPES lists Texas license number AP139433, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Mertz, FNP prescribe under Medicare Part D?
In 2024, Sarah Mertz, FNP had 82 Medicare Part D claims for 47 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.