Sandra Lopez Miller, FNP-C
Nurse Practitioner · Seguin, TX
Sandra Lopez Miller, FNP-C is a nurse practitioner with a practice address in Seguin, Texas, and NPI 1346022597, issued on Oct 20, 2023. Check the license (Texas 1140066, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sandra Lopez Miller
- Credential
- FNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 1140066 TX
880673 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3415 Old Spanish Trl, Seguin, TX 78155
- Phone
- (830) 491-7907
- Enumerated
- Oct 20, 2023
- Record last updated
- Oct 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20240629000050); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,825 in Texas → Look up another NPI →
Verify Sandra Lopez Miller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 1140066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average nurse practitioner in 2024
196 Medicare Part D claims for 134 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. 12 claims were for opioids.
Most prescribed
- Prednisone28 claims
- Naproxen21 claims
- Cephalexin18 claims
- Ondansetron Odt16 claims
- Tramadol Hcl11 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
- Emergency Medicine Services OF TX, PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sandra Lopez Miller among 4,825 nurse practitioner records in Texas
Sandra Lopez Miller, 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 2023, is newer than 82% of them.
- NPI issued2023 · 82% of these records are older, 12% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2023 · 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).
10 nurse practitioner records list a practice address in Seguin
They are 10 of the 427 NPPES records with a practice address in Seguin, and 4,825 nurse practitioner records in Texas.
All 4,825 in Texas → Every provider in Seguin → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Janelle Block, NPSeguin, TX 781551538368535
- Joshua CainSeguin, TX 781551669364824
- Cassy Carroll-Schronk, FNP-CSeguin, TX 781551891379178
- Lisa Deboer, FNPSeguin, TX 781551144548603
- Shayna Frizzell, AGACNP-BCSeguin, TX 781551396558177
- Elisabeth Hudson, FNPSeguin, TX 781551457920142
- Logan Jahns, FNPSeguin, TX 781551649040577
- Cassandra Schiller, APRN, FNP-CSeguin, TX 781551083389712
Common questions
What is Sandra Lopez Miller, FNP-C's NPI number?
Sandra Lopez Miller, FNP-C's National Provider Identifier (NPI) is 1346022597, issued on Oct 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Lopez Miller, FNP-C located?
The NPPES record lists a practice address at 3415 Old Spanish Trl, Seguin, TX, 78155. Phone: (830) 491-7907. Providers update this record themselves, so call before visiting.
How can I verify Sandra Lopez Miller, FNP-C's license?
NPPES lists Texas license number 1140066, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Sandra Lopez Miller, FNP-C prescribe under Medicare Part D?
In 2024, Sandra Lopez Miller, FNP-C had 196 Medicare Part D claims for 134 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.