Susan Altavas Sia, FNP-BC
Nurse Practitioner · Weslaco, TX
Susan Altavas Sia, FNP-BC is a nurse practitioner with a practice address in Weslaco, Texas, and NPI 1174839609, issued on Aug 21, 2010. Check the license (Texas 683271, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Susan Altavas Sia
- Credential
- FNP-BC
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 683271 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1401 E 8TH St, Weslaco, TX 78596
- Phone
- (956) 969-5300
- Enumerated
- Aug 21, 2010
- Record last updated
- Apr 3, 2023
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,825 in Texas → Look up another NPI →
Also registered at 1401 E 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Susan Altavas Sia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 683271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average nurse practitioner in 2024
178 Medicare Part D claims for 128 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Acetaminophen-Codeine34 claims
- Cephalexin15 claims
- Ondansetron Hcl14 claims
- Prednisone14 claims
- Cyclobenzaprine Hcl11 claims
- Doxycycline Hyclate11 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.
Susan Altavas Sia among 4,825 nurse practitioner records in Texas
Susan Altavas Sia, FNP-BC 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 2010, is newer than 22% of them.
- NPI issued2010 · 22% of these records are older, 76% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- 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).
11 nurse practitioner records list a practice address in Weslaco
They are 11 of the 775 NPPES records with a practice address in Weslaco, and 4,825 nurse practitioner records in Texas.
All 4,825 in Texas → Every provider in Weslaco → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Anthony Del Genovese, NP-C , DCWeslaco, TX 785961649270455
- Maria Garcia, NPWeslaco, TX 785961114116738
- Juana Gomez, FNPWeslaco, TX 785961215695572
- Linda Herrera, FNPWeslaco, TX 785961417474503
- Margareth Libiran, NURSE PRACTIONERWeslaco, TX 785961326344987
- Tommie Lightsey, APRNWeslaco, TX 785961588849566
- Elizabeth Mills-Reyes, MD, FNPWeslaco, TX 785961144593138
- Carlos Molina, CNPWeslaco, TX 785961629930474
Common questions
What is Susan Altavas Sia, FNP-BC's NPI number?
Susan Altavas Sia, FNP-BC's National Provider Identifier (NPI) is 1174839609, issued on Aug 21, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Susan Altavas Sia, FNP-BC located?
The NPPES record lists a practice address at 1401 E 8TH St, Weslaco, TX, 78596. Phone: (956) 969-5300. Providers update this record themselves, so call before visiting.
How can I verify Susan Altavas Sia, FNP-BC's license?
NPPES lists Texas license number 683271, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Susan Altavas Sia, FNP-BC prescribe under Medicare Part D?
In 2024, Susan Altavas Sia, FNP-BC had 178 Medicare Part D claims for 128 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.