Jacalyn C. Siver, P.A.-C
Physician Assistant · Lake Jackson, TX
Jacalyn C. Siver, P.A.-C is a physician assistant with a practice address in Lake Jackson, Texas, and NPI 1013912609, issued on Jun 20, 2005. Check the license (Texas PA05248, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jacalyn C. Siver
- Credential
- P.A.-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA05248 TX
359 SD
Self-reported in NPPES; status is on the state search - Practice location
- 219 Oak Dr S Ste A, Lake Jackson, TX 77566
- Phone
- (979) 297-4033
- Enumerated
- Jun 20, 2005
- Record last updated
- Feb 21, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140204001364); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Also registered at 219 Oak Dr S Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Schaubroeck, AGNPAdult Health Nurse Practitioner1598178998
- William Sweatt, M.D.Gastroenterology Physician1255330445
Verify Jacalyn C. Siver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA05248Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% more Medicare Part D claims than the average physician assistant in 2024
1,174 Medicare Part D claims for 339 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole192 claims
- Famotidine168 claims
- Metoclopramide Hcl144 claims
- Sod Sulf-Potass Sulf-Mag Sulf129 claims
- Pantoprazole Sodium29 claims
- Levothyroxine Sodium27 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 3 group practices
- Gulf Coast Gastroenterology, PALake Jackson, TX
- Houston Regional Gastroenterology Institute PLLCSugar Land, TX
- Primary Care Associates OF Lake Jackson PLLCLake Jackson, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacalyn C. Siver among 10,999 physician assistant records in Texas
Jacalyn C. Siver, P.A.-C is one of 10,999 physician assistant records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1996 · median 2017 among the 6,096 with a school on file
- Record last updated2017 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 physician assistant records list a practice address in Lake Jackson
They are 11 of the 451 NPPES records with a practice address in Lake Jackson, and 10,999 physician assistant records in Texas.
All 10,999 in Texas → Every provider in Lake Jackson → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kasey Atnip, P.A.-CLake Jackson, TX 775661891184610
- Brett Baker, PALake Jackson, TX 775661215956057
- Ivy Bishop, PA-CLake Jackson, TX 775661427459239
- Sophia Brown, PA-CLake Jackson, TX 775661598420812
- Francis Dang, PA-C, MPH, RD, LDLake Jackson, TX 775661194365148
- Jessica FullerLake Jackson, TX 775661497553663
- Amy Laird-Payne, PYSICIAN ASSISTANTLake Jackson, TX 775661598922973
- Joel MickailLake Jackson, TX 775661164742946
Common questions
What is Jacalyn C. Siver, P.A.-C's NPI number?
Jacalyn C. Siver, P.A.-C's National Provider Identifier (NPI) is 1013912609, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jacalyn C. Siver, P.A.-C located?
The NPPES record lists a practice address at 219 Oak Dr S Ste A, Lake Jackson, TX, 77566. Phone: (979) 297-4033. Providers update this record themselves, so call before visiting.
How can I verify Jacalyn C. Siver, P.A.-C's license?
NPPES lists Texas license number PA05248, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Jacalyn C. Siver, P.A.-C prescribe under Medicare Part D?
In 2024, Jacalyn C. Siver, P.A.-C had 1,174 Medicare Part D claims for 339 beneficiaries; the average among physician assistant prescribers was 830. 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.