Jacalyn Siver, P.A.-C
NPI 1013912609 · Physician Assistant · Lake Jackson, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacalyn Siver, P.A.-C is a Physician Assistant provider in Lake Jackson, TX (NPI 1013912609).
Provider details
- NPI number
- 1013912609
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.-C
- Sex
- Female
- Sole proprietor
- No
- License
- 359 (SD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
488 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 274 | $55 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 75 | $81 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 58 | $67 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 38 | $110 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 24 | $63 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 192 | 86 |
| Famotidine | 168 | 80 |
| Metoclopramide Hcl | 144 | 140 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 129 | 129 |
| Pantoprazole Sodium | 29 | 16 |
| Levothyroxine Sodium | 27 | — |
| Linaclotidebrand: Linzess | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-20
- Last updated
- 2017-02-21
Frequently asked questions
- What is Jacalyn Siver's NPI number?
- Jacalyn Siver's National Provider Identifier (NPI) is 1013912609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacalyn Siver's specialty?
- Jacalyn Siver is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jacalyn Siver located?
- Jacalyn Siver's practice location on file with NPPES is 219 Oak Dr S Ste a, Lake Jackson, TX 77566-5675.
- What is Jacalyn Siver's phone number?
- The practice phone number listed in the NPPES registry for Jacalyn Siver is (979) 297-4033.
- Does Jacalyn Siver accept Medicare?
- Jacalyn Siver is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacalyn Siver's NPI active?
- Yes — Jacalyn Siver's NPI (1013912609) is active in the NPPES registry as of the last update on 2017-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.