Alyssa Gizzio, PA-C
NPI 1497193502 · Physician Assistant · Houston, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Gizzio, PA-C is a Physician Assistant provider in Houston, TX (NPI 1497193502).
Provider details
- NPI number
- 1497193502
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
86 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 37 | $117 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 33 | $79 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $54 |
Typical Medicare-allowed amounts for these services range $54–$117 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 43 | 14 |
| Galcanezumab-Gnlmbrand: Emgality Pen | 37 | — |
| Rimegepant Sulfatebrand: Nurtec Odt | 31 | — |
| Ubrogepantbrand: Ubrelvy | 31 | — |
| Fremanezumab-Vfrmbrand: Ajovy Autoinjector | 29 | — |
| Pregabalin | 27 | — |
| Sumatriptan Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$56 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-06-11
- Last updated
- 2017-08-08
Frequently asked questions
- What is Alyssa Gizzio's NPI number?
- Alyssa Gizzio's National Provider Identifier (NPI) is 1497193502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Gizzio's specialty?
- Alyssa Gizzio is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alyssa Gizzio located?
- Alyssa Gizzio's practice location on file with NPPES is 915 Gessner Rd, Houston, TX 77024-2527.
- What is Alyssa Gizzio's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Gizzio is (713) 461-2626.
- Does Alyssa Gizzio accept Medicare?
- Alyssa Gizzio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Gizzio's NPI active?
- Yes — Alyssa Gizzio's NPI (1497193502) is active in the NPPES registry as of the last update on 2017-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.