Stephanie Guize, RPAC
NPI 1104933886 · Physician Assistant · West Amherst, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Guize, RPAC is a Physician Assistant provider in West Amherst, NY (NPI 1104933886).
Provider details
- NPI number
- 1104933886
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RPAC
- Sex
- Female
- Sole proprietor
- No
- License
- 008773-1 (NY)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
117 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $104 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 31 | $104 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 21 | $13 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 18 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $73 |
Typical Medicare-allowed amounts for these services range $13–$104 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 353 | 111 |
| Rosuvastatin Calcium | 232 | 72 |
| Levothyroxine Sodium | 209 | 71 |
| Lisinopril | 172 | 57 |
| Omeprazole | 166 | 54 |
| Amlodipine Besylate | 129 | 44 |
| Escitalopram Oxalate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,839 across 96 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
- 2006-08-25
- Last updated
- 2007-12-13
Frequently asked questions
- What is Stephanie Guize's NPI number?
- Stephanie Guize's National Provider Identifier (NPI) is 1104933886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Guize's specialty?
- Stephanie Guize is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie Guize located?
- Stephanie Guize's practice location on file with NPPES is 3950 E Robinson Rd, West Amherst, NY 14228.
- What is Stephanie Guize's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Guize is (716) 564-1111.
- Does Stephanie Guize accept Medicare?
- Stephanie Guize is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Guize's NPI active?
- Yes — Stephanie Guize's NPI (1104933886) is active in the NPPES registry as of the last update on 2007-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.