Wendy Callen, RPAC
NPI 1609851401 · Surgical Physician Assistant · Amherst, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wendy Callen, RPAC is a Surgical Physician Assistant provider in Amherst, NY (NPI 1609851401).
Provider details
- NPI number
- 1609851401
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RPAC
- Sex
- Female
- Sole proprietor
- No
- License
- 0093671 (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
20 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
189 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 | 124 | $102 |
| 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 | 42 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $74 |
Typical Medicare-allowed amounts for these services range $13–$102 (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 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 467 | 107 |
| Primidone | 161 | 29 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 152 | 40 |
| Pregabalin | 147 | 45 |
| Prednisone | 134 | 26 |
| Baclofen | 124 | 34 |
| Donepezil Hcl | 116 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,874 across 106 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
- 2005-12-14
- Last updated
- 2017-02-14
Frequently asked questions
- What is Wendy Callen's NPI number?
- Wendy Callen's National Provider Identifier (NPI) is 1609851401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wendy Callen's specialty?
- Wendy Callen is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Wendy Callen located?
- Wendy Callen's practice location on file with NPPES is 3980 Sheridan Dr, Amherst, NY 14226-1727.
- What is Wendy Callen's phone number?
- The practice phone number listed in the NPPES registry for Wendy Callen is (716) 250-2000.
- Does Wendy Callen accept Medicare?
- Wendy Callen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wendy Callen's NPI active?
- Yes — Wendy Callen's NPI (1609851401) is active in the NPPES registry as of the last update on 2017-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.