Cheryl Owczarzak, PA-C
NPI 1598047904 · Surgical Physician Assistant · Williamsville, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cheryl Owczarzak, PA-C is a Surgical Physician Assistant provider in Williamsville, NY (NPI 1598047904).
Provider details
- NPI number
- 1598047904
- Entity type
- Individual
- Primary specialty
- Surgical 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 tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
124 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 | 72 | $70 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $105 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 11 | $91 |
Typical Medicare-allowed amounts for these services range $70–$105 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 59 | 42 |
| Methylprednisolone | 29 | 28 |
| Diazepam | 16 | 14 |
| Ibuprofen | 15 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 15 | — |
| Tramadol Hcl | 12 | — |
| Pregabalin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-09-12
- Last updated
- 2019-10-15
Frequently asked questions
- What is Cheryl Owczarzak's NPI number?
- Cheryl Owczarzak's National Provider Identifier (NPI) is 1598047904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cheryl Owczarzak's specialty?
- Cheryl Owczarzak is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cheryl Owczarzak located?
- Cheryl Owczarzak's practice location on file with NPPES is 40 George Karl Blvd, Williamsville, NY 14221-7183.
- What is Cheryl Owczarzak's phone number?
- The practice phone number listed in the NPPES registry for Cheryl Owczarzak is (716) 218-1000.
- Does Cheryl Owczarzak accept Medicare?
- Cheryl Owczarzak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cheryl Owczarzak's NPI active?
- Yes — Cheryl Owczarzak's NPI (1598047904) is active in the NPPES registry as of the last update on 2019-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.