Wendy Twardzik, PA
NPI 1558564104 · Surgical Physician Assistant · New York, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wendy Twardzik, PA is a Surgical Physician Assistant provider in New York, NY (NPI 1558564104).
Provider details
- NPI number
- 1558564104
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 009908 (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 tenure28% of score
19 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
237 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 148 | $118 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 38 | $59 |
| Residence Visit for New Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99344 | 23 | $131 |
| Transitional Care Management Services for Problem of High Complexity99496 | 14 | $266 |
| Advance Care Planning, First 30 Minutes99497 | 14 | $77 |
Typical Medicare-allowed amounts for these services range $59–$266 (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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 83 | 38 |
| Amlodipine Besylate | 68 | 33 |
| Metformin Hcl | 52 | 18 |
| Apixabanbrand: Eliquis | 50 | 19 |
| Diclofenac Sodium | 44 | 15 |
| Montelukast Sodium | 38 | 11 |
| Furosemide | 38 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-08
- Last updated
- 2010-05-11
Frequently asked questions
- What is Wendy Twardzik's NPI number?
- Wendy Twardzik's National Provider Identifier (NPI) is 1558564104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wendy Twardzik's specialty?
- Wendy Twardzik is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Wendy Twardzik located?
- Wendy Twardzik's practice location on file with NPPES is 130 E 77th St Fl 7, New York, NY 10075-1851.
- What is Wendy Twardzik's phone number?
- The practice phone number listed in the NPPES registry for Wendy Twardzik is (212) 744-8114.
- Does Wendy Twardzik accept Medicare?
- Wendy Twardzik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wendy Twardzik's NPI active?
- Yes — Wendy Twardzik's NPI (1558564104) is active in the NPPES registry as of the last update on 2010-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.