Yiannis Kefalas, PA
NPI 1225742059 · Physician Assistant · New York, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yiannis Kefalas, PA is a Physician Assistant provider in New York, NY (NPI 1225742059).
Provider details
- NPI number
- 1225742059
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- Yes
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 tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 151 | 55 |
| Atorvastatin Calcium | 65 | 27 |
| Apixabanbrand: Eliquis | 42 | — |
| Metoprolol Succinate | 39 | 19 |
| Rosuvastatin Calcium | 28 | 13 |
| Amiodarone Hcl | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$487 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
- 2023-01-06
- Last updated
- 2023-03-20
- Certified
- 2023-03-20
Frequently asked questions
- What is Yiannis Kefalas's NPI number?
- Yiannis Kefalas's National Provider Identifier (NPI) is 1225742059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yiannis Kefalas's specialty?
- Yiannis Kefalas is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Yiannis Kefalas located?
- Yiannis Kefalas's practice location on file with NPPES is 100 E 77th St, New York, NY 10075-1850.
- What is Yiannis Kefalas's phone number?
- The practice phone number listed in the NPPES registry for Yiannis Kefalas is (212) 434-2000.
- Does Yiannis Kefalas accept Medicare?
- Yiannis Kefalas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yiannis Kefalas's NPI active?
- Yes — Yiannis Kefalas's NPI (1225742059) is active in the NPPES registry as of the last update on 2023-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.