Walter Xavier Zavala-Salas, RPA-C
NPI 1689034654 · Physician Assistant · New York, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Xavier Zavala-Salas, RPA-C is a Physician Assistant provider in New York, NY (NPI 1689034654).
Provider details
- NPI number
- 1689034654
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RPA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- 150625 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Technologists, Technicians & Other Technical Service Providers
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
10 yrs in NPPES registry
- Profile completeness33% of score
100% 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 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 273 | 139 |
| Dapagliflozin Propanediolbrand: Farxiga | 229 | 90 |
| Hydrochlorothiazide | 113 | 51 |
| Metformin Hcl | 91 | 42 |
| Amlodipine Besylate | 91 | 52 |
| Lisinopril | 88 | 49 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$267 across 12 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
- 2016-03-03
- Last updated
- 2026-03-21
- Certified
- 2026-03-21
Frequently asked questions
- What is Walter Xavier Zavala-Salas's NPI number?
- Walter Xavier Zavala-Salas's National Provider Identifier (NPI) is 1689034654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Xavier Zavala-Salas's specialty?
- Walter Xavier Zavala-Salas is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Walter Xavier Zavala-Salas located?
- Walter Xavier Zavala-Salas's practice location on file with NPPES is 154 Wadsworth Ave, New York, NY 10033-4811.
- What is Walter Xavier Zavala-Salas's phone number?
- The practice phone number listed in the NPPES registry for Walter Xavier Zavala-Salas is (212) 866-3096.
- Does Walter Xavier Zavala-Salas accept Medicare?
- Walter Xavier Zavala-Salas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Xavier Zavala-Salas's NPI active?
- Yes — Walter Xavier Zavala-Salas's NPI (1689034654) is active in the NPPES registry as of the last update on 2026-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.