Esperanza Villanueva-Siles, MD
NPI 1518047018 · Anatomic Pathology Physician · Bronx, NY
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Esperanza Villanueva-Siles, MD is a Anatomic Pathology Physician provider in Bronx, NY (NPI 1518047018).
Provider details
- NPI number
- 1518047018
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 225043 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
797 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 360 | $42 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 167 | $31 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 90 | $39 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 81 | $92 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 33 | $13 |
| Pathology Examination of Specimen During Surgery, First Tissue Block88331 | 24 | $69 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Esperanza Villanueva-Siles's NPI number?
- Esperanza Villanueva-Siles's National Provider Identifier (NPI) is 1518047018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Esperanza Villanueva-Siles's specialty?
- Esperanza Villanueva-Siles is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Esperanza Villanueva-Siles located?
- Esperanza Villanueva-Siles's practice location on file with NPPES is Mmc - Dept. of Pathology, Bronx, NY 10467.
- What is Esperanza Villanueva-Siles's phone number?
- The practice phone number listed in the NPPES registry for Esperanza Villanueva-Siles is (718) 920-4976.
- Does Esperanza Villanueva-Siles accept Medicare?
- Esperanza Villanueva-Siles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Esperanza Villanueva-Siles's NPI active?
- Yes — Esperanza Villanueva-Siles's NPI (1518047018) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.