Willaim Sierraalta, MD
NPI 1932761483 · Surgery Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Willaim Sierraalta, MD is a Surgery Physician provider in Philadelphia, PA (NPI 1932761483).
Provider details
- NPI number
- 1932761483
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036172109 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 300 Randall RdGeneva, IL 60134-4200Phone: (630) 208-4060Fax: (630) 208-4401
Registry dates
- Enumerated
- 2019-07-05
- Last updated
- 2024-10-07
- Certified
- 2024-10-07
Frequently asked questions
- What is Willaim Sierraalta's NPI number?
- Willaim Sierraalta's National Provider Identifier (NPI) is 1932761483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Willaim Sierraalta's specialty?
- Willaim Sierraalta is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Willaim Sierraalta located?
- Willaim Sierraalta's practice location on file with NPPES is 230 N Broad St, Philadelphia, PA 19102-1178.
- What is Willaim Sierraalta's phone number?
- The practice phone number listed in the NPPES registry for Willaim Sierraalta is (215) 762-7000.
- Does Willaim Sierraalta accept Medicare?
- Willaim Sierraalta is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Willaim Sierraalta's NPI active?
- Yes — Willaim Sierraalta's NPI (1932761483) is active in the NPPES registry as of the last update on 2024-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.