Gregg Sonsini, MD
NPI 1568457596 · Pediatrics Physician · Warrington, PA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregg Sonsini, MD is a Pediatrics Physician provider in Warrington, PA (NPI 1568457596).
Provider details
- NPI number
- 1568457596
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD037119E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2005-09-15
- Last updated
- 2010-01-04
Frequently asked questions
- What is Gregg Sonsini's NPI number?
- Gregg Sonsini's National Provider Identifier (NPI) is 1568457596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Sonsini's specialty?
- Gregg Sonsini is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Gregg Sonsini located?
- Gregg Sonsini's practice location on file with NPPES is 847 Easton Rd, Warrington, PA 18976-2906.
- What is Gregg Sonsini's phone number?
- The practice phone number listed in the NPPES registry for Gregg Sonsini is (215) 918-5775.
- Does Gregg Sonsini accept Medicare?
- Gregg Sonsini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregg Sonsini's NPI active?
- Yes — Gregg Sonsini's NPI (1568457596) is active in the NPPES registry as of the last update on 2010-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.