Lesley Simpson, MD
NPI 1457369134 · Pediatric Hematology & Oncology Physician · Bethlehem, PA
Lesley Simpson, MD is a Pediatric Hematology & Oncology Physician provider in Bethlehem, PA (NPI 1457369134).
Provider details
- NPI number
- 1457369134
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD425844 (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
19 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
- 2006-08-04
- Last updated
- 2011-04-01
Frequently asked questions
- What is Lesley Simpson's NPI number?
- Lesley Simpson's National Provider Identifier (NPI) is 1457369134, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lesley Simpson's specialty?
- Lesley Simpson is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Lesley Simpson located?
- Lesley Simpson's practice location on file with NPPES is 2545 Schoenersville Rd, Bethlehem, PA 18017-7300.
- What is Lesley Simpson's phone number?
- The practice phone number listed in the NPPES registry for Lesley Simpson is (484) 884-3333.
- Is Lesley Simpson's NPI active?
- Yes — Lesley Simpson's NPI (1457369134) is active in the NPPES registry as of the last update on 2011-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.