Gregory Lehman, DO
NPI 1598744112 · Internal Medicine Physician · Springfield, PA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Lehman, DO is a Internal Medicine Physician provider in Springfield, PA (NPI 1598744112).
Provider details
- NPI number
- 1598744112
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS00378L (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
- 2006-01-12
- Last updated
- 2008-05-07
Frequently asked questions
- What is Gregory Lehman's NPI number?
- Gregory Lehman's National Provider Identifier (NPI) is 1598744112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Lehman's specialty?
- Gregory Lehman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Lehman located?
- Gregory Lehman's practice location on file with NPPES is 1001 Baltimore Pike, Springfield, PA 19064-2852.
- What is Gregory Lehman's phone number?
- The practice phone number listed in the NPPES registry for Gregory Lehman is (610) 690-1776.
- Does Gregory Lehman accept Medicare?
- Gregory Lehman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Lehman's NPI active?
- Yes — Gregory Lehman's NPI (1598744112) is active in the NPPES registry as of the last update on 2008-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.