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Gregory Leach, MD
NPI 1538246095 · Hospitalist Physician · Biddeford, ME
Gregory Leach, MD is a Hospitalist Physician provider in Biddeford, ME (NPI 1538246095).
Provider details
- NPI number
- 1538246095
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 014595 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
1 Medical Center Dr
Biddeford, ME 04005-9422
Phone: (207) 283-7402
Fax: (207) 283-7850
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 626
Biddeford, ME 04005-0626
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Leach's NPI number?
- Gregory Leach's National Provider Identifier (NPI) is 1538246095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Leach's specialty?
- Gregory Leach is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Leach located?
- Gregory Leach's practice location on file with NPPES is 1 Medical Center Dr, Biddeford, ME 04005-9422.
- What is Gregory Leach's phone number?
- The practice phone number listed in the NPPES registry for Gregory Leach is (207) 283-7402.
- Is Gregory Leach's NPI active?
- Yes — Gregory Leach's NPI (1538246095) 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.