Louis Gray, MD
NPI 1225071749 · Family Medicine Physician · Lancaster, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Gray, MD is a Family Medicine Physician provider in Lancaster, PA (NPI 1225071749).
Provider details
- NPI number
- 1225071749
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD023715E (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
- 2006-06-13
- Last updated
- 2017-06-30
Frequently asked questions
- What is Louis Gray's NPI number?
- Louis Gray's National Provider Identifier (NPI) is 1225071749, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Gray's specialty?
- Louis Gray is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Gray located?
- Louis Gray's practice location on file with NPPES is 1871 Santa Barbara Dr Ste 1, Lancaster, PA 17601-4144.
- What is Louis Gray's phone number?
- The practice phone number listed in the NPPES registry for Louis Gray is (717) 560-1970.
- Does Louis Gray accept Medicare?
- Louis Gray is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Gray's NPI active?
- Yes — Louis Gray's NPI (1225071749) is active in the NPPES registry as of the last update on 2017-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.