John Gareis, MD
NPI 1689977308 · Diagnostic Radiology Physician · Lancaster, PA
Enrolled with Medicare as Order and Referring Only - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Gareis, MD is a Diagnostic Radiology Physician provider in Lancaster, PA (NPI 1689977308).
Provider details
- NPI number
- 1689977308
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD014751E (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
15 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
- 2010-12-20
- Last updated
- 2010-12-20
Frequently asked questions
- What is John Gareis's NPI number?
- John Gareis's National Provider Identifier (NPI) is 1689977308, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gareis's specialty?
- John Gareis is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Gareis located?
- John Gareis's practice location on file with NPPES is 2101 Millersville Pike, Lancaster, PA 17603-6216.
- What is John Gareis's phone number?
- The practice phone number listed in the NPPES registry for John Gareis is (717) 872-8005.
- Does John Gareis accept Medicare?
- John Gareis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Gareis's NPI active?
- Yes — John Gareis's NPI (1689977308) is active in the NPPES registry as of the last update on 2010-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.