Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Gregory Robert James O'Neill, DC

Individual provider Chiropractor · NPI 1720323975

Dr. Gregory Robert James O'Neill, DC is a Chiropractic in Lititz, Pennsylvania. Graduated from New York Chiropractic College in 2012, 14 years ago. Practices with Lititz Family Chiropractic PLLC, a 3-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
14
Trained at
New York Chiropractic College
Licensed in
PA
In the registry since
2012
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

766 Lititz Pike
Lititz, PA 17543
Phone: (570) 238-4582
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence DC010675 (PA)

Record details

NPI number1720323975
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedNovember 29, 2012
Last updated in NPPESSeptember 9, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolNEW YORK CHIROPRACTIC COLLEGE
Graduated 2012 (14 years in practice)
Group practice Lititz Family Chiropractic Pllc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Lititz