Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Joseph Chapman, DO

Individual provider Gastroenterology Physician · NPI 1619369576

Dr. Joseph Chapman, DO is a Gastroenterology in Lancaster, Pennsylvania. Graduated from Edward via Col of Osteo Medicine-Virginia Campus in 2015, 11 years ago. Practices with Regional Gastroenterology Associates of Lancaster, Ltd, a 251-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
11
Trained at
Edward via Col of Osteo Medicine-Virginia Campus
Licensed in
PA
In the registry since
2015
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

555 N Duke St
Lancaster, PA 17602-2250
Phone: (717) 544-5935
Fax: (717) 544-8015
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence OS021482 (PA)

Record details

NPI number1619369576
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 2, 2015
Last updated in NPPESFebruary 10, 2026
Certification dateFebruary 10, 2026
Mailing address2112 Harrisburg Pike Ste 202, Lancaster, PA 17601-2644

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolEDWARD VIA COL OF OSTEO MEDICINE-VIRGINIA CAMPUS
Graduated 2015 (11 years in practice)
Group practice Regional Gastroenterology Associates Of Lancaster, Ltd. — 251 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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