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

Jean David Dumornay, MD

Individual provider Family Medicine Physician · NPI 1992926554

Jean David Dumornay, MD is a Family Practice in Lancaster, Pennsylvania. Qualified in 1995, 31 years ago. Practices with Lancaster General Medical Group, a 582-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
31
Licensed in
PA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

555 N Duke St
Lancaster, PA 17604
Phone: (717) 544-4978
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD438386 (PA)

Record details

NPI number1992926554
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2007
Last updated in NPPESJuly 24, 2019

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Lancaster General Medical Group — 582 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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