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

John Edward Olenczak, MD

Individual provider Anesthesiology Physician · NPI 1386637858

John Edward Olenczak, MD is an Anesthesiology Physician in Hagerstown, Maryland. Licensed in Maryland and Pennsylvania. Registered with an NPI since 2005.

Licensed in
MD, PA
In the registry since
2005
Specialties on file
3
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

1120A Professional Ct
Hagerstown, MD 21740-5848
Phone: (301) 739-7900
Fax: (301) 739-7112
Show map & directions

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

Specialties & licences

Pain Medicine (Anesthesiology) Physician (primary) Taxonomy 207LP2900X · Licence D0063781 (MD)
Anesthesiology Physician Taxonomy 207L00000X · Licence MD035098E (PA)
Pain Medicine (Anesthesiology) Physician Taxonomy 207LP2900X · Licence MD035098E (PA)

Record details

NPI number1386637858
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2005
Last updated in NPPESJuly 16, 2010

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