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

Mark Douglas Hannan, DC

Individual provider Chiropractor · NPI 1285844746

Mark Douglas Hannan, DC is a Chiropractic in Montoursville, Pennsylvania. Qualified in 1993, 33 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
33
Licensed in
PA
In the registry since
2007
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

306 Route 87 Hwy
Montoursville, PA 17754-9559
Phone: (570) 433-9991
Fax: (570) 433-9910
Show map & directions

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence DC005428L (PA)

Record details

NPI number1285844746
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedMay 23, 2007
Last updated in NPPESJuly 8, 2007
Mailing address306 Route 87 Hwy, Montoursville, PA 17754-9559

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Montoursville