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

Mark E Dion, DO

Individual provider Anesthesiology Physician · NPI 1922083062

Mark E Dion, DO is an Anesthesiology in Lebanon, Pennsylvania. Qualified in 2001, 25 years ago. Practices with Orthopedic Assoc of Lancaster Ltd, a 81-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
25
Licensed in
PA
In the registry since
2005
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.

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Practice location Address checks out

252 S 4th St
Lebanon, PA 17042-6111
Phone: (717) 270-7500
Fax: (717) 228-1642
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 169 Martin Ave, Ephrata, PA 17522-1734 — (717) 733-0311
  • 1001 S George St, York, PA 17403-3676 — (717) 812-7687

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 05013458 (PA)

Record details

NPI number1922083062
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedDecember 13, 2005
Last updated in NPPESFebruary 12, 2024
Certification dateFebruary 12, 2024
Mailing address601 Memory Ln, York, PA 17402-2231

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Orthopedic Assoc Of Lancaster Ltd — 81 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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