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

Dr. Leif Eric Christiansen, DO

Individual provider Internal Medicine Physician · NPI 1710988092

Dr. Leif Eric Christiansen, DO is an Internal Medicine in Reading, Pennsylvania. Graduated from R Franklin University of Med & SCI/Chicago Medical School in 1984, 42 years ago. Practices with H2 Rehabilitation Extension Services LLC, a 142-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
42
Trained at
R Franklin University of Med & SCI/Chicago Medical School
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.

See every abbreviation used in this directory →

Practice location Address checks out

2234 Perkiomen Ave
Reading, PA 19606-1830
Phone: (610) 370-2511
Fax: (610) 370-3266
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence OS-005747-L (PA)

Record details

NPI number1710988092
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 9, 2005
Last updated in NPPESFebruary 28, 2011
Mailing address2234 Perkiomen Ave, Reading, PA 19606-1830

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolR FRANKLIN UNIVERSITY OF MED & SCI/CHICAGO MEDICAL SCHOOL
Graduated 1984 (42 years in practice)
Group practice H2 Rehabilitation Extension Services Llc — 142 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Other providers in Reading