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

Dr. Mortimer James Strong, DO

Individual provider Internal Medicine Physician · NPI 1043292816

Dr. Mortimer James Strong, DO is an Internal Medicine in Jenkintown, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 1979, 47 years ago. Practices with Ninth Street Internal Medicine Associates Ltd, a 14-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
47
Trained at
Philadelphia College of Osteopathic Medicine
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

201 Old York Rd Ste 205
Jenkintown, PA 19046-3200
Phone: (215) 885-6767
Fax: (215) 885-5297
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 OS004367-L (PA)

Record details

NPI number1043292816
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 17, 2005
Last updated in NPPESSeptember 2, 2011
Mailing address709 S 5th St, Philadelphia, PA 19147-3043

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1979 (47 years in practice)
Group practice Ninth Street Internal Medicine Associates Ltd — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Jenkintown