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

Dr. John Michael Granger, MD

Individual provider Hospitalist Physician · NPI 1467462630

Dr. John Michael Granger, MD is an Infectious Disease in Lancaster, Pennsylvania. Graduated from Medical College of Ohio in 2003, 23 years ago. Practices with Lancaster General Medical Group, a 582-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Delaware and Pennsylvania.

Years since qualifying
23
Trained at
Medical College of Ohio
Licensed in
DE, PA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2106 Harrisburg Pike Ste 301
Lancaster, PA 17604
Phone: (717) 544-3517
Fax: (717) 544-3520
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence MD436668 (PA)
Hospitalist Physician Taxonomy 208M00000X · Licence C10008084 (DE)

Record details

NPI number1467462630
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 9, 2006
Last updated in NPPESJune 28, 2011
Mailing address2106 Harrisburg Pike, Suite 301, Lancaster, PA 17604

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolMEDICAL COLLEGE OF OHIO
Graduated 2003 (23 years in practice)
Group practice Lancaster General Medical Group — 582 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations16 on file with Medicare

Other providers in Lancaster