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

Robert Daniel Mullin Jr., DO

Individual provider Internal Medicine Physician · NPI 1356978183

Robert Daniel Mullin Jr., DO is an Internal Medicine in Hershey, Pennsylvania. Qualified in 2020, 6 years ago. Practices with Lancaster General Hospital, a 518-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Indiana and Pennsylvania.

Years since qualifying
6
Licensed in
IN, PA
In the registry since
2020
Specialties on file
3
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

500 University Dr
Hershey, PA 17033-2360
Phone: (800) 243-1455
Show map & directions

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

Additional practice locations (3)

  • 11115 Parkview Plaza Dr, Fort Wayne, IN 46845-1701 — (260) 266-5400
  • 317 South Chestnut Street, Quarryville, PA 17566-1184 — (717) 786-7383
  • 800 Pennsylvania Ave, Charleston, WV 25302-3351 — (304) 388-5432

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence OS023514C (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence OS023514C (PA)
Pediatrics Physician Taxonomy 208000000X · Licence 02008753A (IN)

Record details

NPI number1356978183
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 23, 2020
Last updated in NPPESDecember 2, 2025
Certification dateDecember 2, 2025
Mailing address500 University Dr, Mc Ca410, Hershey, PA 17033-2360

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Lancaster General Hospital — 518 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Hershey