Mark McNaughton Jr., DO

Individual provider Emergency Medicine Physician · NPI 1245770684

Mark McNaughton Jr., DO practises Emergency Medicine in West Reading, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 2017, 9 years ago. Practices with Pinnacle Health Emergency Department Services, LLC, a 107-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying: 9
Trained at: Philadelphia College of Osteopathic Medicine
Licensed in: PA
In the registry since: 2017

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

420 S 5th Ave
West Reading, PA 19611-2143
Phone: (484) 628-6255

Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (4)

1201 Letort Springs Way, Carlisle, PA 17015-8011 — (717) 674-7600
361 Alexander Spring Rd, Carlisle, PA 17015-6940 — (717) 988-0000
36 Robinhood Dr, Etters, PA 17319-9528 — (717) 388-7300
14781 Wolfe Road, New Freedom, PA 17349-9571 — (717) 326-1880

Specialties & licences

Emergency Medicine Physician (primary)	Taxonomy 207P00000X · Licence OS021152 (PA)

Record details

NPI number	1245770684
Entity type	Individual (Type 1)
Gender	Male
Credentials	DO
Sole proprietor	No
NPI enumerated	March 5, 2017
Last updated in NPPES	February 9, 2026
Certification date	February 9, 2026

Medicare enrollment

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

Medicare specialty	EMERGENCY MEDICINE
Medical school	PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated	2017 (9 years in practice)
Group practice	Pinnacle Health Emergency Department Services, Llc — 107 clinicians
Accepts Medicare assignment	Yes — accepts the Medicare-approved amount
Practice locations	2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients	206
Services billed	225 a service is one billed item, such as a visit, a test or a procedure
Average patient age	76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Upmc Carlisle Hospital · Carlisle, PA
Upmc Hanover Hospital · Hanover, PA
Upmc Memorial Hospital · York, PA
Upmc Pinnacle Hospitals Hospital · Harrisburg, PA

Colleagues at Pinnacle Health Emergency Department Services, LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 107 clinicians in the practice; 12 are shown here.

Dr. Ryan Bailey, DO Emergency Medicine Physician · Johnstown, PA
Dr. Robert Anthony Bassett, DO Emergency Medicine Physician · Philadelphia, PA
Dr. Ralph Daniel Bledsoe, MD Emergency Medicine Physician · Harrisburg, PA
Dr. Mark Anthony Bruno, DO Emergency Medicine Physician · Media, PA
Tyler Burns, PA-C Physician Assistant · Harrisburg, PA
Mrs. Akaysha Duran, MD Emergency Medicine Physician · York, PA
Kathleen M Fitzgibbon, MD Emergency Medicine Physician · Harrisburg, PA
Alexa Jean Golden, MD Student in an Organized Health Care Education/Training Program · Harrisburg, PA
Margaret R Harvey, PA Physician Assistant · Harrisburg, PA
Kelsey S Wiley, CRNP Family Nurse Practitioner · Harrisburg, PA
Kerry C Willis, CRNP Family Nurse Practitioner · York, PA
Amy L Wyatt, DO Emergency Medicine Physician · Harrisburg, PA

Mark McNaughton Jr., DO

Practice location Address checks out

Additional practice locations (4)

Specialties & licences

Record details

Medicare enrollment

Medicare patients and services, 2024

Practises at

Colleagues at Pinnacle Health Emergency Department Services, LLC

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