MARK MCNAUGHTON JR. D.O.
NPI 1245770684
Emergency Medicine in West Reading, PA
About Mark Mcnaughton Jr. D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK MCNAUGHTON JR. D.O. (NPI 1245770684) is an individual emergency medicine provider in West Reading, Pennsylvania, licensed in Pennsylvania (OS021152) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Upmc Carlisle, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark Mcnaughton Jr. D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Mark Mcnaughton reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Reading, PA 19611
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,473 clinicians in this Medicare group
West Reading, PA 19611
- Reassigned Medicare billing, Pennsylvania enrollment
- 994 clinicians in this Medicare group
Reinholds, PA 17569
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 clinicians in this Medicare group
Harrisburg, PA 17101
- Reassigned Medicare billing, Pennsylvania enrollment
- 209 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Upmc Carlisle
Acute Care Hospitals · Carlisle, PAUpmc Pinnacle Hospitals
Acute Care Hospitals · Harrisburg, PAUpmc Memorial
Acute Care Hospitals · York, PAUpmc Hanover
Acute Care Hospitals · Hanover, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST READING, PA 19611
WEST READING, PA 19611
WEST READING, PA 19611
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Mcnaughton's NPI number?
The NPI number for Mark Mcnaughton is 1245770684. It was assigned to this individual provider in the NPPES registry on March 5, 2017.
Where is Mark Mcnaughton located?
Mark Mcnaughton practices at 420 S 5th Ave, West Reading, PA 19611. The listed phone number is (484) 628-6255.
What is Mark Mcnaughton's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Mcnaughton enrolled in Medicare?
Yes. Mark Mcnaughton is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Mcnaughton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Mcnaughton reassigns Medicare benefits to 4 organizations: Tower Health Medical Group (West Reading, PA), Penn State Health Medical Group, LLC (West Reading, PA), Wellspan Medical Group (Reinholds, PA) and Pinnacle Health Emergency Department Services LLC (Harrisburg, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Mcnaughton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Mcnaughton affiliated with any hospitals?
According to CMS data, Mark Mcnaughton is affiliated with Upmc Carlisle, Upmc Pinnacle Hospitals, Upmc Memorial and Upmc Hanover.
When was this NPI record last updated?
The NPPES record for Mark Mcnaughton was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mark Mcnaughton Jr., D.O. · NPI 1245770684
Emergency Medicine physician in West Reading, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 5, 2017.
## Identity
- **NPI:** 1245770684 (Entity type: Individual)
- **Enumerated:** March 5, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** OS021152 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 420 S 5TH AVE, West Reading, PA 19611-2143
- **Phone:** (484) 628-6255
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Tower Health Medical Group (NPI 1497309355, West Reading, PA); Penn State Health Medical Group, LLC (NPI 1609347152, West Reading, PA); Wellspan Medical Group (NPI 1629528211, Reinholds, PA); Pinnacle Health Emergency Department Services LLC (NPI 1487693404, Harrisburg, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2017
## Record status
- **NPPES last updated:** February 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1245770684) · Data from the CMS NPPES public registry.