NPIMap

Individual provider Active NPI

Mark McNaughton Jr., D.O.

  • Emergency Medicine Physician
  • West Reading, PA
National Provider Identifier
1245770684
Registry record updated Feb 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
OS021152 Issued in PA
Practice address
420 S 5TH Ave
West Reading, PA 19611-2143
Phone
(484) 628-6255
NPI assigned
Mar 5, 2017
Last updated
Feb 9, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 9, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X OS021152 PA Primary

Addresses

Primary practice location

420 S 5TH Ave
West Reading, PA 19611-2143

Mailing address

601 Memory LN
York, PA 17402-2231

Other practice location 1

1201 Letort Springs Way
Carlisle, PA 17015-8011
Phone (717) 674-7600

Other practice location 2

36 Robinhood Dr
Etters, PA 17319-9528
Phone (717) 388-7300

Other practice location 3

361 Alexander Spring Rd
Carlisle, PA 17015-6940
Phone (717) 988-0000

Other practice location 4

14781 Wolfe Road
New Freedom, PA 17349-9571
Phone (717) 326-1880

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mmcnaughton63277@phsdirect.pinnaclehealth.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20211008000297 PA Practitioner - Emergency Medicine 5092069625 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Philadelphia College of Osteopathic Medicine, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Pinnacle Health Emergency Department Services, LLCGroup PAC ID 0143124701, 106 clinicians
Tower Health Medical GroupGroup PAC ID 7618889213, 578 clinicians

Practice addresses (Care Compare)

361 Alexander Spring Rd
Carlisle, PA 17015-6940
Phone (717) 988-0000

420 S 5TH Ave
West Reading, PA 19611-2143
Phone (484) 628-8000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
93.46 of 100Reported as group
Quality
92.17
Promoting interoperability
100
Improvement activities
40
Cost
78.87

Merit-based Incentive Payment System (MIPS)

Final score
84.71 of 100Reported as group
Quality
73.34
Promoting interoperability
97
Improvement activities
40
Cost
78.18

Merit-based Incentive Payment System (MIPS)

Final score
82.85 of 100Reported as group
Quality
65.84
Promoting interoperability
100
Improvement activities
40
Cost
77

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy, Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Wellspan Medical Group CurrentSince Apr 6, 2026 Accepting new patients
Tower Health Medical Group CurrentSince Sep 2, 2024 Accepting new patients
Penn State Health Medical Group, LLC CurrentSince Oct 1, 2024 Accepting new patients
Penn State Health Medical Group, LLC CurrentSince Oct 1, 2024 Accepting new patients
Pinnacle Health Emergency Department Services LLC Emergency Medicine CurrentSince Jul 14, 2021 Accepting new patients
Tower Health Medical Group Current Accepting new patients
Tower Health Medical Group CurrentSince Sep 2, 2024 Accepting new patients
Penn State Health Medical Group, LLC Current Accepting new patients
Wellspan Medical Group CurrentSince Apr 6, 2026 Accepting new patients

Locations

503 N 21st St
Camp Hill, PA 17011
Phone (717) 763-2100

361 Alexander Spring Rd
Carlisle, PA 17015
Phone (717) 249-1211

111 S Front St
Harrisburg, PA 17101
Phone (717) 782-3282

1120 Cocoa Ave
Hershey, PA 17033
Phone (717) 533-4141

420 S 5th Ave
West Reading, PA 19611
Phone (484) 628-3637

2610 Keiser Blvd
Wyomissing, PA 19610
Phone (484) 628-9127

1001 S George St
York, PA 17403
Phone (717) 812-7687

25 Monument Rd
Ste 270
York, PA 17403
Phone (717) 741-8250

601 Memory Ln
York, PA 17402
Phone (717) 851-6670

Interoperability endpoints

  • Direct secure messaging: mmcnaughton339176@upmc.direct-ci.com

Organizations & group practices 10

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 13

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 13

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1488672000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770595200000",
    "number": "1245770684",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 MEMORY LN",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174022231"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "420 S 5TH AVE",
            "city": "WEST READING",
            "state": "PA",
            "postal_code": "196112143",
            "telephone_number": "484-628-6255"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1201 Letort Springs Way",
            "address_purpose": "LOCATION",
            "city": "Carlisle",
            "state": "PA",
            "postal_code": "170158011",
            "country_code": "US",
            "telephone_number": "717-674-7600",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "36 Robinhood Dr",
            "address_purpose": "LOCATION",
            "city": "Etters",
            "state": "PA",
            "postal_code": "173199528",
            "country_code": "US",
            "telephone_number": "717-388-7300",
            "fax_number": "717-388-7326",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "361 Alexander Spring Rd",
            "address_purpose": "LOCATION",
            "city": "Carlisle",
            "state": "PA",
            "postal_code": "170156940",
            "country_code": "US",
            "telephone_number": "717-988-0000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "14781 Wolfe Road",
            "address_purpose": "LOCATION",
            "city": "New Freedom",
            "state": "PA",
            "postal_code": "173499571",
            "country_code": "US",
            "telephone_number": "717-326-1880",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCNAUGHTON",
        "first_name": "MARK",
        "name_suffix": "Jr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-05",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "OS021152",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mmcnaughton63277@phsdirect.pinnaclehealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "361 Alexander Spring Rd",
            "city": "Carlisle",
            "state": "PA",
            "country_code": "US",
            "postal_code": "170156940",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in West Reading, PA

Sources for this page

Verify at the official NPI Registry.