Individual provider Active NPI

Mark Judson Collin, M.D.

  • Emergency Medicine Physician
  • Harrisburg, PA
National Provider Identifier
1497165229
Registry record updated Mar 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
MT205865 Issued in PA
Practice address
111 S Front St
Harrisburg, PA 17101-2010
Phone
(717) 988-0000
Fax
(717) 782-5716
NPI assigned
May 1, 2014
Last updated
Mar 5, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 5, 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 MT205865 PA Primary

Addresses

Primary practice location

111 S Front St
Harrisburg, PA 17101-2010

Mailing address

111 S Front St
Harrisburg, PA 17101-2010
Phone (717) 988-0000

Other practice location 1

252 S 4th St
Lebanon, PA 17042-6111
Phone (717) 270-7688

Other practice location 2

169 Martin Ave
Ephrata, PA 17522-1734
Phone (717) 738-6420

Other practice location 3

147 Gettys St
Gettysburg, PA 17325-2534
Phone (717) 337-4168

Other practice location 4

1001 S George St
York Hospital
York, PA 17403-3676
Phone (717) 851-2311

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20170801001441 PA Practitioner - Emergency Medicine 1355612904 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Pinnacle Health Emergency Department Services, LLCGroup PAC ID 0143124701, 106 clinicians
Ephrata Community HospitalGroup PAC ID 4981514445, 35 clinicians

Practice addresses (Care Compare)

111 S Front St
Pinnacle HLTH ER Dept SVC LLC
Harrisburg, PA 17101-2010
Phone (717) 988-0000

169 Martin Ave
Ephrata, PA 17522-1734
Phone (717) 733-0311

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of nail tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MT205865PAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Gettysburg Hospital CurrentSince Jan 20, 2020 Accepting new patients
Ephrata Community Hospital CurrentSince Sep 30, 2023 Accepting new patients
York Hospital Current Accepting new patients
Ephrata Community Hospital Emergency Medicine CurrentSince Sep 30, 2023 Accepting new patients
The Gettysburg Hospital Emergency Medicine CurrentSince Jan 20, 2020 Accepting new patients
The Good Samaritan Hospital of Lebanon, Pennsylvania Emergency Medicine CurrentSince Apr 7, 2024 Accepting new patients
Wellspan Medical Group Emergency Medicine Past Accepting new patients

Locations

169 Martin Ave
Ephrata, PA 17522
Phone (717) 733-0311

169 Martin Ave
#1002
Ephrata, PA 17522
Phone (717) 738-6818

147 Gettys St
Gettysburg, PA 17325
Phone (717) 334-2121

147 Gettys St
#3786
Gettysburg, PA 17325
Phone (717) 334-4216

252 S 4th St
Lebanon, PA 17042
Phone (717) 270-7500

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

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

605 S George St
Ste 200
York, PA 17401
Phone (717) 851-2334

Interoperability endpoints

  • Direct secure messaging: mcollin14287@wellspan.direct-ci.com

Organizations & group practices 8

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 11

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

NPI Registry JSON

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

{
    "created_epoch": "1398902400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772668800000",
    "number": "1497165229",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 S FRONT ST",
            "city": "HARRISBURG",
            "state": "PA",
            "postal_code": "171012010",
            "telephone_number": "717-988-0000",
            "fax_number": "717-782-5716"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 S FRONT ST",
            "city": "HARRISBURG",
            "state": "PA",
            "postal_code": "171012010",
            "telephone_number": "717-988-0000",
            "fax_number": "717-782-5716"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "252 S 4th St",
            "address_purpose": "LOCATION",
            "city": "Lebanon",
            "state": "PA",
            "postal_code": "170426111",
            "country_code": "US",
            "telephone_number": "717-270-7688",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "169 Martin Ave",
            "address_purpose": "LOCATION",
            "city": "Ephrata",
            "state": "PA",
            "postal_code": "175221734",
            "country_code": "US",
            "telephone_number": "717-738-6420",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "147 Gettys St",
            "address_purpose": "LOCATION",
            "city": "Gettysburg",
            "state": "PA",
            "postal_code": "173252534",
            "country_code": "US",
            "telephone_number": "717-337-4168",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1001 S George St",
            "address_2": "York Hospital",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "PA",
            "postal_code": "174033676",
            "country_code": "US",
            "telephone_number": "717-851-2311",
            "fax_number": "717-851-3469",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "COLLIN",
        "first_name": "MARK",
        "middle_name": "JUDSON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-05-01",
        "last_updated": "2026-03-05",
        "certification_date": "2026-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "MT205865",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Harrisburg, PA

Sources for this page

Verify at the official NPI Registry.