Individual provider Active NPI

Mark Louis Messmer, D.O.

  • Orthopaedic Surgery Physician
  • Roxboro, NC
National Provider Identifier
1508209073
Registry record updated Jun 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
2019-00888 Issued in NC
Practice address
799 Doctors CT
Roxboro, NC 27573-4571
Phone
(919) 220-5255
NPI assigned
Apr 15, 2013
Last updated
Jun 2, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 2, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X OS017505 PA
Orthopaedic Surgery Physician 207X00000X 2019-00888 NC Primary

Addresses

Primary practice location

799 Doctors CT
Roxboro, NC 27573-4571

Mailing address

PO Box 5105
Belfast, ME 04915-5100
Phone (919) 220-5255

Other practice location 1

503 Ridge Rd
Roxboro, NC 27573-4627
Phone (336) 503-5757

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, NC2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20200117000628 PA Practitioner - Orthopedic Surgery 7315255312 Reassigns benefits to 1 organization
I20220324001242 NC Practitioner - Orthopedic Surgery 7315255312 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
West Virginia School of Osteopathic Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Emergeortho PAGroup PAC ID 0749188894, 726 clinicians
Accelerated Care IncGroup PAC ID 8921041138, 47 clinicians

Practice addresses (Care Compare)

107 E McClanahan St
Oxford, NC 27565-2919
Phone (919) 692-1105

337 S Madison Blvd
Roxboro, NC 27573-5464

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Knee replacement13
Lower limb (leg) arthroscopy (minimally invasive joint repair)1-10
Upper limb (arm) arthroscopy (minimally invasive joint repair)13

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2019-00888NCMDOrthopaedic Surgery Physician
OS017505PAMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Wellspan Medical Group CurrentSince Jan 27, 2020 Accepting new patients
Wellspan Medical Group CurrentSince Jan 27, 2020 Accepting new patients
Emergeortho PA Orthopaedic Surgery CurrentSince Sep 1, 2025 Accepting new patients
Wellspan Medical Group Current Accepting new patients
Emergeortho PA CurrentSince Sep 1, 2025 Accepting new patients

Locations

107 E McClanahan St
Oxford, NC 27565
Phone (919) 690-8588

799 Doctors Ct
Roxboro, NC 27573
Phone (336) 599-4079

912 Russell Dr
Lebanon, PA 17042
Phone (717) 272-7971

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

Interoperability endpoints

  • Direct secure messaging: mark.messmer.1@20247.direct.athenahealth.com
  • Direct secure messaging: mark.messmer.1@847.direct.athenahealth.com
  • Direct secure messaging: mmessmer217173@wellspan.direct-ci.com

Organizations & group practices 6

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 4

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": "1365984000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748822400000",
    "number": "1508209073",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5105",
            "city": "BELFAST",
            "state": "ME",
            "postal_code": "049155100",
            "telephone_number": "919-220-5255"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "799 DOCTORS CT",
            "city": "ROXBORO",
            "state": "NC",
            "postal_code": "275734571",
            "telephone_number": "919-220-5255"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "503 Ridge Rd",
            "address_purpose": "LOCATION",
            "city": "Roxboro",
            "state": "NC",
            "postal_code": "275734627",
            "country_code": "US",
            "telephone_number": "336-503-5757",
            "fax_number": "336-503-5757",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MESSMER",
        "first_name": "MARK",
        "middle_name": "LOUIS",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-04-15",
        "last_updated": "2025-06-02",
        "certification_date": "2025-06-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "PA",
            "license": "OS017505",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "NC",
            "license": "2019-00888",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Roxboro, NC

Sources for this page

Verify at the official NPI Registry.