Individual provider Active NPI

Mark Pfaff

  • Orthopaedic Surgery Physician
  • Elkton, MD
National Provider Identifier
1194728469
Registry record updated Jan 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
H0-063647 Issued in MD
Practice address
160 Railroad Ave
Elkton, MD 21921-5538
Phone
(410) 996-8686
Fax
(410) 398-8997
NPI assigned
May 31, 2005
Last updated
Jan 12, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 12, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X H0-063647 MD Primary

Addresses

Primary practice location

160 Railroad Ave
Elkton, MD 21921-5538

Mailing address

160 Railroad Ave
Elkton, MD 21921-5538
Phone (410) 996-8686

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
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
I20051117000409 MD Practitioner - Orthopedic Surgery 1254393416 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Philadelphia College of Osteopathic Medicine, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

160 Railroad Ave
Elkton, MD 21921-5538
Phone (410) 996-8686

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.27 of 100Reported as individual
Quality
95.01
Improvement activities
40
Cost
62.34

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement13
Knee replacement33
Lower limb (leg) arthroscopy (minimally invasive joint repair)1-10
Upper limb (arm) arthroscopy (minimally invasive joint repair)1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
H0-063647MDMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Chesapeake Bone and Joint Center, LLC Orthopaedic Surgery CurrentSince Nov 1, 2005 Accepting new patients

Locations

160 Railroad Ave
Elkton, MD 21921
Phone (302) 999-8511

Organizations & group practices 1

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 2

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": "1117497600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768176000000",
    "number": "1194728469",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "160 RAILROAD AVE",
            "city": "ELKTON",
            "state": "MD",
            "postal_code": "219215538",
            "telephone_number": "410-996-8686",
            "fax_number": "410-398-8997"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "160 RAILROAD AVE",
            "city": "ELKTON",
            "state": "MD",
            "postal_code": "219215538",
            "telephone_number": "410-996-8686",
            "fax_number": "410-398-8997"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PFAFF",
        "first_name": "MARK",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-05-31",
        "last_updated": "2026-01-12",
        "certification_date": "2026-01-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MD",
            "license": "H0-063647",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Elkton, MD

Sources for this page

Verify at the official NPI Registry.