Courtney Callahan Dunn, OTR

Primary specialty

Occupational TherapistTaxonomy code 225X00000X

License

09139 Issued in MD

Practice address

14995 Shady Grove Rd Ste 350
Rockville, MD 20850-8726

Phone

(301) 251-1433

Fax

(301) 424-5266

NPI assigned

Sep 24, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other names 1

• Courtney Brooke Callahan Former name

Medicare fee-for-service enrollment

Enrolled in DC

Enrollment records 1

Specialty

Occupational Therapist in Private Practice

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Centers for Advanced Orthopaedics LLCGroup PAC ID 8123260981, 599 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

87.93 of 100Reported as group

Quality

86.7

Promoting interoperability

100

Improvement activities

40

Cost

73.06

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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

• Centers for Advanced Orthopaedics, LLC

  • Orthopaedic Surgery Physician
  • Manassas, VA
  • NPI 1265871958

  DC, Occupational Therapist

  Medicare reassignment Care Compare group NPD
• Centers for Advanced Orthopaedics, LLC

  • Orthopaedic Surgery Physician
  • Laurel, MD
  • NPI 1154760833
  NPD
• Centers for Advanced Orthopaedics, LLC

  • Orthopaedic Surgery Physician
  • Gainesville, VA
  • NPI 1063393833
  NPD
• Virginia Physician Assistants, LLC

  • Plastic and Reconstructive Surgery Physician
  • Falls Church, VA
  • NPI 1194415398
  NPD (past)

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

{
    "created_epoch": "1569283200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788134400000",
    "number": "1366093155",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14995 SHADY GROVE RD STE 350",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208508726"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14995 SHADY GROVE RD STE 350",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208508726",
            "telephone_number": "301-251-1433",
            "fax_number": "301-424-5266"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUNN",
        "first_name": "COURTNEY",
        "middle_name": "CALLAHAN",
        "credential": "OTR",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-09-24",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "VA",
            "license": "0119-008299",
            "primary": false
        },
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "DC",
            "license": "OT010001794",
            "primary": false
        },
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "MD",
            "license": "09139",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "COURTNEY",
            "last_name": "CALLAHAN",
            "middle_name": "BROOKE",
            "credential": "OTR",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Zaharulla Duni
• Kendra Dunkins
• Breona Dunlap-Griffin, LCPC, PSYD
• Kenzley Dunlap
• Natalya Dunlap
• Harold Dunn
• John Pickering Dunn, LCSW-C
• Meshach Dunn
• Tatiyanna Alyssa Dunn, BCBA
• Kevonna Dunnington

• Occupational Therapist in Rockville, MD
• Providers in Rockville, MD by specialty
• Occupational Therapist in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.