Grant Thomas Duvall

Primary specialty

Adult Reconstructive Orthopaedic Surgery PhysicianTaxonomy code 207XS0114X

License

D0103694 Issued in MD

Practice address

201 E University Pkwy Dept of
Baltimore, MD 21218-2829

Phone

(410) 554-2857

Fax

(410) 554-4326

NPI assigned

Mar 20, 2019

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

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

Specialty

Orthopedic Surgery

Education

University of Maryland School of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Agape Physical Therapy and Sports Rehabilitation LPGroup PAC ID 3870741390, 684 clinicians

Greater Baltimore Medical CenterGroup PAC ID 1759276975, 350 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• The Johns Hopkins Home Health Services, Inc Home health agency, Baltimore, MD, CCN 217081
• Greater Baltimore Medical Center Hospital, Baltimore, MD, CCN 210044

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gduvall272762@nyumc.direct-ci.com

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.

• Greater Baltimore Medical Center, Inc

  dba GBMC Dept of OBGYN, L&D

  • Obstetrics & Gynecology Physician
  • Baltimore, MD
  • NPI 1891855763

  Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Agape Physical Therapy & Sports Rehabilitation LP

  • Physical Therapist
  • Forest Hill, MD
  • NPI 1578900668
  Care Compare group
• Greater Baltimore Medical Center, Inc.

  • Sleep Medicine (Internal Medicine) Physician
  • Baltimore, MD
  • NPI 1538029731

  Multi-Specialty

  NPD
• Greater Baltimore Medical Center, Inc.

  dba GBMC at Texas Station

  • Internal Medicine Physician
  • Timonium, MD
  • NPI 1922820208

  Multi-Specialty

  NPD
• Greater Baltimore Medical Center, Inc.

  • Medical Oncology Physician
  • Baltimore, MD
  • NPI 1235167297

  Multi-Specialty

  NPD (past)

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

• The Johns Hopkins Home Health Services, Inc.

  • Home Health Agency
  • Baltimore, MD
  • NPI 1669551321
  Care Compare affiliation Name & address match
• Greater Baltimore Medical Center, Inc.

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1255372397
  Care Compare affiliation

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

{
    "created_epoch": "1553040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755043200000",
    "number": "1629538392",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "201 E UNIVERSITY PKWY DEPT OF",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212182829",
            "telephone_number": "410-554-2857",
            "fax_number": "410-554-4326"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "201 E UNIVERSITY PKWY DEPT OF",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212182829",
            "telephone_number": "410-554-2857",
            "fax_number": "410-554-4326"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "201 E University Pkwy",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212182829",
            "country_code": "US",
            "telephone_number": "443-853-9010",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DUVALL",
        "first_name": "GRANT",
        "middle_name": "THOMAS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-03-20",
        "last_updated": "2025-08-13",
        "certification_date": "2025-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XS0114X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery",
            "state": "MD",
            "license": "D0103694",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kristi Dutta, MD
• Samantha Rae Dutta
• Amanda Dutton
• Cassidy Duvall
• Chloe Ruth Duvall, MD
• Maxim P Duvalsaint, PA-C
• Moira Colleen Dux, PH.D.
• Dva Healthcare of Maryland LLC (25th Street Dialysis)
• Dva Healthcare of Maryland LLC (Whitesquare Dialysis)
• Dva Healthcare of Maryland LLC (Howard Street Dialysis)

• Adult Reconstructive Orthopaedic Surgery Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Adult Reconstructive Orthopaedic Surgery Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.