James Harrell Masterson, M.D.

Primary specialty

Urology PhysicianTaxonomy code 208800000X

License

D0090586 Issued in MD

Practice address

810 Bestgate Rd Ste 235
Annapolis, MD 21401-3656

Phone

(443) 231-1500

NPI assigned

Jun 20, 2008

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in DC, FL, MD3 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 3

Specialty

Urology

Education

Uniformed Services Uhs Fe Hebert School of Med, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Chesapeake Urology Associates LLCGroup PAC ID 4789673393, 161 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Luminis Health Anne Arundel Medical Center, Inc Hospital, Annapolis, MD, CCN 210023
• Saint Agnes Hospital Hospital, Baltimore, MD, CCN 210011
• University of MD Capital Region Medical Center Hospital, Upper Marlboro, MD, CCN 210003
• Medstar Southern Maryland Hospital Center Hospital, Clinton, MD, CCN 210062

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: james.masterson@hca6.eclinicaldirectplus.com
• Direct secure messaging: jmasterson840013@direct.umm.edu
• Direct secure messaging: jamesmasterson@tsicua.allscriptsdirect.net

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.

• Chesapeake Urology Associates, LLC

  • Hematology & Oncology Physician
  • Stevensville, MD
  • NPI 1467337337
  Medicare reassignment Care Compare group NPD
• Chesapeake Urology Associates, LLC

  • Urology Physician
  • Silver Spring, MD
  • NPI 1700153921

  DC

  Medicare reassignment NPD
• University of Florida Jacksonville Physicians, Inc.

  • Internal Medicine Physician
  • Jacksonville, FL
  • NPI 1144276452
  Medicare reassignment NPD
• Chesapeake Urology Associates LLC

  • Urology Physician
  • Owings Mills, MD
  • NPI 1609823004
  NPD
• University of Florida Jacksonville Physicians Inc

  • Surgery Physician
  • Jacksonville, FL
  • NPI 1588824858
  NPD
• University of Florida Jacksonville Physicians, Inc.

  • Physiological Laboratory
  • Jacksonville, FL
  • NPI 1831800952
  NPD
• Chesapeake Urology Associates, LLC

  • Urology Physician
  • Seaford, DE
  • NPI 1043719123
  NPD (past)

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

• Dimensions Health Corporation

  • General Acute Care Hospital
  • Upper Marlboro, MD
  • NPI 1720099286
  Care Compare affiliation
• Luminis Health Anne Arundel Medical Center, Inc.

  • Clinical Medical Laboratory
  • Annapolis, MD
  • NPI 1356885032

  Hospital

  Care Compare affiliation
• Luminis Health Anne Arundel Medical Center, Inc.

  • General Acute Care Hospital
  • Annapolis, MD
  • NPI 1477517225
  Care Compare affiliation
• Medstar Southern Maryland Hospital Center Inc

  • General Acute Care Hospital
  • Clinton, MD
  • NPI 1366790693
  Care Compare affiliation
• St. Agnes Healthcare, Inc.

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1245274901
  Care Compare affiliation

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

{
    "created_epoch": "1213920000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741737600000",
    "number": "1639330889",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10200 GRAND CENTRAL AVE STE 220",
            "city": "OWINGS MILLS",
            "state": "MD",
            "postal_code": "211174366"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "810 BESTGATE RD STE 235",
            "city": "ANNAPOLIS",
            "state": "MD",
            "postal_code": "214013656",
            "telephone_number": "443-231-1500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8901 Rockville Pike",
            "address_purpose": "LOCATION",
            "city": "Bethesda",
            "state": "MD",
            "postal_code": "208890001",
            "country_code": "US",
            "telephone_number": "301-526-1350",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASTERSON",
        "first_name": "JAMES",
        "middle_name": "HARRELL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-06-20",
        "last_updated": "2025-03-12",
        "certification_date": "2025-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "MD",
            "license": "D0090586",
            "primary": true
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "VA",
            "license": "0101246002",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elee Oneill Masselink, CPNP
• Amy T. Masser
• Gina M Massoglia, MD
• Stephanie Collins Mastal
• Masterpiece Institute of Aesthetics and Gynecology
• Matcare, LLC
• Matclinic Physicians Practice Group LLC
• Matclinic Physicians Practice Group LLC
• Matclinic Physicians Practice Group LLC
• Matclinic Physicians Practice Group LLC

• Urology Physician in Annapolis, MD
• Providers in Annapolis, MD by specialty
• Urology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 12, 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.