Angus Brennan Worthing, MD

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

MD035407 Issued in DC

Practice address

2021 K St NW Ste 300
Washington, DC 20006-1012

Phone

(301) 942-7600

Fax

(202) 419-0418

NPI assigned

Apr 8, 2008

Last updated

Feb 17, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in DC

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

Rheumatology

Education

University of Minnesota Medical School, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Arthritis and Rheumatism Associates PCGroup PAC ID 5597750703, 50 clinicians

Suburban/NRH Medical Rehabilitation IncGroup PAC ID 6507846771, 885 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sibley Memorial Hospital Hospital, Washington, DC, CCN 090005
• Virginia Hospital Center Hospital, Arlington, VA, CCN 490050

Merit-based Incentive Payment System (MIPS)

Final score

85.72 of 100Reported as group

Quality

93.41

Promoting interoperability

100

Improvement activities

40

Cost

59

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: angus.worthing.p1@direct.aramd.nextgenshare.com
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Arthritis and Rheumatism Associates PC

  • Rheumatology Physician
  • Rockville, MD
  • NPI 1447259866

  DC

  Medicare reassignment Care Compare group NPD
• Suburban/NRH Medical Rehabilitation Inc

  dba NRH Rehabilitation Network at Bethesda

  • Rehabilitation Clinic/Center
  • Bethesda, MD
  • NPI 1457354748
  Care Compare group
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

• Lucy Webb Hayes National Training School for Deaconesses & Missionarie

  dba Sibley Memorial Hospital

  • General Acute Care Hospital
  • Washington, DC
  • NPI 1366492977
  Care Compare affiliation
• Virginia Hospital Center Arlington Health System

  • General Acute Care Hospital
  • Arlington, VA
  • NPI 1790785996
  Care Compare affiliation

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

{
    "created_epoch": "1207612800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771286400000",
    "number": "1558534925",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7361 CALHOUN PL STE 600",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208552788",
            "telephone_number": "301-942-7600",
            "fax_number": "301-942-3521"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2021 K ST NW STE 300",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200061012",
            "telephone_number": "301-942-7600",
            "fax_number": "202-419-0418"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5454 Wisconsin Ave Ste 600",
            "address_purpose": "LOCATION",
            "city": "Chevy Chase",
            "state": "MD",
            "postal_code": "208156927",
            "country_code": "US",
            "telephone_number": "301-942-7600",
            "fax_number": "301-652-0210",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WORTHING",
        "first_name": "ANGUS",
        "middle_name": "BRENNAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-04-08",
        "last_updated": "2026-02-17",
        "certification_date": "2026-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "MD",
            "license": "D0067477",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "DC",
            "license": "MD035407",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Worship Healthcare Inc
• Katherine Marie Worst, CPNP-AC
• Brett Mark Wortham, M.D.
• Lycurtis Wortham
• Whitney Wortham, LGSW
• Emily Worthington, LPC, NCC
• Heath Worthington
• Tanisha Worthy Williams, DNP, MSN, CPNP-AC
• Jalissa Worthy, LGSW
• Tat'Yana Worthy, RN

• Rheumatology Physician in Washington, DC
• Providers in Washington, DC by specialty
• Rheumatology Physician in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 17, 2026; 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.