Arthur George Affleck IV, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

D0104933 Issued in MD

Practice address

2435 W Belvedere Ave
Baltimore, MD 21215-5224

Phone

(410) 601-0601

NPI assigned

Mar 27, 2018

Last updated

Nov 14, 2025By 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 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

General Surgery

Education

University of North Carolina at Chapel Hill School of Medicine, 2018

Medicare assignment

May accept Medicare assignment

Group practices

Sinai Hospital of Baltimore, IncGroup PAC ID 0941112346, 373 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwest Hospital Center Hospital, Randallstown, MD, CCN 210040
• Sinai Hospital of Baltimore Hospital, Baltimore, MD, CCN 210012

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Sinai Hospital of Baltimore Inc

  • Surgical Critical Care Physician
  • Baltimore, MD
  • NPI 1043235666
  Medicare reassignment Care Compare group NPD
• Sinai Hospital of Baltimore Inc

  • Surgery Physician
  • Baltimore, MD
  • NPI 1033134663
  NPD
• Sinai Hospital of Baltimore, Inc.

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1285672204
  NPD
• Northwest Hospital Center, Inc.

  • General Acute Care Hospital
  • Randallstown, MD
  • NPI 1487695888
  NPD (past)

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

• Northwest Hospital Center, Inc.

  • General Acute Care Hospital
  • Randallstown, MD
  • NPI 1487695888
  Care Compare affiliation
• Sinai Hospital of Baltimore, Inc.

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1285672204
  Care Compare affiliation
• Sinai Hospital of Baltimore, Inc.

  dba Grace Medical Center, A Sinai Hospital Facility

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1487325874
  Care Compare affiliation

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

{
    "created_epoch": "1522108800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763078400000",
    "number": "1043715626",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2435 W BELVEDERE AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212155224",
            "telephone_number": "410-601-0601"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2435 W BELVEDERE AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212155224",
            "telephone_number": "410-601-0601"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AFFLECK",
        "first_name": "ARTHUR",
        "middle_name": "GEORGE",
        "name_suffix": "IV",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-27",
        "last_updated": "2025-11-14",
        "certification_date": "2025-11-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MD",
            "license": "D0104933",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Surgery Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Surgery Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 14, 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.