Ronald J. Ross Jr., M.D.

Primary specialty

Emergency Medical Services (Emergency Medicine) PhysicianTaxonomy code 207PE0004X

License

D0022615 Issued in MD

Practice address

100 Hospital Rd
Prince Frederick, MD 20678-4017

Phone

(301) 855-1012

NPI assigned

Jun 5, 2006

Last updated

Jul 13, 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 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Hospital Physician Services, LLLP

  • General Acute Care Hospital
  • Westminster, MD
  • NPI 1457302713
  NPD (past)
• Joseph S. Fastow, M.D., P.a.

  • Critical Access Hospital
  • Prince Frederick, MD
  • NPI 1861443103
  NPD (past)

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

{
    "created_epoch": "1149465600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1396784542",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 809",
            "address_2": "14758 PATUXANT AVE",
            "city": "SOLOMONS",
            "state": "MD",
            "postal_code": "206880809",
            "telephone_number": "410-394-1295"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 HOSPITAL RD",
            "city": "PRINCE FREDERICK",
            "state": "MD",
            "postal_code": "206784017",
            "telephone_number": "301-855-1012"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROSS",
        "first_name": "RONALD",
        "middle_name": "J.",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-05",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207PE0004X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Emergency Medical Services",
            "state": "MD",
            "license": "D0022615",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Travis Wayne Roberts, NP-C
• Kesha Shunte Robertson, M.D.
• Mary Rocque
• Roe A Rodgers-Bonaccorsy, LCADC, LCPC
• Kasey Rolfes, DHA, LAT, RCEP
• Sarah E Rothhaas, P.A.
• Rodney James Roundtree Jr., LCPC
• Wayne Mark Rozran, M. D.
• Claudette Marie Ruehl, LC-ADC
• Sarah C Rupert, LGPC

• Emergency Medical Services (Emergency Medicine) Physician in Prince Frederick, MD
• Providers in Prince Frederick, MD by specialty
• Emergency Medical Services (Emergency Medicine) Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.