Nathan Stephen Bryan, DO

Primary specialty

Pediatric Gastroenterology PhysicianTaxonomy code 2080P0206X

License

20A25688 Issued in CA

Practice address

3030 Childrens Way
San Diego, CA 92123-4232

Phone

(858) 966-4003

NPI assigned

Mar 25, 2019

Last updated

Jul 28, 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 3

Addresses

Medicare fee-for-service enrollment

Enrolled in DC

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nbryan1034448@direct.hopkinsmedicine.org

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.

• Bethesda Emergency Associates LLC

  • Emergency Medicine Physician
  • Bethesda, MD
  • NPI 1639125941

  DC

  Medicare reassignment NPD
• Rady Children's Hospital San Diego

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • San Diego, CA
  • NPI 1851303994
  NPD (past)

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

{
    "created_epoch": "1553472000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785196800000",
    "number": "1477013498",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3020 CHILDRENS WAY",
            "address_2": "MC5003",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921234223",
            "telephone_number": "858-576-1700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3030 CHILDRENS WAY",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921234232",
            "telephone_number": "858-966-4003"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BRYAN",
        "first_name": "NATHAN",
        "middle_name": "STEPHEN",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-25",
        "last_updated": "2026-07-28",
        "certification_date": "2026-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MD",
            "license": "D95927",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "20A25688",
            "primary": false
        },
        {
            "code": "2080P0206X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Gastroenterology",
            "state": "CA",
            "license": "20A25688",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Johnnisha Brutus
• Bryan Dieffenbach, Inc.
• Bryan E Bruns MD a Medical Corp
• Bryan L Abramowitz, MD Inc.
• Mary Beth Bryan, PSYD
• Robert Joseph Bryan Jr.
• Taylor Marie Bryan
• Nancy Bryant-Wallis, LCSW
• Alexis Bryant
• Ashley Bryant

• Pediatric Gastroenterology Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Pediatric Gastroenterology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 28, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.