Robert J O'Brien III, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

019211 Issued in NY

Practice address

523 E 72ND St FL 2
New York, NY 10021-4099

Phone

(212) 606-1844

Fax

(212) 746-8744

NPI assigned

Feb 4, 2014

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

Other identifiers 1

Electronic endpoints 3

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Interoperability endpoints

• Direct secure messaging: robrien35306@direct.hss.edu

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

{
    "created_epoch": "1391472000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1730937600000",
    "number": "1245654797",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "535 E 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100214823",
            "telephone_number": "212-606-1844",
            "fax_number": "212-746-8744"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "523 E 72ND ST FL 2",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100214099",
            "telephone_number": "212-606-1844",
            "fax_number": "212-746-8744"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "140 E Ridgewood Ave Ste 175S",
            "address_purpose": "LOCATION",
            "city": "Paramus",
            "state": "NJ",
            "postal_code": "076523917",
            "country_code": "US",
            "telephone_number": "212-606-1844",
            "fax_number": "212-746-8744",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "535 E 70th St",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100214823",
            "country_code": "US",
            "telephone_number": "212-606-1844",
            "fax_number": "212-746-8744",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "15 E Midland Ave Ste 1A",
            "address_purpose": "LOCATION",
            "city": "Paramus",
            "state": "NJ",
            "postal_code": "076522926",
            "country_code": "US",
            "telephone_number": "212-606-1844",
            "fax_number": "212-746-8744",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "400 Franklin Tpke Ste 200",
            "address_purpose": "LOCATION",
            "city": "Mahwah",
            "state": "NJ",
            "postal_code": "074303518",
            "country_code": "US",
            "telephone_number": "212-606-1844",
            "fax_number": "212-746-8744",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "ROBERT",
        "middle_name": "J",
        "name_suffix": "III",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-02-04",
        "last_updated": "2024-11-07",
        "certification_date": "2024-11-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NJ",
            "license": "25MP00329700",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "019211",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "04318796",
            "state": "NY"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0927.epichosted.com/FHIRProxy/api/FHIR/DSTU2",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "535 E 70th St",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100214823",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0927.epichosted.com/FHIRProxy/api/FHIR/R4/",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "535 E 70th St",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100214823",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "robrien35306@direct.HSS.edu",
            "affiliation": "N",
            "endpointDescription": "Hospital Direct Email Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "535 E 70th St",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100214823",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Michelle Esther O'Brien, PHD, LCSW
• Mikayla O'Brien, PA
• Molly Kathleen O'Brien, MD
• Monica O'Brien, NP
• Nicole Grace O'Brien, RD
• Sarah Yvonne O'Brien
• Shelly Ann O'Brien, R.N.
• Stephen J O'Brien, ORTHOPAEDIC SURGEON
• Tea Kirana O'Brien
• Theodore James O'Brien

• Physician Assistant in New York, NY
• Providers in New York, NY by specialty
• Physician Assistant in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 7, 2024; 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.