Individual provider Active NPI

Ryan Joseph Lamm, M.D.

  • Surgical Oncology Physician
  • Duarte, CA
National Provider Identifier
1891228482
Registry record updated Jul 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Oncology PhysicianTaxonomy code 2086X0206X
License
A193350 Issued in CA
Practice address
1500 Duarte Rd
Duarte, CA 91010-3012
Phone
(516) 547-7676
NPI assigned
Apr 10, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 28, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Oncology Physician 2086X0206X A193350 CA Primary

Addresses

Primary practice location

1500 Duarte Rd
Duarte, CA 91010-3012

Mailing address

801 E Walnut St Apt 1302
Pasadena, CA 91101-5605
Phone (516) 547-7676

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
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

Enrollment IDStateProvider typePAC IDDetails
I20170512001751 PA Order and Referring Only - General SurgeryPractitioner - General Surgery 2163709569

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A193350CAMDSurgical Oncology Physician

Interoperability endpoints

  • Direct secure messaging: rlamm189810@cityofhope.direct-ci.com

NPI Registry JSON

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

{
    "created_epoch": "1491782400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753660800000",
    "number": "1891228482",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "801 E WALNUT ST APT 1302",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911015605",
            "telephone_number": "516-547-7676"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 DUARTE RD",
            "city": "DUARTE",
            "state": "CA",
            "postal_code": "910103012",
            "telephone_number": "516-547-7676"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAMM",
        "first_name": "RYAN",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-04-10",
        "last_updated": "2025-07-28",
        "certification_date": "2025-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "CA",
            "license": "A193350",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Duarte, CA

Sources for this page

Verify at the official NPI Registry.