Individual provider Active NPI

Gregory J Adamson, M.D.

  • Sports Medicine (Orthopaedic Surgery) Physician
  • Pasadena, CA
National Provider Identifier
1972590610
Registry record updated Mar 4, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sports Medicine (Orthopaedic Surgery) PhysicianTaxonomy code 207XX0005X
License
G58923 Issued in CA
Practice address
800 S Raymond Ave
Pasadena, CA 91105-3229
Phone
(626) 795-8051
Fax
(626) 795-0356
NPI assigned
Sep 27, 2005
Reactivated
Apr 6, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 4, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X G58923 CA
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X G58923 CA Primary

Addresses

Primary practice location

800 S Raymond Ave
Pasadena, CA 91105-3229

Mailing address

PO Box 90730
Pasadena, CA 91109-0730
Phone (626) 795-8051

Other identifiers 2

IdentifierTypeStateIssuer
G58923OtherCAMEDICARE INDIVIDUAL ID
200011897OtherCARAIL ROAD MEDICARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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
I20040420001782 CA Practitioner - Sports MedicinePractitioner - Orthopedic Surgery 5991790198 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Sports MedicineAlso: Orthopedic Surgery
Education
University of Southern California Keck School of Medicine, 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
David B. HammerGroup PAC ID 3971559881, 117 clinicians
Cedars-Sinai Medical Care FoundationGroup PAC ID 0941106645, 1,684 clinicians

Practice addresses (Care Compare)

1051 Las Tablas Rd
Templeton, CA 93465-5603

800 S Raymond Ave
Pasadena, CA 91105-3229
Phone (626) 795-8051

Hospital & facility affiliations

  • Glendale Adventist Medical Center Hospital, Glendale, CA, CCN 050239
  • Huntington Hospital Hospital, Pasadena, CA, CCN 050438
  • Casa Colina Hospital Hospital, Pomona, CA, CCN 050782

Merit-based Incentive Payment System (MIPS)

Final score
89.14 of 100Reported as group
Quality
84.79
Promoting interoperability
99
Improvement activities
40
Cost
73.15

Procedures performed for Medicare patients

ProcedureNumber of procedures
Lower limb (leg) arthroscopy (minimally invasive joint repair)23
Upper limb (arm) arthroscopy (minimally invasive joint repair)19

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G58923CAMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cedars-Sinai Medical Care Foundation CurrentSince Mar 1, 2024 Accepting new patients
Congress Medical Surgery Center LLC Current Accepting new patients
Pasadena Hospital Association, LTD. Past Accepting new patients
Congress Surgical, Inc. PastSince Aug 1, 2005 Accepting new patients
Usc Verdugo Hills Hospital, LLC Past Accepting new patients

Locations

289 W Huntington Dr
Ste 304
Arcadia, CA 91007
Phone (626) 574-9745

8635 W 3rd St
Ste 465W
Los Angeles, CA 90048
Phone (310) 423-0674

800 S Raymond Ave
Fl 2
Pasadena, CA 91105
Phone (626) 755-1322

800 S Raymond Ave
Pasadena, CA 91105
Phone (626) 795-8051

800 S Raymond Ave
Fl 1
Pasadena, CA 91105

800 S Raymond Ave
Ste 2
Pasadena, CA 91105

4140 W 190th St
Torrance, CA 90504
Phone (310) 967-1780

Interoperability endpoints

  • Direct secure messaging: gregoryadamson@cortho.allscriptsdirect.net
  • Direct secure messaging: gadamson419122@direct.cshs.org

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 4

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

NPI Registry JSON

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

{
    "created_epoch": "1127779200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1709510400000",
    "number": "1972590610",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 90730",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911090730",
            "telephone_number": "626-795-8051",
            "fax_number": "626-795-0356"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 S RAYMOND AVE",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911053229",
            "telephone_number": "626-795-8051",
            "fax_number": "626-795-0356"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ADAMSON",
        "first_name": "GREGORY",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-09-27",
        "last_updated": "2024-03-04",
        "certification_date": "2024-03-04",
        "deactivation_date": "2006-03-24",
        "reactivation_date": "2006-04-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "G58923",
            "primary": false
        },
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "CA",
            "license": "G58923",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE INDIVIDUAL ID",
            "identifier": "G58923",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAIL ROAD MEDICARE",
            "identifier": "200011897",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Pasadena, CA

Sources for this page

Verify at the official NPI Registry.