Justin Brian Gan, M.D.

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

036125595 Issued in IL

Practice address

9650 Gross Point Rd Ste 3900
Skokie, IL 60076-5085

Phone

(847) 570-2503

Fax

(847) 568-1696

NPI assigned

Aug 29, 2008

Last updated

Jul 29, 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 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IL

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

Specialty

RheumatologyAlso: Internal Medicine

Education

Boston University School of Medicine, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Endeavor Health Medical GroupGroup PAC ID 2163334699, 3,330 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northshore University Healthsystem - Evanston Hospital Hospital, Evanston, IL, CCN 140010
• Swedish Hospital Hospital, Chicago, IL, CCN 140114
• Advocate Lutheran General Hospital Hospital, Park Ridge, IL, CCN 140223
• Northwest Community Hospital 1 Hospital, Arlington Heights, IL, CCN 140252

Merit-based Incentive Payment System (MIPS)

Final score

84.9 of 100Reported as group

Quality

75.91

Promoting interoperability

99

Improvement activities

40

Cost

74.6

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Endeavor Health Medical Group

  dba NorthShore University HealthSystem Faculty Practice Associates

  • Emergency Medicine Physician
  • Evanston, IL
  • NPI 1497701882

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Endeavor Health Medical Group

  dba NorthShore Anesthesia Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD

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

• Advocate Health and Hospitals Corporation

  dba Advocate Lutheran General Hospital

  • General Acute Care Hospital
  • Park Ridge, IL
  • NPI 1164539730
  Care Compare affiliation
• Endeavor Health Clinical Operations

  dba Endeavor Health Evanston Hospital

  • General Acute Care Hospital
  • Evanston, IL
  • NPI 1184670549
  Care Compare affiliation
• Northwest Community Hospital

  dba Endeavor Health Northwest Community Hospital

  • General Acute Care Hospital
  • Arlington Heights, IL
  • NPI 1578932869
  Care Compare affiliation
• Northwest Community Hospital

  dba Endeavor Health Northwest Community Hospital

  • General Acute Care Hospital
  • Arlington Heights, IL
  • NPI 1770531600
  Care Compare affiliation
• Swedish Covenant Health

  dba Endeavor Health Swedish Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1831151257
  Care Compare affiliation

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

{
    "created_epoch": "1219968000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785283200000",
    "number": "1851549067",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE STE 1223",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700",
            "telephone_number": "847-982-3175",
            "fax_number": "847-982-3394"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9650 GROSS POINT RD STE 3900",
            "city": "SKOKIE",
            "state": "IL",
            "postal_code": "600765085",
            "telephone_number": "847-570-2503",
            "fax_number": "847-568-1696"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GAN",
        "first_name": "JUSTIN",
        "middle_name": "BRIAN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-08-29",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "076047",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "IL",
            "license": "036125595",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jgan240552@direct.northshore.org",
            "affiliation": "N",
            "address_1": "9650 Gross Point Rd Ste 3900",
            "city": "Skokie",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600765085",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Sara R Gallant, LMFT
• Vanessa Isabel Gallegos, ED.S
• Galm Solutions Inc
• Tanya Galperin
• Ilana J Galster, OTR-L
• Eric Gaode, MA, LPC
• Alina Garaeva
• Rajeev Garapati, MD
• Theresa Ann Garbaciak, OTRL
• Charles Nathan Garber, R.PH.

• Rheumatology Physician in Skokie, IL
• Providers in Skokie, IL by specialty
• Rheumatology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.