Individual provider Active NPI

Spencer NG, MD PHD

  • Dermatology Physician
  • Saint Louis, MO
National Provider Identifier
1235633652
Registry record updated Apr 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
2024013120 Issued in MO
Practice address
4500 Forest Park Ave
Div Im Dermatology, 6TH FL
Saint Louis, MO 63108-2114
Phone
(314) 273-3376
Fax
(888) 665-8309
NPI assigned
Mar 20, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 17, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatopathology Physician 207ND0900X 2024013120 MO
Internal Medicine Physician 207R00000X 2024013120 MO
Dermatology Physician 207N00000X 2024013120 MO Primary

Addresses

Primary practice location

4500 Forest Park Ave
Div Im Dermatology, 6TH FL
Saint Louis, MO 63108-2114

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 273-3376

Other identifiers 1

IdentifierTypeStateIssuer
200140817MedicaidMO

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, MO2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20220810002474 IL Practitioner - Dermatology 7416281746 Reassigns benefits to 1 organization
I20240523001374 MO Practitioner - DermatologyPractitioner - Internal MedicinePractitioner - Pathology 7416281746 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
DermatologyAlso: Internal Medicine, Pathology
Education
Emory University School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Washington UniversityGroup PAC ID 9830008770, shared by 49 NPIs, 2,968 clinicians

Practice addresses (Care Compare)

1 Barnes Jewish Hospital PLZ
FL 3
Saint Louis, MO 63110-1003
Phone (314) 362-5641

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.2 of 100Reported as group
Quality
71.6
Promoting interoperability
100
Improvement activities
40
Cost
75.75

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions407
Removal or shaving of skin growth12
Skin biopsy158

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Northwestern Medical Faculty Foundation CurrentSince Jul 1, 2022 Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Jul 1, 2022 Accepting new patients
Washington University CurrentSince Jul 1, 2024 Accepting new patients
Washington University CurrentSince Jul 1, 2024 Accepting new patients
Washington University CurrentSince Jul 1, 2024 Accepting new patients
Central Dupage Physician Group Internal Medicine Past Accepting new patients

Locations

Dept 5777
Carol Stream, IL 60122

676 N Saint Clair St
Chicago, IL 60611
Phone (312) 642-9844

676 N Saint Clair St
Ste 1600
Chicago, IL 60611
Phone (312) 695-8106

660 N Westmoreland Rd
#302
Lake Forest, IL 60045

4901 Forest Park Ave
Ste 502
Saint Louis, MO 63108
Phone (314) 273-3376

1 Barnes Jewish Hospital Plz
#P
Saint Louis, MO 63110
Phone (618) 474-1074

1 Barnes Jewish Hospital Plz
Fl 3
Saint Louis, MO 63110

660 S Euclid Ave
Saint Louis, MO 63110

8 Millstone Campus Dr
Saint Louis, MO 63146
Phone (314) 273-4375

4500 Forest Park Ave
Fl 6
Saint Louis, MO 63108
Phone (314) 273-3376

1 Barnes Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-9170

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 2

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": "1521504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1235633652",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-273-3376",
            "fax_number": "888-665-8309"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4500 FOREST PARK AVE",
            "address_2": "DIV IM DERMATOLOGY, 6TH FL",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631082114",
            "telephone_number": "314-273-3376",
            "fax_number": "888-665-8309"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NG",
        "first_name": "SPENCER",
        "name_prefix": "Dr.",
        "credential": "MD PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-20",
        "last_updated": "2025-04-17",
        "certification_date": "2024-05-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ND0900X",
            "taxonomy_group": "",
            "desc": "Dermatology, Dermatopathology",
            "state": "MO",
            "license": "2024013120",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2024013120",
            "primary": false
        },
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "MO",
            "license": "2024013120",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200140817",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "4500 Forest Park Ave",
            "address_2": "Div IM Dermatology, 6th Fl",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631082114",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.