Individual provider Active NPI

George T Nahass, M.D.

  • Dermatopathology Physician
  • Glen Carbon, IL
National Provider Identifier
1215902986
Registry record updated Apr 24, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatopathology PhysicianTaxonomy code 207ND0900X
License
036094700 Issued in IL
Practice address
4573 Benes Ave
Glen Carbon, IL 64064-6293
Phone
(618) 961-1950
NPI assigned
Feb 17, 2006
Last updated
Apr 24, 2024By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 24, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatopathology Physician 207ND0900X 036094700 IL Primary

Addresses

Primary practice location

4573 Benes Ave
Glen Carbon, IL 64064-6293

Mailing address

2 Carlson Pkwy N Ste 240
Plymouth, MN 55447-4485
Phone (763) 367-7110

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, NY2 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
I20050908000440 IL Practitioner - Dermatology 3476585167 Reassigns benefits to 1 organization
I20250922000645 NY Practitioner - Dermatology 3476585167 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
Other, 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Schweiger Dermatology PLLCGroup PAC ID 5991947160, 254 clinicians
United Skin Specialists Illinois LTD PCGroup PAC ID 6709138258, 11 clinicians

Practice addresses (Care Compare)

137 W 96TH St
New York, NY 10025-6403
Phone (212) 283-3000

4107 S Water Tower PL
Mount Vernon, IL 62864-6784
Phone (618) 244-0031

Merit-based Incentive Payment System (MIPS)

Final score
95.75 of 100Reported as group
Promoting interoperability
95
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision191
Removal of skin lesions993
Removal or shaving of skin growth1-10
Skin biopsy371

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036094700ILMDDermatopathology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
United Skin Specialists Illinois LTD, PC Dermatopathology CurrentSince Aug 19, 2018 Accepting new patients
Schweiger Dermatology PLLC Dermatopathology CurrentSince Sep 15, 2025 Accepting new patients
Major Hospital Past Accepting new patients

Locations

1054 Martin Luther King Dr
Ste 223
Centralia, IL 62801
Phone (618) 244-0031

1054 Martin Luther King Dr
Ste 226
Centralia, IL 62801
Phone (618) 244-0031

4575 Benes Ave
Glen Carbon, IL 62034

12866 Troxler Ave
Highland, IL 62249
Phone (618) 651-2600

4107 S Water Tower Pl
Mount Vernon, IL 62864
Phone (618) 244-0031

1527 S Mill St
Nashville, IL 62263
Phone (314) 313-1691

2 Carlson Pkwy N
Ste 240
Plymouth, MN 55447
Phone (618) 961-1950

137 W 96th St
New York, NY 10025
Phone (212) 749-0802

1727 Broadway
#2
New York, NY 10019
Phone (212) 489-6669

33 E 33rd St
Fl 12
New York, NY 10016
Phone (631) 338-5184

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: george.nahass@schweigerderm.emadirect.md

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1140134400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1713916800000",
    "number": "1215902986",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 CARLSON PKWY N STE 240",
            "city": "PLYMOUTH",
            "state": "MN",
            "postal_code": "554474485",
            "telephone_number": "763-367-7110"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4573 BENES AVE",
            "city": "GLEN CARBON",
            "state": "IL",
            "postal_code": "640646293",
            "telephone_number": "618-961-1950"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NAHASS",
        "first_name": "GEORGE",
        "middle_name": "T",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-02-17",
        "last_updated": "2024-04-24",
        "certification_date": "2024-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ND0900X",
            "taxonomy_group": "",
            "desc": "Dermatology, Dermatopathology",
            "state": "IL",
            "license": "036094700",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Glen Carbon, IL

Sources for this page

Verify at the official NPI Registry.