Individual provider Active NPI

Scott Thomas Guenthner, MD

  • Dermatology Physician
  • Greenwood, IN
National Provider Identifier
1396748778
Registry record updated Feb 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
01051021A Issued in IN
Practice address
2800 S State Road 135 Ste 250
Greenwood, IN 46143-6223
Phone
(317) 300-1788
Fax
(317) 743-8103
NPI assigned
May 31, 2005
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207N00000X 01051021A IN Primary

Addresses

Primary practice location

2800 S State Road 135 Ste 250
Greenwood, IN 46143-6223

Mailing address

111 New Hampshire Ave Ste 2
Portsmouth, NH 03801-2864
Phone (330) 947-6021

Other practice location 1

6639 Whitestown Pkwy
Zionsville, IN 46077-7622
Phone (317) 732-8980

Other practice location 2

2155 E Main St
Plainfield, IN 46168-1816
Phone (855) 297-9689

Other practice location 3

1010 W 2nd St
Bloomington, IN 47403-2217
Phone (812) 200-2458

Other identifiers 1

IdentifierTypeStateIssuer
200417550AMedicaidIN

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN
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
I20080401000162 IN Practitioner - Dermatology 5294811253 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
University of Iowa, RJ & L Carver College of Medicine, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Optima Dermatology LLCGroup PAC ID 3971561648, 74 clinicians

Practice addresses (Care Compare)

1010 W 2ND St
Bloomington, IN 47403-2217
Phone (812) 200-2458

2155 E Main St
Plainfield, IN 46168-1816
Phone (855) 297-9689

6639 Whitestown Pkwy
Zionsville, IN 46077-7622
Phone (317) 732-8980

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.65 of 100Reported as group
Promoting interoperability
89
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1428
Skin biopsy812

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
01051021AINMDDermatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Optima Dermatology LLC Single Specialty CurrentSince Aug 1, 2023 Accepting new patients
Dermatology Center of Indiana PC Single Specialty Current Accepting new patients
Dermatology Center of Indiana PC Single Specialty CurrentSince Feb 12, 2002 Accepting new patients
Advanced Dermatology and Skin Cancer Center Past Accepting new patients

Locations

1010 W 2nd St
#O
Bloomington, IN 47403
Phone (812) 200-2458

1010 W 2nd St
Bloomington, IN 47403
Phone (812) 200-2458

2800 S State Road 135
Ste 250
Greenwood, IN 46143
Phone (317) 203-5884

1100 Southfield Dr
Ste 1240
Plainfield, IN 46168
Phone (317) 837-6082

2155 E Main St
Plainfield, IN 46168
Phone (317) 204-6800

824 Edwards Dr
Ste 100
Plainfield, IN 46168

824 Edwards Dr
Plainfield, IN 46168
Phone (317) 406-3254

6639 Whitestown Pkwy
Zionsville, IN 46077
Phone (317) 732-8980

111 New Hampshire Ave
Ste 2
Portsmouth, NH 03801
Phone (603) 319-4490

987 Boardman Canfield Rd
Youngstown, OH 44512
Phone (330) 271-8589

Organizations & group practices 4

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": "1117497600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771977600000",
    "number": "1396748778",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 NEW HAMPSHIRE AVE STE 2",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "038012864",
            "telephone_number": "330-947-6021"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2800 S STATE ROAD 135 STE 250",
            "city": "GREENWOOD",
            "state": "IN",
            "postal_code": "461436223",
            "telephone_number": "317-300-1788",
            "fax_number": "317-743-8103"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6639 Whitestown Pkwy",
            "address_purpose": "LOCATION",
            "city": "Zionsville",
            "state": "IN",
            "postal_code": "460777622",
            "country_code": "US",
            "telephone_number": "317-732-8980",
            "fax_number": "317-732-8979",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2155 E Main St",
            "address_purpose": "LOCATION",
            "city": "Plainfield",
            "state": "IN",
            "postal_code": "461681816",
            "country_code": "US",
            "telephone_number": "855-297-9689",
            "fax_number": "603-451-6001",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1010 W 2nd St",
            "address_purpose": "LOCATION",
            "city": "Bloomington",
            "state": "IN",
            "postal_code": "474032217",
            "country_code": "US",
            "telephone_number": "812-200-2458",
            "fax_number": "930-200-8590",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUENTHNER",
        "first_name": "SCOTT",
        "middle_name": "THOMAS",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-05-31",
        "last_updated": "2026-02-25",
        "certification_date": "2026-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dermatology",
            "state": "IN",
            "license": "01051021A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200417550A",
            "state": "IN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenwood, IN

Sources for this page

Verify at the official NPI Registry.