Individual provider Active NPI

Patricia A Treadwell, MD

  • Pediatric Dermatology Physician
  • Indianapolis, IN
National Provider Identifier
1508892613
Registry record updated Mar 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Dermatology PhysicianTaxonomy code 207NP0225X
License
42670 Issued in KY
Practice address
705 Riley Hospital Dr
Indianapolis, IN 46202-5109
Phone
(317) 944-2801
NPI assigned
Jun 23, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 11, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Hematology & Oncology Physician 2080P0207X 01029925 IN
Dermatology Physician 207N00000X 01029925A IN
Pediatric Dermatology Physician 207NP0225X 42670 KY Primary
Pediatrics Physician 208000000X 01029925A IN

Addresses

Primary practice location

705 Riley Hospital Dr
Indianapolis, IN 46202-5109

Mailing address

PO Box 719094
Chicago, IL 60677-9318
Phone (317) 777-6921

Other identifiers 1

IdentifierTypeStateIssuer
100131630MedicaidIN

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address ptreadwell15181@direct.eskenaziihealth.edu Direct Eskenazi Health
Direct Messaging Address ptreadwe@direct.iuhealth.org

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
I20100730000856 IN Practitioner - DermatologyPractitioner - Pediatric Medicine 3577696319 Reassigns benefits to 7 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
01029925AINMDDermatology Physician
42670KYMDPediatric Dermatology Physician
01029925INMDPediatric Hematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Iu Health Medical Group, LLC CurrentSince Oct 1, 2024 Accepting new patients
Indiana University Health Care Associates, Inc CurrentSince Apr 17, 2015 Accepting new patients
University Pediatric Associates, Inc. Pediatrics CurrentSince Dec 1, 2013 Accepting new patients
University Dermatology, Inc. Dermatology CurrentSince Aug 1, 2014 Accepting new patients
Eskenazi Medical Group Inc Pediatrics CurrentSince May 8, 2010 Accepting new patients
The Health and Hospital Corporation of Marion County Current Accepting new patients
The Health and Hospital Corporation of Marion County CurrentSince Feb 18, 2016 Accepting new patients
Iu Health Medical Group Riley Specialists, LLC Pediatrics CurrentSince Jan 1, 2026 Accepting new patients
University Family Physicians, Inc. CurrentSince Sep 1, 2014 Accepting new patients
University Family Physicians, Inc. CurrentSince Sep 1, 2014 Accepting new patients
University Medical Diagnostic Associates, Inc. Past Accepting new patients
Major Hospital Past Accepting new patients

Locations (25 of 31)

7593 Solutions Ctr
Chicago, IL 60677

7216 Solutions Ctr
Chicago, IL 60677

5208 Reliable Pkwy
Chicago, IL 60686

1111 Ronald Reagan Pkwy
Avon, IN 46123
Phone (317) 217-3000

4935 W Arlington Rd
Bloomington, IN 47404
Phone (812) 353-3743

11725 Illinois St
Ste 450
Carmel, IN 46032
Phone (317) 688-5700

11590 N Meridian St
Ste 450
Carmel, IN 46032
Phone (317) 948-5926

14828 Greyhound Ct
Carmel, IN 46032
Phone (317) 688-5220

11700 N Meridian St
Carmel, IN 46032
Phone (317) 688-2000

11590 N Meridian St
Ste 300
Carmel, IN 46032
Phone (317) 944-8906

11725 Illinois St
Carmel, IN 46032
Phone (317) 617-4808

11725 Illinois St
Ste 520
Carmel, IN 46032
Phone (317) 688-5189

13100 E 136th St
Ste 1200
Fishers, IN 46037
Phone (317) 573-4370

705 Riley Hospital Dr
Ste 1300
Indianapolis, IN 46202
Phone (317) 944-2801

8111 S Emerson Ave
Indianapolis, IN 46237
Phone (317) 528-5261

720 Eskenazi Ave
Indianapolis, IN 46202
Phone (317) 880-0000

1701 Senate Blvd
Indianapolis, IN 46202
Phone (317) 612-2754

1001 W 10th St
Indianapolis, IN 46202
Phone (317) 630-6175

2732 W Michigan St
Indianapolis, IN 46222
Phone (317) 554-4600

720 Eskenazi Ave
Fl 2
Indianapolis, IN 46202
Phone (317) 278-5316

250 N Shadeland Ave
Ste 130
Indianapolis, IN 46219
Phone (317) 962-4836

705 Riley Hospital Dr
Indianapolis, IN 46202
Phone (317) 274-4779

5515 W 38th St
Indianapolis, IN 46254
Phone (317) 880-3838

550 University Blvd
Indianapolis, IN 46202
Phone (217) 274-5000

250 N Shadeland Ave
Indianapolis, IN 46219
Phone (317) 948-9174

Interoperability endpoints

  • Direct secure messaging: ptreadwe@direct.iuhealth.org
  • Direct secure messaging: ptreadwell15181@direct.eskenazihealth.edu

Organizations & group practices 12

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.

NPI Registry JSON

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

{
    "created_epoch": "1151020800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773187200000",
    "number": "1508892613",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 719094",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606779318",
            "telephone_number": "317-777-6921",
            "fax_number": "317-777-6911"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "705 RILEY HOSPITAL DR",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025109",
            "telephone_number": "317-944-2801"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TREADWELL",
        "first_name": "PATRICIA",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-23",
        "last_updated": "2026-03-11",
        "certification_date": "2026-03-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "IN",
            "license": "01029925",
            "primary": false
        },
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "IN",
            "license": "01029925A",
            "primary": false
        },
        {
            "code": "207NP0225X",
            "taxonomy_group": "",
            "desc": "Dermatology, Pediatric Dermatology",
            "state": "KY",
            "license": "42670",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IN",
            "license": "01029925A",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100131630",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ptreadwell15181@direct.eskenaziihealth.edu",
            "affiliation": "Y",
            "affiliationName": "Eskenazi Health",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1001 W 10th St",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462022859",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ptreadwe@direct.iuhealth.org",
            "affiliation": "N",
            "address_1": "705 Riley Hospital Dr",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025109",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.