Individual provider Active NPI

Siming Chen Hummer, M.D.

  • Psychiatry Physician
  • Avon, IN
National Provider Identifier
1376591255
Registry record updated Apr 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
01049003A Issued in IN
Practice address
1111 Ronald Reagan Pkwy Ste 1540
Avon, IN 46123-7085
Phone
(317) 217-2211
Fax
(317) 217-2559
NPI assigned
May 4, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 01049003A IN Primary

Addresses

Primary practice location

1111 Ronald Reagan Pkwy Ste 1540
Avon, IN 46123-7085

Mailing address

1111 Ronald Reagan Pkwy Ste 1540
Avon, IN 46123-7085
Phone (317) 217-2211

Other identifiers 1

IdentifierTypeStateIssuer
200278100MedicaidIN

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
I20040726001471 IN Practitioner - Psychiatry 9537139886 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Other, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Midwest Behavioral Health LLCGroup PAC ID 4587834874, 132 clinicians

Practice addresses (Care Compare)

7950 Ortho LN
Suite 20
Brownsburg, IN 46112-9354
Phone (216) 468-5000

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
01049003AINMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Midwest Behavioral Health LLC Psychiatry CurrentSince Dec 1, 2024 Accepting new patients
Indiana University Health West Hospital, Inc Psychiatry CurrentSince Mar 1, 2012 Accepting new patients
Indiana University Health Inc CurrentSince Mar 1, 2012 Accepting new patients
Meridian Medical Services, Inc Past Accepting new patients
St. Vincent Hospital & Health Care Center, Inc. Psychiatry Past Accepting new patients

Locations

3276 Reliable Pkwy
Chicago, IL 60686

2232 Reliable Pkwy
Chicago, IL 60686

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

1111 Ronald Reagan Pkwy
Ste 1540
Avon, IN 46123
Phone (317) 217-2211

6845 E US Highway 36
Ste 500
Avon, IN 46123
Phone (317) 742-1340

7950 Ortho Ln
Ste 20
Brownsburg, IN 46112

7300 E Indiana St
Ste 103
Evansville, IN 47715
Phone (812) 401-8008

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

Interoperability endpoints

  • Direct secure messaging: shummer429900@direct.franciscanalliance.org
  • Direct secure messaging: lifestancehealth.siminghummer@140099.advancedmd-direct.com

Organizations & group practices 5

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": "1146700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776297600000",
    "number": "1376591255",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1111 RONALD REAGAN PKWY STE 1540",
            "city": "AVON",
            "state": "IN",
            "postal_code": "461237085",
            "telephone_number": "317-217-2211",
            "fax_number": "317-217-2559"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1111 RONALD REAGAN PKWY STE 1540",
            "city": "AVON",
            "state": "IN",
            "postal_code": "461237085",
            "telephone_number": "317-217-2211",
            "fax_number": "317-217-2559"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HUMMER",
        "first_name": "SIMING",
        "middle_name": "CHEN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-04",
        "last_updated": "2026-04-16",
        "certification_date": "2026-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "IN",
            "license": "01049003A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200278100",
            "state": "IN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Avon, IN

Sources for this page

Verify at the official NPI Registry.