NPIMap

Individual provider Active NPI

Michael E Ainsworth, MD

  • Family Medicine Physician
  • Decatur, IN
National Provider Identifier
1629058698
Registry record updated Oct 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
01045263 Issued in IN
Practice address
1100 Mercer Ave
Decatur, IN 46733-2303
Phone
(260) 724-2145
Fax
(260) 728-3821
NPI assigned
Jan 18, 2006
Last updated
Oct 15, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 15, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 01045263 IN Primary

Addresses

Primary practice location

1100 Mercer Ave
Decatur, IN 46733-2303

Mailing address

1100 Mercer Ave
Decatur, IN 46733-2303
Phone (260) 724-2145

Other practice location 1

955 High St
Ste 2
Decatur, IN 46733-2326
Phone (260) 724-8700

Other identifiers 3

IdentifierTypeStateIssuer
080154119OtherRAILROAD MEDICARE
200040480AMedicaidIN
000000093861OtherANTHEM

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100114000152 IN Practitioner - Family Practice 2668513516 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Indiana University School of Medicine, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Adams County Memorial HospitalGroup PAC ID 0941198253, 85 clinicians

Practice addresses (Care Compare)

955 High St
Suite 2
Decatur, IN 46733-2361
Phone (260) 724-8700

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.61 of 100Reported as group
Quality
76.47
Promoting interoperability
100
Improvement activities
40
Cost
68.89

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions16
Removal or shaving of skin growth1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
01045372INMDFamily Medicine Physician
01045263INMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Adams County Memorial Hospital CurrentSince Dec 1, 2018 Accepting new patients
Adams County Memorial Hospital CurrentSince Dec 1, 2018 Accepting new patients
Major Hospital Past Accepting new patients
Lima Memorial Joint Operating Company Past Accepting new patients

Locations

1100 Mercer Ave
Decatur, IN 46733

805 High St
Decatur, IN 46733
Phone (219) 563-3672

955 High St
Ste 2
Decatur, IN 46733
Phone (219) 724-8700

Interoperability endpoints

  • Direct secure messaging: mainsworth4162@direct.parkviewexchange.com

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 6

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": "1137542400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760486400000",
    "number": "1629058698",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1100 MERCER AVE",
            "city": "DECATUR",
            "state": "IN",
            "postal_code": "467332303",
            "telephone_number": "260-724-2145",
            "fax_number": "260-728-3821"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 MERCER AVE",
            "city": "DECATUR",
            "state": "IN",
            "postal_code": "467332303",
            "telephone_number": "260-724-2145",
            "fax_number": "260-728-3821"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "955 High St",
            "address_2": "Ste 2",
            "address_purpose": "LOCATION",
            "city": "Decatur",
            "state": "IN",
            "postal_code": "467332326",
            "country_code": "US",
            "telephone_number": "260-724-8700",
            "fax_number": "260-728-3821",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AINSWORTH",
        "first_name": "MICHAEL",
        "middle_name": "E",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-01-18",
        "last_updated": "2025-10-15",
        "certification_date": "2025-10-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IN",
            "license": "01045263",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "080154119",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200040480A",
            "state": "IN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "000000093861",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Decatur, IN

Sources for this page

Verify at the official NPI Registry.