Individual provider Active NPI

Melissa Ann Chiston, MD

  • Rheumatology Physician
  • Ames, IA
National Provider Identifier
1134440886
Registry record updated Dec 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
48288 Issued in IA
Practice address
3500 University Blvd
Ames, IA 50010-8676
Phone
(515) 239-4775
Fax
(515) 239-3045
NPI assigned
Jun 17, 2010
Last updated
Dec 23, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 23, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 54317 MN
Rheumatology Physician 207RR0500X DR.0056562 CO
Rheumatology Physician 207RR0500X 2013-00259 NC
Rheumatology Physician 207RR0500X 48288 IA Primary

Addresses

Primary practice location

3500 University Blvd
Ames, IA 50010-8676

Mailing address

1215 Duff Ave
Ames, IA 50010-5469
Phone (515) 239-4400

Other identifiers 1

IdentifierTypeStateIssuer
35135107MedicaidCO

Other names 1

  • Melissa Wells Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mwells105533@directmcfarlandclinic.com Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA
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
I20210406001350 IA Practitioner - Rheumatology 6507039815 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Rheumatology
Education
University of Kansas School of Med (KC/Wich/Sal), 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
McFarland Clinic PCGroup PAC ID 1254244239, 353 clinicians

Practice addresses (Care Compare)

3500 University Blvd
Suite 1001
Ames, IA 50010-3014
Phone (515) 239-3040

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
54317MNMDInternal Medicine Physician
DR.0056562COMDRheumatology Physician
48288IAMDRheumatology Physician
2013-00259NCMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
McFarland Clinic PC CurrentSince Jun 1, 2021 Accepting new patients
Floyd County Memorial Hospital Commission Past Accepting new patients
McFarland Clinic, PC Past Accepting new patients

Locations

1215 Duff Ave
Ames, IA 50010
Phone (515) 239-4400

3500 University Blvd
Ames, IA 50010
Phone (515) 239-3040

3500 University Blvd
Ste 1001
Ames, IA 50010
Phone (515) 239-3020

Interoperability endpoints

  • Direct secure messaging: mwells105533@directmcfarlandclinic.com

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.

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": "1276732800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766448000000",
    "number": "1134440886",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1215 DUFF AVE",
            "city": "AMES",
            "state": "IA",
            "postal_code": "500105469",
            "telephone_number": "515-239-4400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3500 UNIVERSITY BLVD",
            "city": "AMES",
            "state": "IA",
            "postal_code": "500108676",
            "telephone_number": "515-239-4775",
            "fax_number": "515-239-3045"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHISTON",
        "first_name": "MELISSA",
        "middle_name": "ANN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-06-17",
        "last_updated": "2025-12-23",
        "certification_date": "2025-12-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MN",
            "license": "54317",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CO",
            "license": "DR.0056562",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "NC",
            "license": "2013-00259",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "IA",
            "license": "48288",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "35135107",
            "state": "CO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwells105533@directmcfarlandclinic.com",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "3500 University Blvd",
            "city": "Ames",
            "state": "IA",
            "country_code": "US",
            "postal_code": "500108676",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MELISSA",
            "last_name": "WELLS",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Ames, IA

Sources for this page

Verify at the official NPI Registry.