NPIMap

Organization Active NPI

Mary Greeley Medical Center

  • General Acute Care Hospital
  • Ames, IA
National Provider Identifier
1477539492
Registry record updated Nov 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Acute Care HospitalTaxonomy code 282N00000X
Legal business name
MARY GREELEY MEDICAL CENTER
Practice address
1111 Duff Ave
Ames, IA 50010-5745
Phone
(515) 239-2011
Fax
(515) 239-2060
NPI assigned
Dec 21, 2005
Last updated
Nov 21, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Nov 21, 2025

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

Authorized official

Name
Amber Deardorff
Title
President/Ceo
Phone
(515) 239-2105

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
General Acute Care Hospital 282N00000X NU Primary

Addresses

Primary practice location

1111 Duff Ave
Ames, IA 50010-5745

Mailing address

1111 Duff Ave
Ames, IA 50010-5745
Phone (515) 239-2011

Other identifiers 2

IdentifierTypeStateIssuer
0600304MedicaidIA
0159145MedicaidIA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA, CA, PA, TX, NC, AZ, WV, FL, MO, GA, IL, KY14 enrollments

Enrollment records 14

Enrollment IDStateProvider typePAC IDDetails
O20040322001956 IA Part B Supplier - Clinic/Group Practice 6507769247 Receives reassigned benefits from 35 practitioners
4 other NPIs on this enrollment
Practice locations: Ames, IA
O20070802000683 IA Part A Provider - Hospital 6507769247 Practice locations: Story City, IA; Ames, IA
O20180409002359 IA MDPP Supplier - in-Person MDPP Supplier 6507769247 Practice locations: Ames, IA
O20230525001736 CA Part B Supplier - Clinic/Group Practice 6507769247 Receives reassigned benefits from 5 practitioners
Practice locations: Porter Ranch, CA; Yountville, CA; Rocklin, CA; Monrovia, CA; Los Angeles, CA; Colton, CA
O20230601000161 PA Part B Supplier - Clinic/Group Practice 6507769247 Receives reassigned benefits from 1 practitioner
Practice locations: Easton, PA; Old Forge, PA
O20230614003899 TX Part B Supplier - Clinic/Group Practice 6507769247 Receives reassigned benefits from 2 practitioners
Practice locations: Irving, TX
O20230706004057 NC Part B Supplier - Clinic/Group Practice 6507769247 Receives reassigned benefits from 1 practitioner
Practice locations: Charlotte, NC; Harrisburg, NC; Mint Hill, NC; Winston Salem, NC
O20230710002223 AZ Part B Supplier - Clinic/Group Practice 6507769247 Receives reassigned benefits from 1 practitioner
Practice locations: Chandler, AZ
O20230712000195 WV Part B Supplier - Clinic/Group Practice 6507769247 Receives reassigned benefits from 1 practitioner
Practice locations: Charleston, WV; Lewisburg, WV
O20230922001640 FL Part B Supplier - Clinic/Group Practice 6507769247 Receives reassigned benefits from 1 practitioner
Practice locations: Dade City, FL; Doral, FL; Ocala, FL; Weston, FL
O20241119003200 MO Part B Supplier - Clinic/Group Practice 6507769247 Receives reassigned benefits from 1 practitioner
Practice locations: Saint Louis, MO
O20241230001554 GA Part B Supplier - Clinic/Group Practice 6507769247 Receives reassigned benefits from 1 practitioner
Practice locations: Alpharetta, GA
O20250211002365 IL Part B Supplier - Clinic/Group Practice 6507769247 Receives reassigned benefits from 1 practitioner
Practice locations: Chicago, IL
O20250416003121 KY Part B Supplier - Clinic/Group Practice 6507769247 Receives reassigned benefits from 1 practitioner
Practice locations: Lexington, KY

NPI to CCN mapping 1

The Medicare certification numbers (CCNs) connected to NPI 1477539492. Details of each certification follow.

Hospital certification: CCN 160030

Legal name
MARY GREELEY MEDICAL CENTER
Doing business as
MARY GREELEY MEDICAL CENTER
Certification status
Active
Provider type (POS)
Hospital – Short-term
Participating since
Jul 1, 1966
Last certification
Nov 21, 2019
Beds
220
Ownership / control type
Local
Organization structure
GovernmentNon-profit
Enrollment address
1111 Duff Ave
Ames, IA 50010-5745
Main/Primary Hospital Location
Hospital subgroups
Acute care

Facilities connected through Provider of Services related, parent or unit certification numbers.

Other NPIs with the same Medicare PAC ID 6

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

Other NPIs on the same Medicare enrollment 4

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

Care Compare: Hospital

Medicare Care Compare
Listed as
Mary Greeley Medical CenterCCN 160030 · All quality measures
Overall star rating
4 of 5
Type
Acute Care Hospitals
Ownership
Government - Local
Medicare certification status
ActiveFrom the Provider of Services file
Emergency services
Yes

National Provider Directory

National Provider Directory

Ownership & related parties

All disclosed owners & managing parties 9

As disclosed on the Medicare enrollment (CMS All Owners files). Individuals include officers, directors and managing employees, who may not hold ownership.

NameRoleSinceShare
Amber Deardorff Individual Corporate OfficerPresident/Ceo Aug 1, 2025
Corporate DirectorDirector of Clinical Application Apr 8, 2012
W-2 Managing Employee Mar 1, 2009
Paul B. Hudson Individual Corporate DirectorBoard of Directors May 8, 2026
City of Ames Iowa Organization, Ames, IA Non-profit 5% Or Greater Direct Ownership Interest Jul 19, 2007 100%
Gary Botine Individual Operational/Managerial ControlVice President/Cfo Mar 24, 2014
Mary Greeley Medical Center Organization, Ames, IA Non-profit Operational/Managerial Control Jul 19, 2007 100%
Natallia Gray Individual Corporate DirectorBoard of Directors Jan 1, 2025
Kenneth D McCuskey Individual Corporate Director Jul 19, 2007
Austin Don Woodin Individual Corporate Director Jan 1, 2021
Mary Beth Swanson Individual Corporate Director Jan 1, 2018

Owners & managing parties with NPI records 6

Owners and managing parties disclosed on this facility’s Medicare enrollment that are themselves Medicare-enrolled.

All facility ownership & control disclosures 2

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Mary Greeley Medical CenterAmes, IA, CCN 16T030 Hospital Operational/Managerial Control (100%) Jul 19, 2007
Mary Greeley Medical CenterAmes, IA, CCN 16S030 Hospital Operational/Managerial Control (100%) Jul 19, 2007

Owned or controlled facilities with NPI records 2

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Facilities with the same owner 4

Facilities that share an organizational owner with 5% or greater ownership or operational control.

Practitioners & affiliated clinicians

Practitioners 78

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 78

Affiliated clinicians 295

Clinicians who list this facility as an affiliation in Medicare Care Compare.

View all 295

NPI Registry JSON

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

{
    "created_epoch": "1135123200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1763683200000",
    "number": "1477539492",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1111 DUFF AVE",
            "city": "AMES",
            "state": "IA",
            "postal_code": "500105745",
            "telephone_number": "515-239-2011",
            "fax_number": "515-239-2060"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1111 DUFF AVE",
            "city": "AMES",
            "state": "IA",
            "postal_code": "500105745",
            "telephone_number": "515-239-2011",
            "fax_number": "515-239-2060"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARY GREELEY MEDICAL CENTER",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-12-21",
        "last_updated": "2025-11-21",
        "certification_date": "2025-11-21",
        "status": "A",
        "authorized_official_last_name": "DEARDORFF",
        "authorized_official_first_name": "AMBER",
        "authorized_official_title_or_position": "PRESIDENT/CEO",
        "authorized_official_telephone_number": "515-239-2105"
    },
    "taxonomies": [
        {
            "code": "282N00000X",
            "taxonomy_group": "",
            "desc": "General Acute Care Hospital",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0600304",
            "state": "IA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0159145",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Ames, IA

Sources for this page

Verify at the official NPI Registry.