MARY GREELEY MEDICAL CENTER – General Acute Care Hospital, NPI 1477539492
General Acute Care Hospital
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MARY GREELEY MEDICAL CENTER
Mary Greeley Medical Center, 1111, Duff Avenue, Ames, Story County, Iowa, 50019, United States
AMES, IA 500105745
Phone: (515) 239-2011
Fax: (515) 239-2060
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-04-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2025-07-31 (317 days ago).
Enrollment records
14
Earliest due date
2025-07-31
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| O20040322001956 | O | Clinic/Group Practice | IA | 2025-07-31 |
| O20070802000683 | O | Hospital | IA | TBD |
| O20180409002359 | O | In-Person Mdpp Supplier | IA | TBD |
| O20230525001736 | O | Clinic/Group Practice | CA | TBD |
| O20230601000161 | O | Clinic/Group Practice | PA | TBD |
| O20230614003899 | O | Clinic/Group Practice | TX | TBD |
| O20230706004057 | O | Clinic/Group Practice | NC | TBD |
| O20230710002223 | O | Clinic/Group Practice | AZ | TBD |
| O20230712000195 | O | Clinic/Group Practice | WV | TBD |
| O20230922001640 | O | Clinic/Group Practice | FL | TBD |
| O20241119003200 | O | Clinic/Group Practice | MO | TBD |
| O20241230001554 | O | Clinic/Group Practice | GA | TBD |
| O20250211002365 | O | Clinic/Group Practice | IL | TBD |
| O20250416003121 | O | Clinic/Group Practice | KY | TBD |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 50010)
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