MRS. MARY ANN SHANNON (RD. LD.) – Registered Dietitian, NPI 1245619493
Registered Dietitian
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MRS. MARY ANN SHANNON (RD. LD.)
1801 HOLLY AVE
DARIEN, IL 605613516
Phone: (630) 347-0526
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.
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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: 2015-06-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
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 |
|---|---|---|---|---|
| I20150617001532 | I | Registered Dietitian Or Nutrition Professional | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 97803 | Therapy procedure reassessment for nutrition management, each 15 minutes | 1,186 | 183 | $0 |
| 97802 | Therapy procedure for nutrition management, each 15 minutes | 321 | 56 | $0 |
Insurance plans in this area (ZIP 60561)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MI | |
| - | IL | |
| Registered Dietitian Or Nutrition Professional | AZ | |
| Registered Dietitian Or Nutrition Professional | IL | |
| - | IL | |
| - | IL | |
| - | IN | |
| - | IL | |
| Registered Dietitian Or Nutrition Professional | IL | |
| - | CA |
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