MRS. GRETCHEN TOUMA MICHAELSON (APRN) – Adult Health Nurse Practitioner, NPI 1508898800
Adult Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,196 NURSE PRACTITIONER in CT
Provider Addresses for MRS. GRETCHEN TOUMA MICHAELSON (APRN)
185, Pierce Road, South Windsor, Hartford County, Connecticut, 06074, United States
SOUTH WINDSOR, CT 060742633
Phone: (860) 805-7085
Type: Mailing
1741 ELLINGTON RD STE 1
SOUTH WINDSOR, CT 06074
Phone: (860) 263-3603
Fax: (860) 254-6167
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 314 Open Payments records for all available years, with a total value of $43,155.
Total Amount is formed as General ($43,155) + Research ($0) + Ownership ($0) = $43,155.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: ABBVIE INC. ($38,240).
Total Amount
$43,155
General + Research + Ownership
Payments
314
Total payment records
General Amount
$43,155
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $38,240 |
| Lundbeck LLC | $1,353 |
| TONIX PHARMACEUTICALS, INC. | $1,139 |
| PFIZER INC. | $1,077 |
| Amgen Inc. | $249 |
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: 2005-01-18
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 |
|---|---|---|---|---|
| I20050118000669 | I | Nurse Practitioner | CT | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 41 | 23 | $0 |
Insurance plans in this area (ZIP 06074)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MA | |
| Nurse Practitioner | CT | |
| Nurse Practitioner | CT |
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