MARILYN E OLSEN (PA) – Physician Assistant, NPI 1407856917
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,244 PHYSICIAN ASSISTANT in CT
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Provider Addresses for MARILYN E OLSEN (PA)
850, Straits Turnpike, Oronoke, Middlebury, New Haven County, Connecticut, 06762, United States
MIDDLEBURY, CT 067622843
Phone: (203) 758-1800
Fax: (203) 758-1804
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)
CMS reports 8 Open Payments records for all available years, with a total value of $171.
Total Amount is formed as General ($171) + Research ($0) + Ownership ($0) = $171.
Last reported payment date: 2024-09-06 • Largest payer in this snapshot: Aurinia Pharma U.S., Inc. ($54).
Total Amount
$171
General + Research + Ownership
Payments
8
Total payment records
General Amount
$171
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Aurinia Pharma U.S., Inc. | $54 |
| Travere Therapeutics, Inc. | $29 |
| Amgen Inc. | $26 |
| Novartis Pharmaceuticals Corporation | $24 |
| Ardelyx, Inc. | $23 |
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: 2010-02-10
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 |
|---|---|---|---|---|
| I20100210000636 | I | Physician Assistant | 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 |
|---|---|---|---|---|
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | 31 | 23 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 27 | 11 | $0 |
Insurance plans in this area (ZIP 06762)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICIAN ASSISTANT | CT | 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | 35 | 26 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | CT | |
| N E P H R O L O G Y | CT | |
| Nephrology, Internal Medicine | CT | |
| Nephrology, Internal Medicine | CT |
Reviews
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