RHIANNON MAZENIS (PA-C) – Physician Assistant, NPI 1669563805
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,035 PHYSICIAN ASSISTANT in IL
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Provider Addresses for RHIANNON MAZENIS (PA-C)
Wiley Road, Schaumburg, Schaumburg Township, Cook County, Illinois, 60173, United States
STE 153
SCHAUMBURG, IL 601734357
Phone: (847) 519-4701
Fax: (847) 519-4707
Type: Mailing
159th Street, Queens, New York, 11365, United States
SUITE 400
OAK FOREST, IL 604524705
Phone: (708) 798-8112
Fax: (708) 535-6396
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 120 Open Payments records for all available years, with a total value of $2,424.
Total Amount is formed as General ($2,424) + Research ($0) + Ownership ($0) = $2,424.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: ABBVIE INC. ($445).
Total Amount
$2,424
General + Research + Ownership
Payments
120
Total payment records
General Amount
$2,424
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $445 |
| Collegium Pharmaceutical, Inc. | $387 |
| Medtronic, Inc. | $265 |
| Boston Scientific Corporation | $146 |
| SPR Therapeutics, Inc | $114 |
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: 2006-10-26
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 |
|---|---|---|---|---|
| I20061026000375 | I | Physician Assistant | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 137 | 92 | $0 |
| 80307 | Testing for presence of drug, by chemistry analyzers | 100 | 78 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 51 | 43 | $0 |
| G0480 | Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms | 36 | 35 | $0 |
| 80305 | Testing for presence of drug, read by direct observation | 29 | 28 | $0 |
Insurance plans in this area (ZIP 60173)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IL | |
| Nurse Practitioner | IL | |
| Anesthesiology, Interventional Pain Management, Pain Management | IL |
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