BRIAN RIORDAN (M.D.) – Physical Medicine & Rehabilitation Physician, NPI 1326082751
Physical Medicine & Rehabilitation Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
150 PHYSICAL MEDICINE AND REHABILITATION in CT
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Provider Addresses for BRIAN RIORDAN (M.D.)
235, Main Street, Main Street Historic District, Danbury, Western Connecticut Planning Region, Connecticut, 06810, United States
DANBURY, CT 068106606
Phone: (203) 730-5929
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 1 Open Payments records for all available years, with a total value of $16.
Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: PFIZER INC. ($16).
Total Amount
$16
General + Research + Ownership
Payments
1
Total payment records
General Amount
$16
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $16 |
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: 2006-08-19
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 |
|---|---|---|---|---|
| I20060819000014 | I | Physical Medicine And Rehabilitation | 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 |
|---|---|---|---|---|
| J0585 | Injection, onabotulinumtoxina, 1 unit | 4,247 | 12 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 529 | 116 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 97 | 85 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 87 | 45 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 78 | 76 | $0 |
Insurance plans in this area (ZIP 06810)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CT | |
| - | CT | |
| - | WA | |
| A N E S T H E S I O L O G Y | GA | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| - | NY | |
| General Surgery | CT | |
| - | CT | |
| - | CT | |
| - | GA |
Reviews
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