SEAN M SIEBERT – Diagnostic Radiology Physician, NPI 1215426366
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,897 DIAGNOSTIC RADIOLOGY in MA
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Provider Addresses for SEAN M SIEBERT
Mount Auburn Hospital, 330, Mount Auburn Street, Coolidge Hill, Cambridge, Middlesex County, Massachusetts, 02138, United States
CAMBRIDGE, MA 021385597
Phone: (617) 492-3500
Type: Mailing
10800 E GEDDES AVE STE 300
ENGLEWOOD, CO 801123895
Phone: (303) 761-9190
Fax: (720) 874-4462
Type: Mailing
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.
This can happen when there are no reportable CMS Open Payments records.
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: 2024-06-07
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 |
|---|---|---|---|---|
| I20240607000616 | I | Diagnostic Radiology | CO | 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 |
|---|---|---|---|---|
| 73030 | X-ray of shoulder, minimum of 2 views | 57 | 52 | $0 |
| 73630 | X-ray of foot, minimum of 3 views | 50 | 41 | $0 |
| 73564 | X-ray of knee, 4 or more views | 34 | 24 | $0 |
| 73610 | X-ray of ankle, minimum of 3 views | 34 | 30 | $0 |
| 73502 | X-ray of hip, 2-3 views | 31 | 31 | $0 |
Insurance plans in this area (ZIP 02138)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | CO | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology | GA | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology, Interventional Radiology | CO | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology, Interventional Radiology, Diagnostic Radiology | CO |
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