CHRISTOPHER D. ROSENBAUM (MD) – Emergency Medicine Physician, NPI 1093860983
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for CHRISTOPHER D. ROSENBAUM (MD)
PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States
BOSTON, MA 022415348
Phone:
Type: Mailing
UMASS Memorial Medical Center University Campus Hospital, 55, Lake Avenue North, Worcester, Worcester County, Massachusetts, 01653, United States
DEPARTMENT OF EMERGENCY MEDICINE
WORCESTER, MA 016550002
Phone: (508) 421-1400
Fax: (508) 421-1490
Type: Location
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: 2008-04-10
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 |
|---|---|---|---|---|
| I20080410000165 | I | Emergency Medicine | MA | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 691 | 665 | $0 |
| 93042 | Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 182 | 166 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 70 | 69 | $0 |
| 99291 | Critical care, first 30-74 minutes | 46 | 46 | $0 |
| 93308 | Ultrasound of heart, follow-up | 32 | 31 | $0 |
Insurance plans in this area (ZIP 02241)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | FL | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA |
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