SUSAN H TANNENBAUM (MD) – Hematology & Oncology Physician, NPI 1447257704
Hematology & Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
151 MEDICAL ONCOLOGY in CT
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Provider Addresses for SUSAN H TANNENBAUM (MD)
65, Kane Street, West Hartford, Hartford County, Connecticut, 06119, United States
WEST HARTFORD, CT 061192110
Phone: (860) 523-6421
Fax: (860) 523-3701
Type: Mailing
University of Connecticut Health Center, 263, Farmington Avenue, Farmington, Hartford County, Connecticut, 06030, United States
FARMINGTON, CT 060300001
Phone: (860) 679-2100
Fax: (860) 679-4815
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: 2010-02-03
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 |
|---|---|---|---|---|
| I20100203000423 | I | Hematology/Oncology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 240 | 97 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 42 | 21 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 39 | 24 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 31 | 31 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 24 | 12 | $0 |
Insurance plans in this area (ZIP 06119)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O S U R G E R Y | NY | |
| E N D O C R I N O L O G Y | VA | |
| Orthopedic Surgery | CT | |
| Orthopedic Surgery | CT | |
| Endocrinology, Internal Medicine | CT | |
| Critical Care (Intensivists) | CT | |
| Hospitalist, Internal Medicine | CT | |
| Gynecological Oncology | NY | |
| Physician Assistant | CT | |
| Hand Surgery, Orthopedic Surgery | CT |
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