SIDHARTA P GANGADHARAN (M.D.) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1184656605
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
172 THORACIC SURGERY in MA
Provider Addresses for SIDHARTA P GANGADHARAN (M.D.)
830 Harrison Ave
STE 3400, Moakley Building
Boston, MA 02118
Phone: (617) 414-8060
Fax: (617) 414-8012
Type: Location
Beth Israel Deaconess Medical Center East Campus, 330, Brookline Avenue, Audubon Square, Boston, Suffolk County, Massachusetts, 02215, United States
110 FRANCIS ST, STE 2A
BOSTON, MA 02215
Phone: (617) 632-8383
Type: Location
124, Davis Avenue, Brookline Village, North Brookline, Brookline, Norfolk County, Massachusetts, 02445, United States
#3
BROOKLINE, MA 024457634
Phone: (617) 632-8383
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: 2005-08-23
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 |
|---|---|---|---|---|
| I20050823000197 | I | Thoracic Surgery | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 215 | 183 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 57 | 50 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 55 | 51 | $0 |
| 99441 | Telephone medical discussion with physician, 5-10 minutes | 50 | 49 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 39 | 35 | $0 |
Insurance plans in this area (ZIP 02118)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| Emergency Medicine | NC |
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