SHAMSUDDIN AKHTAR (MD) – Anesthesiology Physician, NPI 1639151798
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
863 ANESTHESIOLOGY in CT
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Provider Addresses for SHAMSUDDIN AKHTAR (MD)
9805, Northwest Ash Street, West Haven, Portland, Metro, Washington County, Oregon, 97229, United States
300 GEORGE ST 6TH FLOOR
NEW HAVEN, CT 065360805
Phone: (203) 785-7998
Type: Mailing
Yale New Haven Hospital, 20, York Street, Downtown, New Haven, New Haven County, Connecticut, 06510, United States
TOMPKINS BLDG - 3RD FL
NEW HAVEN, CT 065103220
Phone: (203) 785-2802
Fax: (203) 785-6664
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: 2005-01-20
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 |
|---|---|---|---|---|
| I20050120000473 | I | Anesthesiology | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 89 | 28 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 40 | 21 | $0 |
Insurance plans in this area (ZIP 06536)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | CT | |
| H E M A T O L O G Y/ O N C O L O G Y | CT | |
| Internal Medicine, Nephrology | SC | |
| - | CT | |
| - | NC | |
| Internal Medicine | CT | |
| - | CT | |
| Cardiac Surgery | CT | |
| - | CT | |
| - | CT |
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