ROBERT A LINDEN (MD) – Internal Medicine Physician, NPI 1841283736
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,447 INTERNAL MEDICINE in CT
Provider Addresses for ROBERT A LINDEN (MD)
82 QUARRY DOCK RD
NIANTIC, CT 063571907
Phone: (860) 739-4276
Fax: (860) 739-3808
Type: Mailing
400 COLUMBUS AVENUE
CREDENTIALING SPECIALIST
NEW HAVEN, CT 065191233
Phone: (203) 503-3174
Fax: (203) 503-3183
Type: Mailing
150 SARGENT DRIVE
CORNELL SCOTT-HILL HEALTH CENTER AT SARGENT DRIVE
NEW HAVEN, CT 065116100
Phone: (203) 503-3000
Fax: (203) 503-3224
Type: Location
Lawrence+Memorial Hospital, 365, Montauk Avenue, New London, New London County, Connecticut, 06320, United States
LAWRENCE AND MEMORIAL HOSPITAL
NEW LONDON, CT 063204700
Phone: (860) 442-0711
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: 2020-12-18
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 |
|---|---|---|---|---|
| I20201218001307 | I | Internal Medicine | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 06357)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CT | |
| U R O L O G Y | CT | |
| - | CT | |
| Clinical Social Worker | CT | |
| - | CT | |
| - | CT | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CT | |
| Nurse Practitioner | CT | |
| Vascular Surgery | CT | |
| Nurse Practitioner | CT |
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