DR. GARY ALAN ZIMMERMAN (M.D.) – Neurological Surgery Physician, NPI 1265458152
Neurological Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
101 NEUROSURGERY in CT
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Provider Addresses for DR. GARY ALAN ZIMMERMAN (M.D.)
CONNECTICUT NEUROSURGICAL SPECIALISTS, P.C.
267 GRANT STREET, SCHINE 8
BRIDGEPORT, CT 066102805
Phone: (203) 384-4500
Fax: (203) 384-3812
Type: Mailing
PO BOX 208082
NEW HAVEN, CT 065208082
Phone: (203) 257-3663
Type: Mailing
Bridgeport Hospital, 267, Grant Street, Historic East Side, Bridgeport, Fairfield County, Connecticut, 06610, United States
SCHINE 8
BRIDGEPORT, CT 066102805
Phone: (203) 384-4500
Fax: (203) 384-3812
Type: Location
333 CEDAR ST
NEW HAVEN, CT 065103206
Phone: (203) 257-3663
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $390.
Total Amount is formed as General ($390) + Research ($0) + Ownership ($0) = $390.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Medtronic, Inc. ($344).
Total Amount
$390
General + Research + Ownership
Payments
9
Total payment records
General Amount
$390
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $344 |
| Globus Medical, Inc. | $46 |
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: 2010-11-12
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 |
|---|---|---|---|---|
| I20101112000706 | I | Neurosurgery | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 390 | 257 | $0 |
| 72100 | X-ray of lower and sacral spine, 2-3 views | 45 | 37 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 45 | 44 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 40 | 40 | $0 |
| 72110 | X-ray of lower and sacral spine, minimum of 4 views | 39 | 39 | $0 |
Insurance plans in this area (ZIP 06610)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CT | |
| Internal Medicine | NY | |
| N E U R O L O G Y | CT | |
| Physician Assistant | CT | |
| Physician Assistant | CT | |
| Internal Medicine | CT | |
| P O D I A T R Y | CT | |
| P O D I A T R Y | CT | |
| Physical Medicine And Rehabilitation, Neurology | CT | |
| Internal Medicine | CT |
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