GEORGE D GIANNAKOPOULOS (MD) – Specialist, NPI 1932137650
Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
567 NEUROSURGERY in FL
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Provider Addresses for GEORGE D GIANNAKOPOULOS (MD)
US Highway 19, Port Richey, Pasco County, Florida, 34652, United States
PORT RICHEY, FL 346681439
Phone: (727) 861-2332
Fax: (727) 861-3217
Type: Location
Hudson Post Office, 410, North Jefferson Street, Hudson, Black Hawk County, Iowa, 50643, United States
HUDSON, FL 346745849
Phone: (727) 861-2332
Fax: (727) 861-3217
Type: Mailing
13910 FIVAY RD STE 2
HUDSON, FL 346677130
Phone: (727) 861-2332
Fax: (727) 378-4669
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: 2011-03-09
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 |
|---|---|---|---|---|
| I20110309000190 | I | Neurosurgery | FL | 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 |
|---|---|---|---|---|
| 62323 | Injection of substance into lower spine canal using imaging guidance | 326 | 139 | $0 |
| 64493 | Injection of lower or sacral spine facet joint using imaging guidance, single level | 320 | 140 | $0 |
| 64494 | Injection of lower or sacral spine facet joint using imaging guidance, second level | 317 | 138 | $0 |
| J1040 | Injection, methylprednisolone acetate, 80 mg | 309 | 104 | $0 |
| J1030 | Injection, methylprednisolone acetate, 40 mg | 205 | 117 | $0 |
Insurance plans in this area (ZIP 34668)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEUROSURGERY | FL | 22842 | Insertion of posterior spinal instrumentation for spinal stabilization, 3 to 6 vertebral segments | 16 | 15 |
| NEUROSURGERY | FL | 62311 | Injections of substances into lower or sacral spine | 627 | 274 |
| NEUROSURGERY | FL | 64493 | Injections of lower or sacral spine facet joint using imaging guidance | 616 | 271 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | FL | |
| Internal Medicine | FL | |
| Family Practice | FL | |
| Physician Assistant | VA | |
| Physician Assistant | FL | |
| Family Practice | FL | |
| Internal Medicine | FL | |
| Family Practice | FL | |
| Physician Assistant | FL | |
| N E U R O S U R G E R Y | FL |
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