CHRISTOPHER D GAMMARANO (MD) – Diagnostic Radiology Physician, NPI 1992294938
Diagnostic Radiology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
90 DIAGNOSTIC RADIOLOGY in AK
Provider Addresses for CHRISTOPHER D GAMMARANO (MD)
3650 Piper St
Anchorage, AK 995084651
Phone: (907) 339-9455
Type: Location
13813 Metro Pkwy
Fort Myers, FL 339124343
Phone: (855) 674-4624
Type: Location
San Pablo Road South, San Pablo, Jacksonville, Duval County, Florida, 32224, United States
JACKSONVILLE, FL 322241865
Phone: (904) 953-2000
Type: Mailing
4500 San Pablo Rd S
Jacksonville, FL 32224
Phone: (904) 953-2000
Type: Location
8825 PERIMETER PARK BLVD STE 402
JACKSONVILLE, FL 322161124
Phone: (904) 647-6238
Fax: (904) 647-0898
Type: Location
PO BOX 17726
JACKSONVILLE, FL 322457726
Phone: (904) 647-6238
Fax: (904) 647-0898
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $16.
Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.
Last reported payment date: 2024-06-03 • Largest payer in this snapshot: ABBVIE INC. ($16).
Total Amount
$16
General + Research + Ownership
Payments
1
Total payment records
General Amount
$16
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $16 |
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: 2024-06-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20221109001963 | I | Diagnostic Radiology | FL | TBD |
| I20240617000344 | I | Interventional Radiology | AK | 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 99508)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | NV | |
| Physician Assistant | AK | |
| Diagnostic Radiology | AK | |
| Diagnostic Radiology | AK | |
| Diagnostic Radiology | AK | |
| Interventional Radiology, Diagnostic Radiology, Interventional Radiology | AK | |
| Diagnostic Radiology | AK | |
| Diagnostic Radiology | MD | |
| Diagnostic Radiology | AK | |
| Diagnostic Radiology | SC |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.