DR. DENNIS D. DERCK (D.O.) – Ophthalmology Physician, NPI 1831165992
Preparing for Medicare enrollment?
Use our CMS-855 prep checklist: which form applies (855I, 855O, or 855A), readiness score, NPPES field map, and Section 12 documents. Reassignment uses CMS-855I Section 4F—not the discontinued CMS-855R form.
Open Medicare 855 Prep tool →Ophthalmology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Loading map...
Provider Addresses for DR. DENNIS D. DERCK (D.O.)
Geisinger Medical Center Danville, 100, North Academy Avenue, Danville, Montour County, Pennsylvania, 17822, United States
DANVILLE, PA 178223034
Phone: (570) 271-6144
Fax: (570) 271-6578
Type: Mailing
385, State Street, West Sunbury, Clay Township, Butler County, Pennsylvania, 16061, United States
SUNBURY, PA 178012531
Phone: (570) 286-6773
Fax: (570) 286-7967
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
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.
No Medicare enrollment or revalidation data available for this provider in our database.
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 17822)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NC | |
| - | PA | |
| P S Y C H I A T R Y | NY | |
| Internal Medicine, Hospice/Palliative Care | PA | |
| - | PA | |
| Nurse Practitioner | PA | |
| Physician Assistant | PA | |
| - | PA | |
| - | PA | |
| Physician Assistant | PA |
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.