DR. DUANE M WHITLOCK (M.D.) – Specialist, NPI 1821098229
Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,144 OPHTHALMOLOGY in PA
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Provider Addresses for DR. DUANE M WHITLOCK (M.D.)
455, South Washington Street, Gettysburg, Adams County, Pennsylvania, 17325, United States
SUITE 24
GETTYSBURG, PA 173252516
Phone: (717) 334-9159
Fax: (334) 359-7225
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 83 Open Payments records for all available years, with a total value of $21,768.
Total Amount is formed as General ($21,768) + Research ($0) + Ownership ($0) = $21,768.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: RxSight Inc ($20,000).
Total Amount
$21,768
General + Research + Ownership
Payments
83
Total payment records
General Amount
$21,768
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| RxSight Inc | $20,000 |
| Mallinckrodt Hospital Products Inc. | $382 |
| ABBVIE INC. | $260 |
| Alcon Vision LLC | $214 |
| Sun Pharmaceutical Industries Inc. | $170 |
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: 2011-06-10
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 |
|---|---|---|---|---|
| I20110610000204 | I | Ophthalmology | PA | 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 |
|---|---|---|---|---|
| 92136 | Measurement of corneal curvature and depth of eye | 536 | 331 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 492 | 286 | $0 |
| 92014 | Established patient complete exam of visual system | 330 | 325 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 323 | 317 | $0 |
| 92012 | Established patient problem focused exam of visual system | 319 | 237 | $0 |
Insurance plans in this area (ZIP 17325)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | PA | |
| O P T O M E T R Y | PA |
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