Duane Whitlock, M.D.
NPI 1821098229 · Specialist · Gettysburg, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Duane Whitlock, M.D. is a Specialist provider in Gettysburg, PA (NPI 1821098229).
Provider details
- NPI number
- 1821098229
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD418674 (PA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,897 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Measurement of Corneal Curvature and Depth of Eye92136 | 439 | $40 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 360 | $539 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 283 | $91 |
| Imaging of Retina92134 | 187 | $39 |
| Established Patient Complete Exam of Visual System92014 | 181 | $125 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 177 | $325 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 434 | 118 |
| Prednisolone Acetate | 294 | 260 |
| Timolol Maleate | 237 | 78 |
| Bimatoprostbrand: Lumigan | 139 | 55 |
| Doxycycline Hyclate | 100 | 44 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 70 | 19 |
| Travoprost | 67 | 21 |
| Brimonidine Tartrate/Timolol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,083 across 44 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-28
- Last updated
- 2010-07-06
Frequently asked questions
- What is Duane Whitlock's NPI number?
- Duane Whitlock's National Provider Identifier (NPI) is 1821098229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duane Whitlock's specialty?
- Duane Whitlock is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Duane Whitlock located?
- Duane Whitlock's practice location on file with NPPES is 455 S Washington St, Gettysburg, PA 17325-2516.
- What is Duane Whitlock's phone number?
- The practice phone number listed in the NPPES registry for Duane Whitlock is (717) 334-9159.
- Does Duane Whitlock accept Medicare?
- Duane Whitlock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Duane Whitlock's NPI active?
- Yes — Duane Whitlock's NPI (1821098229) is active in the NPPES registry as of the last update on 2010-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.