Mark Siegel, M.D.
NPI 1285614016 · Ophthalmology Physician · Beaufort, SC
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Siegel, M.D. is a Ophthalmology Physician provider in Beaufort, SC (NPI 1285614016).
Provider details
- NPI number
- 1285614016
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 23932 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
4,022 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) |
|---|---|---|
| Imaging of Retina92134 | 1,286 | $39 |
| Established Patient Complete Exam of Visual System92014 | 1,121 | $123 |
| Imaging of Optic Nerve92133 | 364 | $33 |
| Exam of Visual Field With Extended Testing92083 | 299 | $61 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 258 | $25 |
| Established Patient Problem Focused Exam of Visual System92012 | 254 | $87 |
| Removal of Cataract With Insertion of Prosthetic Lens |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 779 | 216 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 290 | 81 |
| Timolol Maleate | 231 | 67 |
| Moxifloxacin Hclbrand: Moxifloxacin | 196 | 117 |
| Bimatoprostbrand: Lumigan | 136 | 37 |
| Brimonidine Tartrate | 130 | 32 |
| Dorzolamide Hcl | 91 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$111 across 2 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
- 2006-01-18
- Last updated
- 2022-10-14
- Certified
- 2022-10-14
Frequently asked questions
- What is Mark Siegel's NPI number?
- Mark Siegel's National Provider Identifier (NPI) is 1285614016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Siegel's specialty?
- Mark Siegel is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Siegel located?
- Mark Siegel's practice location on file with NPPES is 111 High Tide Dr, Beaufort, SC 29906-5221.
- What is Mark Siegel's phone number?
- The practice phone number listed in the NPPES registry for Mark Siegel is (843) 525-1500.
- Does Mark Siegel accept Medicare?
- Mark Siegel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Siegel's NPI active?
- Yes — Mark Siegel's NPI (1285614016) is active in the NPPES registry as of the last update on 2022-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.