Mark Slabaugh, M.D.
NPI 1669583597 · Glaucoma Specialist (Ophthalmology) Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1669583597
- Entity type
- Individual
- Primary specialty
- Glaucoma Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35123143 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,269 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 769 | $96 |
| Imaging of Optic Nerve92133 | 317 | $21 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 206 | $132 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 198 | $30 |
| Exam of Visual Field With Extended Testing92083 | 197 | $26 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 195 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 871 | 272 |
| Prednisolone Acetate | 522 | 303 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 358 | 126 |
| Timolol Maleate | 302 | 108 |
| Ketorolac Tromethamine | 196 | 120 |
| Brimonidine Tartrate | 149 | 53 |
| Fluorometholone | 68 | 34 |
| Bimatoprostbrand: Lumigan |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2024-11-14
- Certified
- 2024-11-14
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.