Stephen Buck, O.D.
NPI 1649289539 · Optometrist · Sumter, SC
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Buck, O.D. is a Optometrist provider in Sumter, SC (NPI 1649289539).
Provider details
- NPI number
- 1649289539
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 591 (SC)
Specialties & taxonomies
Eye and Vision Services Providers
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
433 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) |
|---|---|---|
| Photography of the Retina92250 | 114 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $85 |
| Established Patient Complete Exam of Visual System92014 | 48 | $116 |
| New Patient Complete Exam of Visual System92004 | 36 | $139 |
| Exam of Visual Field With Extended Testing92083 | 34 | $58 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $120 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 221 | 84 |
| Azelastine Hcl | 22 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 21 | — |
| Timolol Maleate | 20 | — |
| Bimatoprostbrand: Lumigan | 13 | — |
| Erythromycin Basebrand: Erythromycin | 12 | — |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 11 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-07
- Last updated
- 2012-08-28
Frequently asked questions
- What is Stephen Buck's NPI number?
- Stephen Buck's National Provider Identifier (NPI) is 1649289539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Buck's specialty?
- Stephen Buck is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Stephen Buck located?
- Stephen Buck's practice location on file with NPPES is 1283 Broad St, Sumter, SC 29150-1973.
- What is Stephen Buck's phone number?
- The practice phone number listed in the NPPES registry for Stephen Buck is (803) 920-2763.
- Does Stephen Buck accept Medicare?
- Stephen Buck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Buck's NPI active?
- Yes — Stephen Buck's NPI (1649289539) is active in the NPPES registry as of the last update on 2012-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.