Harvard Riddle, M.D.
NPI 1134155955 · Ophthalmology Physician · Clinton, SC
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harvard Riddle, M.D. is a Ophthalmology Physician provider in Clinton, SC (NPI 1134155955).
Provider details
- NPI number
- 1134155955
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 17588 (SC)
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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
8 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,233 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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 732 | $116 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 613 | $454 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 581 | $37 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 320 | $120 |
| Imaging of Retina92134 | 296 | $36 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 286 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 694 | 420 |
| Latanoprost | 624 | 193 |
| Brimonidine Tartrate | 226 | 76 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 171 | 52 |
| Moxifloxacin Hclbrand: Moxifloxacin | 146 | 102 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 127 | 93 |
| Fluorometholone | 69 | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$956 across 31 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
Additional practice locations (7)
- 2011 E Greenville StAnderson, SC 29621-1529Phone: (864) 654-6706
- 931 Tiger BlvdClemson, SC 29631-1419Phone: (864) 654-6706
- 15 Southern Center CtEasley, SC 29642-1533Phone: (864) 654-6706
- 360 Pelham RdGreenville, SC 29615Phone: (864) 654-6706
- 1 Halton Green WayGreenville, SC 29607-6606Phone: (864) 657-6706
- 2735 Winnsboro RdNewberry, SC 29108-4011Phone: (864) 654-6706
- 273 Harrison Bridge RdSimpsonville, SC 29680-7132Phone: (864) 654-6706
Registry dates
- Enumerated
- 2006-06-23
- Last updated
- 2026-04-24
- Certified
- 2026-04-24
Frequently asked questions
- What is Harvard Riddle's NPI number?
- Harvard Riddle's National Provider Identifier (NPI) is 1134155955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harvard Riddle's specialty?
- Harvard Riddle is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Harvard Riddle located?
- Harvard Riddle's practice location on file with NPPES is 22995 Highway 76 E, Clinton, SC 29325-7529.
- What is Harvard Riddle's phone number?
- The practice phone number listed in the NPPES registry for Harvard Riddle is (864) 833-0038.
- Does Harvard Riddle accept Medicare?
- Harvard Riddle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harvard Riddle's NPI active?
- Yes — Harvard Riddle's NPI (1134155955) is active in the NPPES registry as of the last update on 2026-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.