Gregory King, M.D.
NPI 1780687269 · Ophthalmology Physician · Sumter, SC
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory King, M.D. is a Ophthalmology Physician provider in Sumter, SC (NPI 1780687269).
Provider details
- NPI number
- 1780687269
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 22324 (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
21 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
3,472 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 Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,120 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 778 | $89 |
| Imaging of Optic Nerve92133 | 285 | $35 |
| Exam of Visual Field With Extended Testing92083 | 277 | $61 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 248 | $24 |
| Exam of the Internal Drainage System of Eye92020 | 164 | $27 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 695 | 201 |
| Timolol Maleate | 326 | 93 |
| Bimatoprostbrand: Lumigan | 249 | 68 |
| Brimonidine Tartrate | 238 | 70 |
| Prednisolone Acetate | 237 | 187 |
| Ketorolac Tromethamine | 237 | 181 |
| Ofloxacin | 232 | 181 |
| Erythromycin Basebrand: Erythromycin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$342 across 17 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
- 2005-05-27
- Last updated
- 2024-02-14
- Certified
- 2024-02-14
Frequently asked questions
- What is Gregory King's NPI number?
- Gregory King's National Provider Identifier (NPI) is 1780687269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory King's specialty?
- Gregory King is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory King located?
- Gregory King's practice location on file with NPPES is 365 W Wesmark Blvd, Sumter, SC 29150-1987.
- What is Gregory King's phone number?
- The practice phone number listed in the NPPES registry for Gregory King is (803) 905-8020.
- Does Gregory King accept Medicare?
- Gregory King is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory King's NPI active?
- Yes — Gregory King's NPI (1780687269) is active in the NPPES registry as of the last update on 2024-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.