Katherine Johnson, MD
NPI 1851739676 · Family Medicine Physician · Greenwood, SC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Johnson, MD is a Family Medicine Physician provider in Greenwood, SC (NPI 1851739676).
Provider details
- NPI number
- 1851739676
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 35716 (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
13 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
1,247 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 217 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 215 | $124 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 129 | $93 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 114 | $34 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 103 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 95 | 28 |
| Semaglutidebrand: Ozempic | 79 | 24 |
| Atorvastatin Calcium | 57 | 22 |
| Tirzepatidebrand: Mounjaro | 51 | 16 |
| Empagliflozinbrand: Jardiance | 48 | 13 |
| Ezetimibe | 45 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,871 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
Registry dates
- Enumerated
- 2013-06-14
- Last updated
- 2024-09-04
- Certified
- 2024-09-04
Frequently asked questions
- What is Katherine Johnson's NPI number?
- Katherine Johnson's National Provider Identifier (NPI) is 1851739676, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Johnson's specialty?
- Katherine Johnson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Johnson located?
- Katherine Johnson's practice location on file with NPPES is 155 Academy Ave, Greenwood, SC 29646-3869.
- What is Katherine Johnson's phone number?
- The practice phone number listed in the NPPES registry for Katherine Johnson is (864) 725-4865.
- Does Katherine Johnson accept Medicare?
- Katherine Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Johnson's NPI active?
- Yes — Katherine Johnson's NPI (1851739676) is active in the NPPES registry as of the last update on 2024-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.