Katherine Johnson, MD
Diabetology (Family Medicine) Physician · Greenwood, SC
Katherine Johnson, MD is a diabetology (family medicine) physician with a practice address in Greenwood, South Carolina, and NPI 1851739676, issued on Jun 14, 2013. Check the license (South Carolina 35716, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Katherine Johnson
- Credential
- MD
- Primary taxonomy
- Diabetology (Family Medicine) Physician 207QD0401X
- License number
- 35716 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1132 Spring St, Greenwood, SC 29646
- Phone
- (864) 725-1680
- Enumerated
- Jun 14, 2013
- Record last updated
- Jul 10, 2026
- Medicare enrollment
- Enrolled (PECOS I20140722000206); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1132 Spring St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy JacksonFamily Medicine Physician1467019943
- Carlie Mapp, LRDRegistered Dietitian1376160101
Verify Katherine Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 35716Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average diabetology (family medicine) physician in 2024
1,357 Medicare Part D claims for 151 beneficiaries, against an average of 2,485 among the 6 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Rosuvastatin Calcium95 claims
- Ozempic79 claims
- Atorvastatin Calcium57 claims
- Mounjaro51 claims
- Jardiance48 claims
- Ezetimibe45 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 96.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,871.32
31 payments; by number, the most common kind was food and beverage; the largest payer was Corcept Therapeutics. The 6 providers of this specialty with any payment received $42,381.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 hospitals and group practices
- Self Regional HealthcareGreenwood, SC · Acute Care Hospitals4 of 5 stars
- Abbeville County Memorial HospitalDue West, SC
- Self Medical GroupGreenwood, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Diabetology (Family Medicine) Physician providers in South Carolina
There are 1 diabetology (family medicine) physician records in South Carolina.
Common questions
What is Katherine Johnson, MD's NPI number?
Katherine Johnson, MD's National Provider Identifier (NPI) is 1851739676, issued on Jun 14, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Johnson, MD located?
The NPPES record lists a practice address at 1132 Spring St, Greenwood, SC, 29646. Phone: (864) 725-1680. Providers update this record themselves, so call before visiting.
How can I verify Katherine Johnson, MD's license?
NPPES lists South Carolina license number 35716, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Johnson, MD prescribe under Medicare Part D?
In 2024, Katherine Johnson, MD had 1,357 Medicare Part D claims for 151 beneficiaries; the average among diabetology (family medicine) physician prescribers was 2,485. Part D covers Medicare prescriptions only.
What is Katherine Johnson, MD's MIPS final score?
The 2023 MIPS final score is 96.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.