NPPES file of Aug 9, 2026

Karen Leigh Watson, M.D.

Internal Medicine Physician · Greenville, SC

Karen Leigh Watson, M.D. is an internal medicine physician with a practice address in Greenville, South Carolina, and NPI 1760423909, issued on Jun 9, 2006. Check the license (South Carolina 17085, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1760423909
Name
Karen Leigh Watson
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
17085 SC
Self-reported in NPPES; status is on the state search
Practice location
124 Verdae Blvd Ste 204, Greenville, SC 29607
Phone
(864) 315-1300
Enumerated
Jun 9, 2006
Record last updated
Jul 12, 2024
Medicaid ID
170852 SC
Medicare enrollment
Enrolled (PECOS I20041218000063); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1989
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →

Also registered at 124 Verdae Blvd Ste 204

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Danielle Andrews, NPWomen's Health Nurse Practitioner1245557768
  2. Daniel Brake, M.D.Family Medicine Physician1861432387
  3. William Messer, M.D.Family Medicine Physician1700814985
  4. Jana Morse, M.D.Internal Medicine Physician1689763757
  5. Celeste Sitton, FNP-CFamily Nurse Practitioner1558845321

Verify Karen Leigh Watson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 17085    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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70% fewer Medicare Part D claims than the average internal medicine physician in 2024

941 Medicare Part D claims for 162 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 61 claims were for opioids.

  1. Karen Watson941
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium33 claims
  2. Atorvastatin Calcium30 claims
  3. Hydrocodone-Acetaminophen26 claims
  4. Rosuvastatin Calcium26 claims
  5. Gabapentin21 claims
  6. Trazodone Hcl20 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.

Industry payments in 2024: $416.61

21 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Watson$416.61
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Karen Leigh Watson among 1,881 internal medicine physician records in South Carolina

Karen Leigh Watson, M.D. is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 58% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1989 · median 2006 among the 1,119 with a school on file
  • Record last updated2024 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

253 internal medicine physician records list a practice address in Greenville

They are 253 of the 10,264 NPPES records with a practice address in Greenville, and 1,881 internal medicine physician records in South Carolina.

All 1,881 in South Carolina → Every provider in Greenville → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Robert Bayliss, M.D.Greenville, SC 296071356326383
  2. James Bloodworth, MDGreenville, SC 296071730164781
  3. Caroline Brownlee, MDGreenville, SC 296071003898651
  4. Robert Dubose, MDGreenville, SC 296071659356988
  5. Steven Graddick, MDGreenville, SC 296071265417380
  6. Daniel Grover, MDGreenville, SC 296071467437921
  7. Jai Hwang, MDGreenville, SC 296071366427775
  8. David Koontz, MDGreenville, SC 296071750366647

Common questions

What is Karen Leigh Watson, M.D.'s NPI number?

Karen Leigh Watson, M.D.'s National Provider Identifier (NPI) is 1760423909, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Leigh Watson, M.D. located?

The NPPES record lists a practice address at 124 Verdae Blvd Ste 204, Greenville, SC, 29607. Phone: (864) 315-1300. Providers update this record themselves, so call before visiting.

How can I verify Karen Leigh Watson, M.D.'s license?

NPPES lists South Carolina license number 17085, 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 Karen Leigh Watson, M.D. prescribe under Medicare Part D?

In 2024, Karen Leigh Watson, M.D. had 941 Medicare Part D claims for 162 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.