NPPES file of Aug 9, 2026

Sylvia Lee Clarkson, M.D.

Family Medicine Physician · Mt Pleasant, SC

Sylvia Lee Clarkson, M.D. is a family medicine physician with a practice address in Mt Pleasant, South Carolina, and NPI 1790166163, issued on Jun 11, 2015. Check the license (South Carolina 51950, 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
1790166163
Name
Sylvia Lee Clarkson
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
51950 SC
Self-reported in NPPES; status is on the state search
Practice location
1440 Ben Sawyer Blvd Ste 1109, Mt Pleasant, SC 29464
Phone
(843) 876-8333
Enumerated
Jun 11, 2015
Record last updated
Oct 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(843) 876-8330
Medicare enrollment
Enrolled (PECOS I20181001003130); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 2015
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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Also registered at 1440 Ben Sawyer Blvd Ste 1109

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

  1. Morgan Andrejchak, MDFamily Medicine Physician1306541362

Verify Sylvia Lee Clarkson 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 51950
    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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35% more Medicare Part D claims than the average family medicine physician in 2024

4,784 Medicare Part D claims for 355 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 87 claims were for opioids.

  1. Sylvia Clarkson4,784
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate193 claims
  2. Atorvastatin Calcium181 claims
  3. Rosuvastatin Calcium173 claims
  4. Levothyroxine Sodium150 claims
  5. Gabapentin138 claims
  6. Losartan Potassium110 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: $113.35

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sylvia Clarkson$113.35
  2. Specialty average$902.55

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

Bills Medicare through one group practice

  1. Carolina Family Care IncMount Pleasant, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sylvia Lee Clarkson among 2,700 family medicine physician records in South Carolina

Sylvia Lee Clarkson, M.D. is one of 2,700 family medicine physician records with a practice address in South Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 68% of them.

  • NPI issued2015 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2015 · median 2006 among the 1,638 with a school on file
  • Record last updated2020 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 family medicine physician records list a practice address in Mt Pleasant

They are 35 of the 1,043 NPPES records with a practice address in Mt Pleasant, and 2,700 family medicine physician records in South Carolina.

The 8 family medicine physician records with the nearest ZIP codes

  1. Edgar Barnard, M.D.Mount Pleasant, SC 294641023004546
  2. Michael Bauerschmidt, MDMount Pleasant, SC 294641326034729
  3. Scott Evans, MDMt Pleasant, SC 294641366464836
  4. Frank Fairey, MDMt Pleasant, SC 294641487603981
  5. Melissa Hunter, MDMt Pleasant, SC 294641437107851
  6. John Knepper, D.O.Mount Pleasant, SC 294641063495067
  7. Patrick Lovegrove, DOMt Pleasant, SC 294641417945171
  8. Demetrios Papadopoulos, MDMt Pleasant, SC 294641568458453

Common questions

What is Sylvia Lee Clarkson, M.D.'s NPI number?

Sylvia Lee Clarkson, M.D.'s National Provider Identifier (NPI) is 1790166163, issued on Jun 11, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Sylvia Lee Clarkson, M.D. located?

The NPPES record lists a practice address at 1440 Ben Sawyer Blvd Ste 1109, Mt Pleasant, SC, 29464. Phone: (843) 876-8333. Providers update this record themselves, so call before visiting.

How can I verify Sylvia Lee Clarkson, M.D.'s license?

NPPES lists South Carolina license number 51950, 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 Sylvia Lee Clarkson, M.D. prescribe under Medicare Part D?

In 2024, Sylvia Lee Clarkson, M.D. had 4,784 Medicare Part D claims for 355 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

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.