NPPES file of Aug 9, 2026

Eric Farquis Knapp, M.D.

Family Medicine Physician · Simpsonville, SC

Eric Farquis Knapp, M.D. is a family medicine physician with a practice address in Simpsonville, South Carolina, and NPI 1144631250, issued on May 12, 2014. Check the license (South Carolina 40657, 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
1144631250
Name
Eric Farquis Knapp
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
40657 SC
Q6049 TX
Self-reported in NPPES; status is on the state search
Practice location
717 SE Main St Bldg A, Simpsonville, SC 29681
Phone
(864) 522-5400
Enumerated
May 12, 2014
Record last updated
May 7, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(864) 522-5405
Medicaid ID
406572 SC
Medicare enrollment
Enrolled (PECOS I20170915000500); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 2014
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 717 SE Main St Bldg A

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

  1. Lindsey Culler, FNP-CFamily Nurse Practitioner1528465747
  2. Brittney Demott, APRNNurse Practitioner1952000432
  3. Glenna Lattimore, FNPFamily Nurse Practitioner1932581014
  4. David Silkiner, M.D.Family Medicine Physician1356382733

Verify Eric Farquis Knapp 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 40657
    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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19% more Medicare Part D claims than the average family medicine physician in 2024

4,235 Medicare Part D claims for 419 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 28 claims were for opioids.

  1. Eric Knapp4,235
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium365 claims
  2. Omeprazole236 claims
  3. Amlodipine Besylate164 claims
  4. Lisinopril146 claims
  5. Levothyroxine Sodium140 claims
  6. Metformin Hcl Er124 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: $539.26

31 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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. Eric Knapp$539.26
  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. Prisma Health University Medical GroupSimpsonville, SC

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

Eric Farquis Knapp among 2,700 family medicine physician records in South Carolina

Eric Farquis Knapp, 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 2014, is newer than 67% of them.

  • NPI issued2014 · 67% of these records are older, 32% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2014 · median 2006 among the 1,638 with a school on file
  • Record last updated2021 · 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).

53 family medicine physician records list a practice address in Simpsonville

They are 53 of the 1,142 NPPES records with a practice address in Simpsonville, and 2,700 family medicine physician records in South Carolina.

The 8 family medicine physician records with the nearest ZIP codes

  1. Molly Adams, MDSimpsonville, SC 296811508853649
  2. Michael Atkinson, M.D.Simpsonville, SC 296811952388480
  3. Nivedita Bijoor, MDSimpsonville, SC 296811588631717
  4. Timothy Dancy, MDSimpsonville, SC 296811588637029
  5. Vincent Green, M.DSimpsonville, SC 296811366431025
  6. Terence Lillis, MDSimpsonville, SC 296811649222142
  7. Milena Lombardi, DOSimpsonville, SC 296811659320018
  8. Andrew McCraw, MDSimpsonville, SC 296811992762611

Common questions

What is Eric Farquis Knapp, M.D.'s NPI number?

Eric Farquis Knapp, M.D.'s National Provider Identifier (NPI) is 1144631250, issued on May 12, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Eric Farquis Knapp, M.D. located?

The NPPES record lists a practice address at 717 SE Main St Bldg A, Simpsonville, SC, 29681. Phone: (864) 522-5400. Providers update this record themselves, so call before visiting.

How can I verify Eric Farquis Knapp, M.D.'s license?

NPPES lists South Carolina license number 40657, 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 Eric Farquis Knapp, M.D. prescribe under Medicare Part D?

In 2024, Eric Farquis Knapp, M.D. had 4,235 Medicare Part D claims for 419 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.