Megan O'Neill Witt, M.D.
Internal Medicine Physician · Greenville, SC
Megan O'Neill Witt, M.D. is an internal medicine physician with a practice address in Greenville, South Carolina, and NPI 1699902213, issued on Jun 22, 2009. Check the license (South Carolina 31850, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Megan O'Neill Witt
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 31850 SC
Self-reported in NPPES; status is on the state search - Practice location
- 877 W Faris RD Ste B, Greenville, SC 29605
- Phone
- (864) 522-6225
- Enumerated
- Jun 22, 2009
- Record last updated
- May 3, 2023
- Fax
- (864) 522-6235
- Medicaid ID
- 318506 SC
- Medicare enrollment
- Enrolled (PECOS I20120816000851); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 877 W Faris RD Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Diamant, MDFamily Medicine Physician1003221623
- Whitney Fields, DNP, APRN, NP-CFamily Nurse Practitioner1467976720
- Miranda Horton, M.D.Internal Medicine Physician1013930700
- Casey Hurst, MDFamily Medicine Physician1588892814
- Erin Johnson, N.P.Family Nurse Practitioner1669843843
- Jill McCreight, NPFamily Nurse Practitioner1669851010
Verify Megan O'Neill Witt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 31850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,553 Medicare Part D claims for 250 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 34 claims were for opioids.
Most prescribed
- Levothyroxine Sodium142 claims
- Atorvastatin Calcium131 claims
- Losartan Potassium124 claims
- Amlodipine Besylate104 claims
- Omeprazole94 claims
- Rosuvastatin Calcium85 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: $570.46
35 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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.
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
- Prisma Health University Medical GroupGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 253 in Greenville → All 1,881 in South Carolina → Every provider in Greenville →
Other internal medicine physician records in South Carolina
- Sheharyar Abbasi, DOMyrtle Beach, SC1619617222
- John Abbott, M.D.Sumter, SC1093830762
- Amjad Abdulrahman, MDIrmo, SC1194718841
- Alvin Abinsay, M.D.Marion, SC1689608002
- Izabela Abissi, DOCharleston, SC1376387803
- Tinu Abraham, MDGreenwood, SC1194354399
- Natallia Abramovich, MDSeneca, SC1568647949
- Ibrahim Abu Dayah, MDMyrtle Beach, SC1306368667
- Lauren Abusal, MD, MSCRMyrtle Beach, SC1093552911
- John Adams, MDElgin, SC1750395570
Common questions
What is Megan O'Neill Witt, M.D.'s NPI number?
Megan O'Neill Witt, M.D.'s National Provider Identifier (NPI) is 1699902213, issued on Jun 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Megan O'Neill Witt, M.D. located?
The NPPES record lists a practice address at 877 W Faris RD Ste B, Greenville, SC, 29605. Phone: (864) 522-6225. Providers update this record themselves, so call before visiting.
How can I verify Megan O'Neill Witt, M.D.'s license?
NPPES lists South Carolina license number 31850, 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 Megan O'Neill Witt, M.D. prescribe under Medicare Part D?
In 2024, Megan O'Neill Witt, M.D. had 2,553 Medicare Part D claims for 250 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.
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.