Mary Elizabeth Ross, M.D.
Internal Medicine Physician · Pawleys Island, SC
Mary Elizabeth Ross, M.D. is an internal medicine physician with a practice address in Pawleys Island, South Carolina, and NPI 1346446499, issued on Jun 25, 2007. Check the license (South Carolina MD 33952, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mary Elizabeth Ross
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD 33952 SC
Self-reported in NPPES; status is on the state search - Practice location
- 64 Business Center Dr, Pawleys Island, SC 29585
- Phone
- (843) 313-1314
- Enumerated
- Jun 25, 2007
- Record last updated
- Dec 10, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (843) 314-1308
- Medicaid ID
- GP3598 SC
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 64 Business Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Epperson, MDFamily Medicine Physician1801538269
- Allison Ferdon, MSN, APRN, FNP-CFamily Nurse Practitioner1508441767
- Larry Kelly, M.D.Pediatrics Physician1194727628
- Scott Nicol, M.D.Internal Medicine Physician1902808447
- Michael Ratz, M.D.Pediatrics Physician1922121136
- Terry ReardonInternal Medicine Physician1518961028
Verify Mary Elizabeth Ross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license MD 33952Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,544 Medicare Part D claims for 336 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium129 claims
- Lisinopril74 claims
- Levothyroxine Sodium64 claims
- Losartan Potassium56 claims
- Amlodipine Besylate51 claims
- Simvastatin51 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): 98.5 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).
Mary Elizabeth Ross among 1,881 internal medicine physician records in South Carolina
Mary Elizabeth Ross, 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 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 53% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2012 · 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).
10 internal medicine physician records list a practice address in Pawleys Island
They are 10 of the 262 NPPES records with a practice address in Pawleys Island, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Pawleys Island → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Steven Baird, D.O.Pawleys Island, SC 295851710255732
- Katherine Close, MDPawleys Island, SC 295851952419301
- David Haseltine, M.D.Pawleys Island, SC 295851396747820
- John KonsekPawleys Island, SC 295851346788825
- Scott Nicol, M.D.Pawleys Island, SC 295851902808447
- Terry O'Neal-Cox, M.DPawleys Island, SC 295851154572980
- Terry ReardonPawleys Island, SC 295851518961028
- Michael Remines, DOPawleys Island, SC 295851205891942
Common questions
What is Mary Elizabeth Ross, M.D.'s NPI number?
Mary Elizabeth Ross, M.D.'s National Provider Identifier (NPI) is 1346446499, issued on Jun 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth Ross, M.D. located?
The NPPES record lists a practice address at 64 Business Center Dr, Pawleys Island, SC, 29585. Phone: (843) 313-1314. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth Ross, M.D.'s license?
NPPES lists South Carolina license number MD 33952, 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 Mary Elizabeth Ross, M.D. prescribe under Medicare Part D?
In 2024, Mary Elizabeth Ross, M.D. had 1,544 Medicare Part D claims for 336 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mary Elizabeth Ross, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.5 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.