Randolph Chu Villamor, MD
Internal Medicine Physician · Rock Hill, SC
Randolph Chu Villamor, MD is an internal medicine physician with a practice address in Rock Hill, South Carolina, and NPI 1851383731, issued on Aug 17, 2005. Check the license (South Carolina 24083, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Randolph Chu Villamor
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 24083 SC
Self-reported in NPPES; status is on the state search - Practice location
- 311 Glenwood Dr, Rock Hill, SC 29732
- Phone
- (880) 336-6717
- Enumerated
- Aug 17, 2005
- Record last updated
- Oct 13, 2023
- Fax
- (803) 366-0529
- Medicaid ID
- 240830 SC
- Medicare enrollment
- Enrolled (PECOS I20031210000836); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 311 Glenwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Hoitink, MDInternal Medicine Physician1861484750
- Rhea Hsu, MDInternal Medicine Physician1952394744
- Matthew Jenkins, MDInternal Medicine Physician1467444133
- Denine Raymond, FNPNurse Practitioner1528611357
- Bailey WardFamily Nurse Practitioner1568153708
Verify Randolph Chu Villamor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 24083Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average internal medicine physician in 2024
11,281 Medicare Part D claims for 816 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 91 claims were for opioids.
Most prescribed
- Atorvastatin Calcium692 claims
- Amlodipine Besylate528 claims
- Levothyroxine Sodium443 claims
- Valsartan358 claims
- Gabapentin343 claims
- Metoprolol Succinate326 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 practice group's MIPS final score for 2023 (Medicare payment program): 87.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Cora South Carolina LLCRock Hill, SC
- Piedmont Physician Network LLCRock Hill, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Randolph Chu Villamor among 1,881 internal medicine physician records in South Carolina
Randolph Chu Villamor, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1992 · median 2006 among the 1,119 with a school on file
- Record last updated2023 · 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).
Internal Medicine Physician providers in South Carolina
There are 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Rock Hill → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anju Choudhury, MDRock Hill, SC 297321942266960
- Sushil Das, M.D.Rock Hill, SC 297321659353811
- Bamidele Ekunsanmi, M.DRock Hill, SC 297321932156171
- John Hoitink, MDRock Hill, SC 297321861484750
- Rhea Hsu, MDRock Hill, SC 297321952394744
- Matthew Jenkins, MDRock Hill, SC 297321467444133
- Rajesh Kedar, MDRock Hill, SC 297321659337681
- Sandra McMahon, M.D.,Rock Hill, SC 297321538189519
Common questions
What is Randolph Chu Villamor, MD's NPI number?
Randolph Chu Villamor, MD's National Provider Identifier (NPI) is 1851383731, issued on Aug 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Randolph Chu Villamor, MD located?
The NPPES record lists a practice address at 311 Glenwood Dr, Rock Hill, SC, 29732. Phone: (880) 336-6717. Providers update this record themselves, so call before visiting.
How can I verify Randolph Chu Villamor, MD's license?
NPPES lists South Carolina license number 24083, 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 Randolph Chu Villamor, MD prescribe under Medicare Part D?
In 2024, Randolph Chu Villamor, MD had 11,281 Medicare Part D claims for 816 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Randolph Chu Villamor, MD's MIPS final score?
The 2023 MIPS final score is 87.3 of 100, reported for the practice group. 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.