Randolph Villamor, MD
NPI 1851383731 · Internal Medicine Physician · Rock Hill, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Randolph Villamor, MD is a Internal Medicine Physician provider in Rock Hill, SC (NPI 1851383731).
Provider details
- NPI number
- 1851383731
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 24083 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,368 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,065 | $90 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 655 | $126 |
| Hemoglobin A1c Level83036 | 413 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 390 | $131 |
| Administration of Influenza Virus VaccineG0008 | 165 | $30 |
| Urine Microalbumin (protein) Analysis82044 | 128 | $6 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 151 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 692 | 203 |
| Amlodipine Besylate | 528 | 154 |
| Levothyroxine Sodium | 443 | 117 |
| Valsartan | 358 | 109 |
| Gabapentin | 343 | 92 |
| Metoprolol Succinate | 326 | 94 |
| Omeprazole | 320 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-17
- Last updated
- 2023-10-13
- Certified
- 2023-10-13
Frequently asked questions
- What is Randolph Villamor's NPI number?
- Randolph Villamor's National Provider Identifier (NPI) is 1851383731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Randolph Villamor's specialty?
- Randolph Villamor is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Randolph Villamor located?
- Randolph Villamor's practice location on file with NPPES is 311 Glenwood Dr, Rock Hill, SC 29732-1818.
- What is Randolph Villamor's phone number?
- The practice phone number listed in the NPPES registry for Randolph Villamor is (880) 336-6717.
- Does Randolph Villamor accept Medicare?
- Randolph Villamor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Randolph Villamor's NPI active?
- Yes — Randolph Villamor's NPI (1851383731) is active in the NPPES registry as of the last update on 2023-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.