Randy Villanueva, MD
NPI 1083666234 · Internal Medicine Physician · Memphis, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Randy Villanueva, MD is a Internal Medicine Physician provider in Memphis, TN (NPI 1083666234).
Provider details
- NPI number
- 1083666234
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 39777 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
14,942 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 2,398 | $117 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 2,106 | $72 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,071 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 1,021 | $13 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 1,011 | $16 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 987 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 255 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,219 | 253 |
| Amlodipine Besylate | 1,141 | 282 |
| Pantoprazole Sodium | 933 | 186 |
| Montelukast Sodium | 914 | 184 |
| Levothyroxine Sodium | 906 | 162 |
| Losartan Potassium | 860 | 198 |
| Donepezil Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,270 across 68 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2015-05-29
Frequently asked questions
- What is Randy Villanueva's NPI number?
- Randy Villanueva's National Provider Identifier (NPI) is 1083666234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Randy Villanueva's specialty?
- Randy Villanueva is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Randy Villanueva located?
- Randy Villanueva's practice location on file with NPPES is 6027 Walnut Grove, Memphis, TN 38120-2145.
- What is Randy Villanueva's phone number?
- The practice phone number listed in the NPPES registry for Randy Villanueva is (901) 818-3921.
- Does Randy Villanueva accept Medicare?
- Randy Villanueva is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Randy Villanueva's NPI active?
- Yes — Randy Villanueva's NPI (1083666234) is active in the NPPES registry as of the last update on 2015-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.