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Internal Medicine

Jonessa Ann A. Villanueva, MD

Works at hospitals in Loris, SC · South Carolina

Summary

Dr. Jonessa Ann A. Villanueva, MD is an internal medicine doctor at 2021 N Myrtle Point Blvd, Suite 104, North Myrtle Beach, SC 29582. Phone: (843) 366-2900. Accepts Medicare assignment. In 2024, Jonessa Ann A. Villanueva had 42 Original Medicare patients and 68 services. NPI 1619256849. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2021 N Myrtle Point Blvd, Suite 104, North Myrtle Beach, SC 29582 · Directions
  • Phone: (843) 366‑2900
  • Medicare: Accepts Medicare assignment
  • Hospital: McLeod Loris Hospital
  • Group practice: McLeod Physician Associates II
  • Medical school: graduated 2008 (18 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jonessa Ann A. Villanueva, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jonessa Ann A. Villanueva accept Medicare assignment?
Yes. Medicare's clinician data says Jonessa Ann A. Villanueva accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Jonessa Ann A. Villanueva see?
In 2024, CMS data shows 42 Original Medicare patients and 68 services for Jonessa Ann A. Villanueva. This counts Original Medicare only and measures volume, not quality.
What is Jonessa Ann A. Villanueva's NPI number?
1619256849. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Jonessa Ann A. Villanueva, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients42
Services billed to Medicare68
Different services or procedures14
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)24 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)15 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis57%
  • Ischemic heart disease31%
  • Anxiety26%
  • Atrial fibrillation26%

Hospitals where Jonessa Ann A. Villanueva works

Medicare's Facility Affiliation Data lists Jonessa Ann A. Villanueva at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • McLeod Loris HospitalLoris, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 420105

Practice locations

Addresses where Jonessa Ann A. Villanueva is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jonessa Ann A. Villanueva as a member of this group (CMS data updated October 2, 2026).

  • McLeod Physician Associates II550 clinicians in the group

Specialties

Find other Internal Medicine doctors in South Carolina →

Other internal medicine doctors in South Carolina

Clinicians with the same Medicare primary specialty in South Carolina — not a recommendation.

All internal medicine doctors in South Carolina →

Other clinicians in McLeod Physician Associates II

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619256849
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians