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Internal Medicine

Andrea McCullum Mejia, DO

Works at hospitals in Orlando, FL · Danville, IN · Clermont, FL … · Florida, Indiana

Summary

Dr. Andrea McCullum Mejia, DO is an internal medicine doctor at 1050 Old Camp Rd, The Villages, FL 32162. Phone: (352) 693-3378. Accepts Medicare assignment. In 2024, Andrea McCullum Mejia had 107 Original Medicare patients and 48,315 services. NPI 1023464054. 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: 1050 Old Camp Rd, The Villages, FL 32162 · Directions (2 more locations)
  • Phone: (352) 693‑3378
  • Medicare: Accepts Medicare assignment
  • Hospitals: AdventHealth Orlando, Hendricks Regional Health, Orlando Health and 2 more
  • Group practice: Cora Health Services Inc (+1 more)
  • Medical school: University Of Kentucky College Of Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Andrea McCullum Mejia, 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 Andrea McCullum Mejia accept Medicare assignment?
Yes. Medicare's clinician data says Andrea McCullum Mejia 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 Andrea McCullum Mejia see?
In 2024, CMS data shows 107 Original Medicare patients and 48,315 services for Andrea McCullum Mejia. This counts Original Medicare only and measures volume, not quality.
What is Andrea McCullum Mejia's NPI number?
1023464054. 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 Andrea McCullum Mejia, 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 patients107
Services billed to Medicare48,315
Different services or procedures31
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)1,140 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)209 services
  3. Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle (96401)192 services
  4. Administration of chemotherapy into vein, 1 hour or less (96413)106 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)60 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 cholesterol75%
  • Arthritis75%
  • High blood pressure70%
  • Osteoporosis41%
  • Ischemic heart disease34%
  • Anxiety34%

Hospitals where Andrea McCullum Mejia works

Medicare's Facility Affiliation Data lists Andrea McCullum Mejia 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.

Practice locations

Addresses where Andrea McCullum Mejia is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Andrea McCullum Mejia as a member of these groups (CMS data updated October 2, 2026).

  • Cora Health Services Inc1,136 clinicians in the group
  • Hendricks County Hospital340 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in The Villages

Clinicians with the same Medicare primary specialty in The Villages, FL — not a recommendation.

All internal medicine doctors in The Villages →

Other clinicians in Cora Health Services Inc

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

Clinician information

CredentialDO
Medical schoolUniversity Of Kentucky College Of Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023464054
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