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Internal Medicine

Melissa C. Hennessey, MD

Works at hospitals in Charlotte, NC · North Carolina

Summary

Dr. Melissa C. Hennessey, MD is an internal medicine doctor at 6060 Piedmont Row Dr S, Charlotte, NC 28287. Phone: (704) 495-6334. Accepts Medicare assignment. In 2024, Melissa C. Hennessey had 190 Original Medicare patients and 1,865 services. NPI 1669504957. 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: 6060 Piedmont Row Dr S, Charlotte, NC 28287 · Directions
  • Phone: (704) 495‑6334
  • Medicare: Accepts Medicare assignment
  • Hospital: Carolinas Medical Center/Behavioral Health
  • Group practice: Tryon Medical Partners, PLLC
  • Medical school: University Of Louisville School Of Medicine · graduated 2004 (22 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Melissa C. Hennessey, 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 Melissa C. Hennessey accept Medicare assignment?
Yes. Medicare's clinician data says Melissa C. Hennessey 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 Melissa C. Hennessey see?
In 2024, CMS data shows 190 Original Medicare patients and 1,865 services for Melissa C. Hennessey. This counts Original Medicare only and measures volume, not quality.
What is Melissa C. Hennessey's NPI number?
1669504957. 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 Melissa C. Hennessey, 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 patients190
Services billed to Medicare1,865
Different services or procedures56
Participating Medicare providerYes
Average age of these patients75

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)245 services
  2. Blood test, comprehensive group of blood chemicals (80053)176 services
  3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)165 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)152 services
  5. Blood test, lipids (cholesterol and triglycerides) (80061)150 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%
  • High blood pressure64%
  • Arthritis39%
  • Depression27%
  • Anxiety25%
  • Osteoporosis25%

Hospitals where Melissa C. Hennessey works

Medicare's Facility Affiliation Data lists Melissa C. Hennessey 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 Melissa C. Hennessey is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Melissa C. Hennessey as a member of this group (CMS data updated October 2, 2026).

  • Tryon Medical Partners, PLLC141 clinicians in the group

Specialties

Find other Internal Medicine doctors in North Carolina →

Other internal medicine doctors in Charlotte

Clinicians with the same Medicare primary specialty in Charlotte, NC — not a recommendation.

All internal medicine doctors in Charlotte →

Other clinicians in Tryon Medical Partners, PLLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Louisville School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1669504957
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