Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nephrology

Melissa Cadnapaphornchai, MD

Works at hospitals in Philadelphia, PA · Pennsylvania

Summary

Dr. Melissa Cadnapaphornchai, MD is a nephrologist at 3401 Civic Ctr Blvd, Philadelphia, PA 19104. Phone: (215) 590-1000. Accepts Medicare assignment. NPI 1477638112. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Nephrologist (Medicare lists Nephrology)
  • Address: 3401 Civic Ctr Blvd, Philadelphia, PA 19104 · Directions
  • Phone: (215) 590‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Children's Hospital of Philadelphia
  • Group practice: Childrens Health Care Associates Inc
  • Medical school: University Of Michigan Medical School · graduated 1993 (33 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Melissa Cadnapaphornchai, 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 Cadnapaphornchai accept Medicare assignment?
Yes. Medicare's clinician data says Melissa Cadnapaphornchai 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.
What is Melissa Cadnapaphornchai's NPI number?
1477638112. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Melissa Cadnapaphornchai works

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

Group practices

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

  • Childrens Health Care Associates Inc220 clinicians in the group

Specialties

Find other Nephrology doctors in Pennsylvania →

Other nephrologists in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

All nephrologists in Philadelphia →

Other clinicians in Childrens Health Care Associates Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477638112
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians