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Internal Medicine

Melody Zaya, MD

Works at hospitals in Anaheim, CA · California

Summary

Dr. Melody Zaya, MD is an internal medicine doctor at 3430 E La Palma Ave, Anaheim, CA 92806. Phone: (888) 988-2800. Accepts Medicare assignment. In 2024, Melody Zaya had 32 Original Medicare patients and 38 services. NPI 1548491574. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Melody Zaya, 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 Melody Zaya accept Medicare assignment?
Yes. Medicare's clinician data says Melody Zaya 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 Melody Zaya see?
In 2024, CMS data shows 32 Original Medicare patients and 38 services for Melody Zaya. This counts Original Medicare only and measures volume, not quality.
What is Melody Zaya's NPI number?
1548491574. 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 Melody Zaya, 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 patients32
Services billed to Medicare38
Different services or procedures9
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)13 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)12 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 pressure72%
  • High cholesterol63%
  • Ischemic heart disease44%
  • Heart failure41%
  • Diabetes38%
  • Chronic kidney disease38%

Hospitals where Melody Zaya works

Medicare's Facility Affiliation Data lists Melody Zaya 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 Melody Zaya is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

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

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Anaheim

Clinicians with the same Medicare primary specialty in Anaheim, CA — not a recommendation.

All internal medicine doctors in Anaheim →

Other clinicians in Southern California Permanente Medical Group

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

Clinician information

CredentialMD
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548491574
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