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Internal Medicine

Melinda W. Phillips, MD

Sees patients in Monrovia, CA · Chino, CA · California

Summary

Dr. Melinda W. Phillips, MD is an internal medicine doctor at 517 S Myrtle Ave, Suite 101, Monrovia, CA 91016. Phone: (628) 408-5927. Accepts Medicare assignment. In 2024, Melinda W. Phillips had 32 Original Medicare patients and 53 services. NPI 1689871386. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 517 S Myrtle Ave, Suite 101, Monrovia, CA 91016 · Directions (1 more location)
  • Phone: (628) 408‑5927
  • Medicare: Accepts Medicare assignment
  • Group practice: Huntington Specialist and Nursing Corporation
  • Medical school: University Of Southern California Keck School Of Medicine · graduated 2005 (21 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Melinda W. Phillips, 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 Melinda W. Phillips accept Medicare assignment?
Yes. Medicare's clinician data says Melinda W. Phillips 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 Melinda W. Phillips see?
In 2024, CMS data shows 32 Original Medicare patients and 53 services for Melinda W. Phillips. This counts Original Medicare only and measures volume, not quality.
What is Melinda W. Phillips's NPI number?
1689871386. 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 Melinda W. Phillips, 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 Medicare53
Different services or procedures4
Participating Medicare providerYes
Average age of these patients52

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)39 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).

  • Depression75%
  • High blood pressure72%
  • Anxiety59%
  • High cholesterol56%
  • Arthritis53%

Practice locations

Addresses where Melinda W. Phillips is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Melinda W. Phillips as a member of this group (CMS data updated October 2, 2026).

  • Huntington Specialist and Nursing Corporation11 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in California

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

All internal medicine doctors in California →

Other clinicians in Huntington Specialist and Nursing Corporation

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

Clinician information

CredentialMD
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689871386
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians