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Internal Medicine

Melissa Russell, DO

Works at hospitals in Ojai, CA · Ventura, CA · California

Summary

Dr. Melissa Russell, DO is an internal medicine doctor at 147 N Brent St, Ventura, CA 93003. Phone: (805) 652-5652. Accepts Medicare assignment. In 2024, Melissa Russell had 343 Original Medicare patients and 659 services. NPI 1114543998. 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 Melissa Russell, 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 Russell accept Medicare assignment?
Yes. Medicare's clinician data says Melissa Russell 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 Russell see?
In 2024, CMS data shows 343 Original Medicare patients and 659 services for Melissa Russell. This counts Original Medicare only and measures volume, not quality.
What is Melissa Russell's NPI number?
1114543998. 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 Russell, 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 patients343
Services billed to Medicare659
Different services or procedures18
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)174 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)159 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)87 services
  4. Hospital discharge day management, more than 30 minutes (99239)76 services
  5. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)69 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 pressure75%
  • High cholesterol75%
  • Arthritis63%
  • Ischemic heart disease53%
  • Chronic kidney disease50%
  • Diabetes49%

Hospitals where Melissa Russell works

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

Group practices

Medicare enrollment lists Melissa Russell as a member of these groups (CMS data updated October 2, 2026).

  • Community Memorial Health System185 clinicians in the group
  • Pacific Inpatient Physicians34 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Ventura

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

All internal medicine doctors in Ventura →

Other clinicians in Community Memorial Health System

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

Clinician information

CredentialDO
Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114543998
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