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

Internal Medicine

Melanchton A. Mangoba, MD

Sees patients in Riverside, CA · California

Summary

Dr. Melanchton A. Mangoba, MD is an internal medicine doctor at 3838 Sherman Dr, Suite 2, Riverside, CA 92503. Phone: (951) 686-3437. May accept Medicare assignment. In 2024, Melanchton A. Mangoba had 131 Original Medicare patients and 675 services. NPI 1376605717. 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: 3838 Sherman Dr, Suite 2, Riverside, CA 92503 · Directions (1 more location)
  • Phone: (951) 686‑3437
  • Medicare: May accept Medicare assignment
  • Group practice: Grace Medical and Wellness Clinic
  • Medical school: Loma Linda University School Of Medicine · graduated 2004 (22 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Melanchton A. Mangoba, 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 Melanchton A. Mangoba accept Medicare assignment?
Medicare's clinician data says Melanchton A. Mangoba may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Melanchton A. Mangoba see?
In 2024, CMS data shows 131 Original Medicare patients and 675 services for Melanchton A. Mangoba. This counts Original Medicare only and measures volume, not quality.
What is Melanchton A. Mangoba's NPI number?
1376605717. 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 Melanchton A. Mangoba, 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 patients131
Services billed to Medicare675
Different services or procedures16
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)478 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)83 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)30 services
  4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)16 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%
  • Diabetes63%
  • Heart failure53%
  • Chronic kidney disease50%
  • COPD47%

Practice locations

Addresses where Melanchton A. Mangoba is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Melanchton A. Mangoba as a member of this group (CMS data updated October 2, 2026).

  • Grace Medical and Wellness Clinic6 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Riverside

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

All internal medicine doctors in Riverside →

Other clinicians in Grace Medical and Wellness Clinic

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

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1376605717
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