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Internal Medicine

Jahangir Mahmoudi, MD

Works at hospitals in Marysville, CA · Colusa, CA · Chico, CA … · California

Summary

Dr. Jahangir Mahmoudi, MD is an internal medicine doctor at 1290 Lincoln Rd, Yuba City, CA 95991. Phone: (530) 674-7655. May accept Medicare assignment. In 2024, Jahangir Mahmoudi had 358 Original Medicare patients and 1,201 services. NPI 1669478491. 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 Jahangir Mahmoudi, 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 Jahangir Mahmoudi accept Medicare assignment?
Medicare's clinician data says Jahangir Mahmoudi may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Jahangir Mahmoudi see?
In 2024, CMS data shows 358 Original Medicare patients and 1,201 services for Jahangir Mahmoudi. This counts Original Medicare only and measures volume, not quality.
What is Jahangir Mahmoudi's NPI number?
1669478491. 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 Jahangir Mahmoudi, 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 patients358
Services billed to Medicare1,201
Different services or procedures6
Participating Medicare providerYes
Average age of these patients68

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)939 services
  2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)148 services
  3. Needle measurement of electrical activity in arm or leg muscles, complete study (95886)73 services
  4. Nerve conduction, 11-12 studies (95912)19 services
  5. Nerve conduction, 13 or more studies (95913)13 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 cholesterol75%
  • High blood pressure72%
  • Diabetes54%
  • Arthritis47%
  • Anxiety28%
  • Depression26%

Hospitals where Jahangir Mahmoudi works

Medicare's Facility Affiliation Data lists Jahangir Mahmoudi 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.

  • Adventist Health and RideoutMarysville, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050133
  • Colusa Medical CenterColusa, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050783
  • Enloe HealthChico, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050039
  • Orchard HospitalGridley, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051311
  • Oroville HospitalOroville, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050030

Practice locations

Addresses where Jahangir Mahmoudi is enrolled with Medicare (CMS data updated October 2, 2026).

  • 1290 Lincoln RdYuba City, CA 95991
  • 1290 Lincoln Rd, Suite 2Yuba City, CA 95991 (530) 674‑7655

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Yuba City

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

All internal medicine doctors in Yuba City →

Clinician information

CredentialMD
Graduation year1968 (58 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1669478491
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