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Internal Medicine

Kashif Mahmood, MD

Works at hospitals in Los Angeles, CA · California

Summary

Dr. Kashif Mahmood, MD is an internal medicine doctor at 1701 Santa Anita Ave, S El Monte, CA 91733. Phone: (626) 579-7777. Accepts Medicare assignment. In 2024, Kashif Mahmood had 235 Original Medicare patients and 906 services. NPI 1710299623. 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.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1701 Santa Anita Ave, S El Monte, CA 91733 · Directions
  • Phone: (626) 579‑7777
  • Medicare: Accepts Medicare assignment
  • Hospital: East Los Angeles Doctors Hospital
  • Group practice: Hospitalist Group of Montebello Inc
  • Medical school: graduated 1998 (28 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Kashif Mahmood, 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 Kashif Mahmood accept Medicare assignment?
Yes. Medicare's clinician data says Kashif Mahmood 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 Kashif Mahmood see?
In 2024, CMS data shows 235 Original Medicare patients and 906 services for Kashif Mahmood. This counts Original Medicare only and measures volume, not quality.
What is Kashif Mahmood's NPI number?
1710299623. 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 Kashif Mahmood, 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 patients235
Services billed to Medicare906
Different services or procedures12
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)432 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)140 services
  3. Hospital discharge day management, more than 30 minutes (99239)112 services
  4. Critical care, first 30-74 minutes (99291)92 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)75 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%
  • Arthritis59%
  • Ischemic heart disease53%
  • Diabetes46%
  • Chronic kidney disease44%

Hospitals where Kashif Mahmood works

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

Group practices

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

  • Hospitalist Group of Montebello Inc58 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in S El Monte

Clinicians with the same Medicare primary specialty in S El Monte, CA — not a recommendation.

All internal medicine doctors in S El Monte →

Other clinicians in Hospitalist Group of Montebello Inc

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

Clinician information

CredentialMD
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710299623
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