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Internal Medicine

Shahid O. Khan, MD

Sees patients in Lancaster, CA · California

Summary

Dr. Shahid O. Khan, MD is an internal medicine doctor at 335 E Ave I, Lancaster, CA 93535. Phone: (661) 471-4232. Accepts Medicare assignment. In 2024, Shahid O. Khan had 124 Original Medicare patients and 625 services. NPI 1447394812. 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: 335 E Ave I, Lancaster, CA 93535 · Directions
  • Phone: (661) 471‑4232
  • Medicare: Accepts Medicare assignment
  • Group practice: County of Los Angeles
  • Medical school: graduated 1978 (48 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Shahid O. Khan, 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 Shahid O. Khan accept Medicare assignment?
Yes. Medicare's clinician data says Shahid O. Khan 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 Shahid O. Khan see?
In 2024, CMS data shows 124 Original Medicare patients and 625 services for Shahid O. Khan. This counts Original Medicare only and measures volume, not quality.
What is Shahid O. Khan's NPI number?
1447394812. 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 Shahid O. Khan, 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 patients124
Services billed to Medicare625
Different services or procedures61
Participating Medicare providerYes
Average age of these patients68

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)211 services
  2. Insertion of needle into vein for collection of blood sample (36415)107 services
  3. Blood test, comprehensive group of blood chemicals (80053)32 services
  4. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)32 services
  5. Blood test, lipids (cholesterol and triglycerides) (80061)30 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 pressure73%
  • High cholesterol65%
  • Diabetes49%
  • Arthritis20%
  • Ischemic heart disease15%
  • Chronic kidney disease15%

Practice locations

Addresses where Shahid O. Khan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shahid O. Khan as a member of this group (CMS data updated October 2, 2026).

  • County of Los Angeles397 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Lancaster

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

All internal medicine doctors in Lancaster →

Other clinicians in County of Los Angeles

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

Clinician information

CredentialMD
Graduation year1978 (48 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447394812
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