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Internal Medicine

Syed S. Ahmed, MD

Works at hospitals in Tehachapi, CA · Lancaster, CA · Bishop, CA … · California

Summary

Dr. Syed S. Ahmed, MD is an internal medicine doctor at 525 Commerce Ave, Suite A, Palmdale, CA 93551. Phone: (661) 945-8717. Accepts Medicare assignment. In 2024, Syed S. Ahmed had 926 Original Medicare patients and 4,014 services. NPI 1932188521. 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 Syed S. Ahmed, 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 Syed S. Ahmed accept Medicare assignment?
Yes. Medicare's clinician data says Syed S. Ahmed 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 Syed S. Ahmed see?
In 2024, CMS data shows 926 Original Medicare patients and 4,014 services for Syed S. Ahmed. This counts Original Medicare only and measures volume, not quality.
What is Syed S. Ahmed's NPI number?
1932188521. 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 Syed S. Ahmed, 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 patients926
Services billed to Medicare4,014
Different services or procedures45
Participating Medicare providerYes
Average age of these patients71

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)1,357 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)350 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)310 services
  4. Critical care, first 30-74 minutes (99291)255 services
  5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)217 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%
  • COPD64%
  • Arthritis62%
  • Diabetes51%
  • Ischemic heart disease39%

Hospitals where Syed S. Ahmed works

Medicare's Facility Affiliation Data lists Syed S. Ahmed 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 Tehachapi ValleyTehachapi, CA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 051301
  • Antelope Valley HospitalLancaster, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050056
  • Northern Inyo HospitalBishop, CA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 051324
  • Palmdale Regional Medical CenterPalmdale, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050204
  • Ridgecrest Regional HospitalRidgecrest, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051333

Practice locations

Addresses where Syed S. Ahmed is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Syed S. Ahmed as a member of this group (CMS data updated October 2, 2026).

  • Antelope Valley Lung and Sleep Institute Inc2 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Palmdale

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

All internal medicine doctors in Palmdale →

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1932188521
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