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

Internal Medicine

Zahid I. Shaikh, MD

Works at hospitals in Concord, CA · Walnut Creek, CA · Fremont, CA · California

Summary

Dr. Zahid I. Shaikh, MD is an internal medicine doctor at 1155 Rock Creek Way, Concord, CA 94521. Phone: (925) 322-3442. Accepts Medicare assignment. In 2024, Zahid I. Shaikh had 961 Original Medicare patients and 8,820 services. NPI 1740441294. 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 Zahid I. Shaikh, 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 Zahid I. Shaikh accept Medicare assignment?
Yes. Medicare's clinician data says Zahid I. Shaikh 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 Zahid I. Shaikh see?
In 2024, CMS data shows 961 Original Medicare patients and 8,820 services for Zahid I. Shaikh. This counts Original Medicare only and measures volume, not quality.
What is Zahid I. Shaikh's NPI number?
1740441294. 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 Zahid I. Shaikh, 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 patients961
Services billed to Medicare8,820
Different services or procedures13
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)6,794 services
  2. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)761 services
  3. Nursing facility discharge management, more than 30 minutes (99316)385 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)334 services
  5. Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)223 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%
  • Arthritis55%
  • Chronic kidney disease52%
  • Depression45%
  • Diabetes44%

Hospitals where Zahid I. Shaikh works

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

Group practices

Medicare enrollment lists Zahid I. Shaikh as a member of this group (CMS data updated October 2, 2026).

  • Pro Care Medical Group Inc3 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Concord

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

All internal medicine doctors in Concord →

Other clinicians in Pro Care Medical Group Inc

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

Clinician information

CredentialMD
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740441294
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