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Cardiovascular Disease (Cardiology)

Thampi John, MD

Works at hospitals in Reedley, CA · Clovis, CA · Fresno, CA · California

Summary

Thampi John, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 4 hospitals in Reedley, CA, Clovis, CA and Fresno, CA. NPI 1043244122. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Thampi John, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
42Years since medical school (graduated 1984)
MaleGender (as listed)
Saint Agnes Medical CenterGroup practice (+1 more)

Quick answers

Which hospitals does Thampi John work at?
Medicare's official clinician data lists Thampi John at 4 hospitals: Adventist Health Reedley, Clovis Community Medical Center, Community Regional Medical Center and Saint Agnes Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thampi John see patients?
Medicare's clinician data lists 5 practice locations, including Fresno, CA and Clovis, CA. Call before your visit to confirm the address.
What is Thampi John's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
Does Thampi John accept Medicare assignment?
Yes. Medicare's clinician data says Thampi John accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Thampi John?
(559) 450-3301, as listed in official Medicare / NPI Registry data.
What is Thampi John's NPI number?
1043244122. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thampi John works

Medicare's Facility Affiliation Data lists Thampi John at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Thampi John is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thampi John as a member of these groups (CMS data updated 2026-10-02).

  • Saint Agnes Medical Center58 clinicians in the group
  • Fresno Community Hospital and Medical Center54 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Fresno

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

All cardiologists in Fresno →

Clinician information

CredentialMD
Graduation year1984
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043244122
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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