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Family Practice

Ajay Rajagopalan, MD

Works at hospitals in Waterloo, IA · Iowa

Summary

Dr. Ajay Rajagopalan, MD is a family doctor at 600 1st St NW, Suite 101, Mason City, IA 50401. May accept Medicare assignment. NPI 1942991641. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 600 1st St NW, Suite 101, Mason City, IA 50401 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Hospital: MercyOne Waterloo Medical Center
  • Medical school: graduated 2018 (8 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ajay Rajagopalan, 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 Ajay Rajagopalan accept Medicare assignment?
Medicare's clinician data says Ajay Rajagopalan may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Ajay Rajagopalan's NPI number?
1942991641. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ajay Rajagopalan works

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

  • 600 1st St NW, Suite 101Mason City, IA 50401
  • 920 S Oak StIowa Falls, IA 50126

Specialties

Find other Family Practice doctors in Iowa →

Other family doctors in Mason City

Clinicians with the same Medicare primary specialty in Mason City, IA — not a recommendation.

All family doctors in Mason City →

Clinician information

CredentialMD
Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1942991641
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians