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

Internal Medicine

Mahesha V. Thimmarayappa, MD

Works at hospitals in Cape Coral, FL · Fort Myers, FL · Naples, FL · Florida

Summary

Dr. Mahesha V. Thimmarayappa, MD is an internal medicine doctor at 1855 Veterans Park Dr, Suite 304, Naples, FL 34109. Phone: (239) 676-0656. Accepts Medicare assignment. In 2024, Mahesha V. Thimmarayappa had 555 Original Medicare patients and 3,575 services. NPI 1043300486. 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 Mahesha V. Thimmarayappa, 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 Mahesha V. Thimmarayappa accept Medicare assignment?
Yes. Medicare's clinician data says Mahesha V. Thimmarayappa 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 Mahesha V. Thimmarayappa see?
In 2024, CMS data shows 555 Original Medicare patients and 3,575 services for Mahesha V. Thimmarayappa. This counts Original Medicare only and measures volume, not quality.
What is Mahesha V. Thimmarayappa's NPI number?
1043300486. 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 Mahesha V. Thimmarayappa, 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 patients555
Services billed to Medicare3,575
Different services or procedures33
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)981 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)890 services
  3. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)510 services
  4. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)509 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)185 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 cholesterol75%
  • High blood pressure68%
  • Arthritis57%
  • Ischemic heart disease40%
  • Diabetes23%
  • Atrial fibrillation22%

Hospitals where Mahesha V. Thimmarayappa works

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

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Naples

Clinicians with the same Medicare primary specialty in Naples, FL — not a recommendation.

All internal medicine doctors in Naples →

Clinician information

CredentialMD
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1043300486
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