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Hospitalist

Naveen Gnanabakthan, MD

Works at hospitals in Buffalo, NY · New York

Summary

Dr. Naveen Gnanabakthan, MD is a hospitalist at 462 Grider St, Buffalo, NY 14215. Phone: (716) 898-3000. Accepts Medicare assignment. In 2024, Naveen Gnanabakthan had 110 Original Medicare patients and 314 services. NPI 1104267079. 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.

  • Specialty: Hospitalist
  • Address: 462 Grider St, Buffalo, NY 14215 · Directions
  • Phone: (716) 898‑3000
  • Medicare: Accepts Medicare assignment
  • Hospital: Erie County Medical Center
  • Group practice: Apogee Medical Group, New York, PC
  • Medical school: graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Naveen Gnanabakthan, 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 Naveen Gnanabakthan accept Medicare assignment?
Yes. Medicare's clinician data says Naveen Gnanabakthan 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 Naveen Gnanabakthan see?
In 2024, CMS data shows 110 Original Medicare patients and 314 services for Naveen Gnanabakthan. This counts Original Medicare only and measures volume, not quality.
What is Naveen Gnanabakthan's NPI number?
1104267079. 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 Naveen Gnanabakthan, 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 patients110
Services billed to Medicare314
Different services or procedures9
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)233 services
  2. Hospital discharge day management, more than 30 minutes (99239)42 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%
  • Diabetes54%
  • Chronic kidney disease54%
  • Anxiety52%

Hospitals where Naveen Gnanabakthan works

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

Group practices

Medicare enrollment lists Naveen Gnanabakthan as a member of this group (CMS data updated October 2, 2026).

  • Apogee Medical Group, New York, PC120 clinicians in the group

Specialties

Find other Hospitalist doctors in New York →

Other hospitalists in Buffalo

Clinicians with the same Medicare primary specialty in Buffalo, NY — not a recommendation.

All hospitalists in Buffalo →

Other clinicians in Apogee Medical Group, New York, PC

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

Clinician information

CredentialMD
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104267079
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