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Internal Medicine

Venkata K. Chalasani, MD

Works at hospitals in Saint Marys, OH · Lima, OH · Dayton, OH · Ohio

Summary

Venkata K. Chalasani, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Saint Marys, OH, Lima, OH and Dayton, OH. NPI 1164525952. 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 Venkata K. Chalasani, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
MaleGender (as listed)
JTDM Family Practice LLCGroup practice (+1 more)

Quick answers

Which hospitals does Venkata K. Chalasani work at?
Medicare's official clinician data lists Venkata K. Chalasani at 4 hospitals: Grand Lake Health System, Lima Memorial Health System, Mercy Health St Ritas Medical Center and Miami Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Venkata K. Chalasani see patients?
Medicare's clinician data lists 2 practice locations, including Saint Marys, OH and Wapakoneta, OH. Call before your visit to confirm the address.
What is Venkata K. Chalasani's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Family Practice.
Does Venkata K. Chalasani accept Medicare assignment?
Yes. Medicare's clinician data says Venkata K. Chalasani 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 Venkata K. Chalasani?
(419) 738-4445, as listed in official Medicare / NPI Registry data.
What is Venkata K. Chalasani's NPI number?
1164525952. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Venkata K. Chalasani works

Medicare's Facility Affiliation Data lists Venkata K. Chalasani 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 Venkata K. Chalasani is enrolled with Medicare (CMS data updated 2026-10-02).

  • 200 Saint Clair AveSaint Marys, OH 45885
  • 812 Redskin Trl, Suite AWapakoneta, OH 45895 (419) 738‑4445

Group practices

Medicare enrollment lists Venkata K. Chalasani as a member of these groups (CMS data updated 2026-10-02).

  • JTDM Family Practice LLC47 clinicians in the group
  • Joint Township District Memorial Hospital39 clinicians in the group

Specialties

Find other Internal Medicine doctors in Ohio →

Other internal medicine doctors in Ohio

Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.

All internal medicine doctors in Ohio →

Clinician information

CredentialMD
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164525952
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