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Neurosurgery

Baltazar A. Zavala, MD

Sees patients in Westerville, OH · Ohio

Summary

Dr. Baltazar A. Zavala, MD is a neurosurgeon at 6100 N Hamilton Rd, Westerville, OH 43081. Phone: (614) 814-8100. Accepts Medicare assignment. NPI 1215472162. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Neurosurgeon (Medicare lists Neurosurgery)
  • Address: 6100 N Hamilton Rd, Westerville, OH 43081 · Directions
  • Phone: (614) 814‑8100
  • Medicare: Accepts Medicare assignment
  • Group practice: OSU Internal Medicine LLC
  • Medical school: Johns Hopkins University School Of Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Baltazar A. Zavala, 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 Baltazar A. Zavala accept Medicare assignment?
Yes. Medicare's clinician data says Baltazar A. Zavala 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.
What is Baltazar A. Zavala's NPI number?
1215472162. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Baltazar A. Zavala is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Baltazar A. Zavala as a member of this group (CMS data updated October 2, 2026).

  • OSU Internal Medicine LLC1,161 clinicians in the group

Specialties

Find other Neurosurgery doctors in Ohio →

Other neurosurgeons in Ohio

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

All neurosurgeons in Ohio →

Other clinicians in OSU Internal Medicine LLC

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

Clinician information

CredentialMD
Medical schoolJohns Hopkins University School Of Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215472162
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians