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Neurosurgery

Girish K. Hiremath, MD

Works at hospitals in Dublin, OH · Delaware, OH · Columbus, OH … · Ohio

Summary

Dr. Girish K. Hiremath, MD is a neurosurgeon at 3555 Olentangy River Rd, Suite 2001, Columbus, OH 43214. Phone: (614) 533-5500. Accepts Medicare assignment. In 2024, Girish K. Hiremath had 181 Original Medicare patients and 280 services. NPI 1811163603. 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 Girish K. Hiremath, 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 Girish K. Hiremath accept Medicare assignment?
Yes. Medicare's clinician data says Girish K. Hiremath 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 Girish K. Hiremath see?
In 2024, CMS data shows 181 Original Medicare patients and 280 services for Girish K. Hiremath. This counts Original Medicare only and measures volume, not quality.
What is Girish K. Hiremath's NPI number?
1811163603. 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 Girish K. Hiremath, 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 patients181
Services billed to Medicare280
Different services or procedures40
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)80 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)62 services
  3. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)36 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)17 services
  5. Insertion of brain neurostimulator pulse device with connection to single electrode array (61885)12 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%
  • Arthritis68%
  • Depression48%
  • Anxiety45%
  • Diabetes38%

Hospitals where Girish K. Hiremath works

Medicare's Facility Affiliation Data lists Girish K. Hiremath 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.

  • Dublin Methodist HospitalDublin, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360348
  • Grady Memorial HospitalDelaware, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360210
  • Grant Medical CenterColumbus, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 360017
  • Marion General HospitalMarion, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360011
  • Riverside Methodist HospitalColumbus, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360006

Practice locations

Addresses where Girish K. Hiremath is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Girish K. Hiremath as a member of this group (CMS data updated October 2, 2026).

  • OhioHealth Corporation2,314 clinicians in the group

Specialties

Find other Neurosurgery doctors in Ohio →

Other neurosurgeons in Columbus

Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.

All neurosurgeons in Columbus →

Other clinicians in OhioHealth Corporation

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

Clinician information

CredentialMD
Medical schoolNortheastern Ohio University College Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811163603
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