Michael J. Gallagher, MD
Internal Medicine Physician · Columbus, OH
Michael J. Gallagher, MD is an internal medicine physician with a practice address in Columbus, Ohio, and NPI 1033613617, issued on Mar 20, 2018. Check the license (Ohio 35.138625, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Michael J. Gallagher
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35.138625 OH
Self-reported in NPPES; status is on the state search - Practice location
- 4825 Knightsbridge Blvd, Columbus, OH 43214
- Phone
- (614) 451-9612
- Enumerated
- Mar 20, 2018
- Record last updated
- Jun 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (614) 451-2009
- Medicaid ID
- 0429053 OH
- Medicare enrollment
- Enrolled (PECOS I20210104001807); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 4825 Knightsbridge Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael J. Gallagher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.138625Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average internal medicine physician in 2024
4,977 Medicare Part D claims for 492 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 113 claims were for opioids.
Most prescribed
- Atorvastatin Calcium439 claims
- Levothyroxine Sodium212 claims
- Amlodipine Besylate190 claims
- Losartan Potassium119 claims
- Omeprazole119 claims
- Duloxetine Hcl117 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $918.34
54 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Central Ohio Primary Care Physicians, Inc.Columbus, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael J. Gallagher among 5,277 internal medicine physician records in Ohio
Michael J. Gallagher, MD is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 78% of them.
- NPI issued2018 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2018 · median 2006 among the 3,414 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
580 internal medicine physician records list a practice address in Columbus
They are 580 of the 36,491 NPPES records with a practice address in Columbus, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Columbus → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Francine Giannetto, M.D.Columbus, OH 432141548243223
- William Gramann, M.D.Columbus, OH 432141093798779
- Marietta Hofmeister, M.D.Columbus, OH 432141639152317
- Joseph Jacko, MDColumbus, OH 432141730185844
- David Lahue, M.D.Columbus, OH 432141861476327
Common questions
What is Michael J. Gallagher, MD's NPI number?
Michael J. Gallagher, MD's National Provider Identifier (NPI) is 1033613617, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Michael J. Gallagher, MD located?
The NPPES record lists a practice address at 4825 Knightsbridge Blvd, Columbus, OH, 43214. Phone: (614) 451-9612. Providers update this record themselves, so call before visiting.
How can I verify Michael J. Gallagher, MD's license?
NPPES lists Ohio license number 35.138625, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael J. Gallagher, MD prescribe under Medicare Part D?
In 2024, Michael J. Gallagher, MD had 4,977 Medicare Part D claims for 492 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.