Mary Lou Kachmer McGregor, MD
Ophthalmology Physician · Columbus, OH
Mary Lou Kachmer McGregor, MD is an ophthalmology physician with a practice address in Columbus, Ohio, and NPI 1487654422, issued on Jul 29, 2005. Check the license (Ohio 35054363, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mary Lou Kachmer McGregor
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 35054363 OH
Self-reported in NPPES; status is on the state search - Practice location
- 555 S 18TH St, Columbus, OH 43205
- Phone
- (614) 224-6222
- Enumerated
- Jul 29, 2005
- Record last updated
- Sep 15, 2025
- Fax
- (614) 241-5232
- Medicaid ID
- 0764687 OH
- Medicare enrollment
- Enrolled (PECOS I20050627001018); accepts Medicare assignment
- Medical or professional school
- Northeastern Ohio University College Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 751 in Ohio → Look up another NPI →
Also registered at 555 S 18TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Lou Kachmer McGregor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35054363Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average ophthalmology physician in 2024
60 Medicare Part D claims for 23 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Erythromycin27 claims
- Neomycin-Polymyxin-Dexameth21 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.
Bills Medicare through one group practice
- Pediatric Ophthalmology Associates IncColumbus, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Lou Kachmer McGregor among 751 ophthalmology physician records in Ohio
Mary Lou Kachmer McGregor, MD is one of 751 ophthalmology physician records with a practice address in Ohio. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 75% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1985 · median 2002 among the 495 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Ohio
There are 751 ophthalmology physician records in Ohio.
All 751 in Ohio → Every provider in Columbus → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Don Bremer, MDColumbus, OH 432051821082413
- Cybil Cassady, MDColumbus, OH 432051073513016
- Richard Golden, MDColumbus, OH 432051437159571
- Hilliary Inger, MDColumbus, OH 432051912324245
- Catherine Jordan, MDColumbus, OH 432051932356540
- Julie Lange, MDColumbus, OH 432051356422133
- Shreya Prabhu, MDColumbus, OH 432051962661512
- Gary Rogers, MDColumbus, OH 432051760482707
Common questions
What is Mary Lou Kachmer McGregor, MD's NPI number?
Mary Lou Kachmer McGregor, MD's National Provider Identifier (NPI) is 1487654422, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary Lou Kachmer McGregor, MD located?
The NPPES record lists a practice address at 555 S 18TH St, Columbus, OH, 43205. Phone: (614) 224-6222. Providers update this record themselves, so call before visiting.
How can I verify Mary Lou Kachmer McGregor, MD's license?
NPPES lists Ohio license number 35054363, 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 Mary Lou Kachmer McGregor, MD prescribe under Medicare Part D?
In 2024, Mary Lou Kachmer McGregor, MD had 60 Medicare Part D claims for 23 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.