Dr. John M. McGregor, MD
- Medicare services, 2024
- 67
- Medicare patients, 2024
- 83
- Part D claims, 2024
- 20
- Hospital affiliations
- 2
- Industry payments
- $676
- Practice address
- 460 W 10th Ave, Columbus, OH 43210
- Practice phone
- Call (614) 293-2229
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
OSU Internal Medicine
Columbus, Ohio
Find Dr. McGregor's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John M. McGregor is a neurosurgeon in Columbus, Ohio
Dr. McGregor practices at OSU Internal Medicine in Columbus, Ohio.
Dr. McGregor's NPI, 1992754212, was assigned on May 6, 2006. Dr. McGregor graduated from University of Iowa, RJ & L Carver College of Medicine in 1984. Dr. McGregor holds Ohio license 35053042.
- NPI
- 1992754212NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628113354
- NPI enumeration date
- May 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (614) 293-2229
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John M. McGregor practices at OSU Internal Medicine in Columbus, Ohio
Dr. McGregor's primary practice is OSU Internal Medicine, at 460 W 10th Ave, Columbus, OH 43210 in Franklin County. The practice phone is (614) 293-2229.
- OSU Internal Medicine460 W 10th Ave, Columbus, OH 43210 · Franklin CountyPhone(614) 293-2229
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John M. McGregor is affiliated with 3 sites of care and 2 medical groups
Dr. McGregor's primary practice is OSU Internal Medicine in Columbus, Ohio. Dr. McGregor is also affiliated with Ohio State University Hospital. The medical group on file is Ohio State University Physicians. Dmand AI also links Dr. McGregor to 1 more hospital and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John M. McGregor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McGregor practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSU Internal Medicine | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John M. McGregor is one of 320 neurosurgeons in Ohio
Neurological surgery is Dr. McGregor's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. McGregor is licensed in Ohio.
Specialties and state licenses
- Neurological surgery, OhioPrimary
Neurosurgeons near Dr. McGregor
Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John M. McGregor billed Medicare for 67 services in 2024
CMS data shows 67 Medicare services from Dr. McGregor across 3 procedure codes in 2024, for 83 Medicare patients. Medicare paid $40,094 for them.
Dr. McGregor's Medicare services by type, 2024
- Surgery49
- Office and hospital visits18
Where Dr. McGregor's Medicare services took place, 2024
- In an office2639%
- In a facility4161%
Dr. McGregor compared with the Ohio median for neurosurgeons, 2024
- Dr. McGregor
- Ohio median
- Medicare services
- 67vs 20667% below
- Medicare patients
- 83vs 14844% below
Medians across 273 neurosurgeons in Ohio with Dmand AI profiles that report each measure.
Dr. McGregor's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. McGregor?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McGregor and other neurosurgeons in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John M. McGregor treated 83 Medicare patients in 2024, average age 68
CMS counts 83 Medicare patients who saw Dr. McGregor in 2024. The largest group is 65 to 74, with 43 patients. 69% of them have high blood pressure, and 66% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. McGregor's median patient age at 59, with 61% women.
Dr. McGregor's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McGregor's Medicare patients by sex, 2024
- Women4352%
- Men4048%
Chronic conditions among Dr. McGregor's Medicare patients, 2024
- High blood pressure69%
- High cholesterol66%
- Cancer58%
- Arthritis54%
- Anxiety36%
- Diabetes33%
- Ischemic heart disease31%
- Mood disorders30%
Share of Medicare patients with each condition. A patient can have several.
Dr. McGregor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John M. McGregor wrote 20 Medicare Part D claims in 2024
In 2024, Dr. McGregor wrote 20 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John M. McGregor offers telehealth to Medicare patients
Dr. McGregor accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. McGregor as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John M. McGregor received $676 in industry payments from 2024 to 2025
CMS Open Payments shows 6 general payments to Dr. McGregor from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Integra LifeSciences Corporation paid the most, $275.
General payments to Dr. McGregor by program year, 2024 to 2025
Companies that paid Dr. McGregor the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John M. McGregor graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. McGregor graduated from University of Iowa, RJ & L Carver College of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John M. McGregor's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John M. McGregor
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John M. McGregor's NPI number?
Dr. John M. McGregor's NPI number is 1992754212. It was assigned on May 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John M. McGregor?
Dr. John M. McGregor is a neurosurgeon in Columbus, Ohio. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. John M. McGregor practice?
Dr. McGregor practices at 460 W 10th Ave, Columbus, OH 43210. Dr. McGregor's primary practice is OSU Internal Medicine in Columbus, Ohio. Dmand AI also links Dr. McGregor to 1 hospital and 1 medical group.
What is Dr. John M. McGregor's office phone number?
The practice phone on file for Dr. McGregor is (614) 293-2229.
What is Dr. John M. McGregor's medical license number?
Dr. McGregor holds Ohio license 35053042.
Which hospitals is Dr. John M. McGregor affiliated with?
Dr. McGregor is affiliated with Ohio State University Hospital. Dmand AI links Dr. McGregor to 1 more hospital.
What medical group is Dr. John M. McGregor part of?
Dr. McGregor is linked to Ohio State University Physicians. Dmand AI links Dr. McGregor to 1 more medical group.
Does Dr. John M. McGregor accept Medicare?
Yes. CMS data shows Dr. McGregor billed Medicare for 67 services in 2024, and Dr. McGregor accepts Medicare assignment.
Does Dr. John M. McGregor offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. McGregor as offering telehealth services.
How many Medicare patients does Dr. John M. McGregor see?
CMS counts 83 Medicare patients who saw Dr. McGregor in 2024, with an average age of 68.
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What services does Dr. John M. McGregor bill to Medicare?
In 2024, Dr. McGregor's most billed Medicare services were surgery: brain, spine and nerves (61796), office visit, established patient (99212) and surgery: brain, spine and nerves (63620).
Where did Dr. John M. McGregor go to medical school?
Dr. McGregor graduated from University of Iowa, RJ & L Carver College of Medicine in 1984.
Has Dr. John M. McGregor received payments from drug or device companies?
CMS Open Payments shows $676 in general payments to Dr. McGregor from 4 companies from 2024 to 2025. The largest total came from Integra LifeSciences Corporation.
How long has Dr. John M. McGregor been practicing?
Dr. McGregor graduated from medical school in 1984, 42 years ago.
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