Dr. Brian Harmeyer, DO
- Medicare services, 2024
- 94
- Medicare patients, 2024
- 118
- Part D claims, 2024
- 16
- MIPS score, 2024
- 87
- Hospital affiliations
- 4
- Practice address
- 500 South Cleveland Avenue, Westerville, OH 43081
- Practice phone
- Call (614) 546-4034
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Harmeyer'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. Brian Harmeyer is an internist in Westerville, Ohio
Dr. Harmeyer practices at Mount Carmel St. Ann's in Westerville, Ohio, part of Trinity Health.
Dr. Harmeyer's NPI, 1134580012, was assigned on March 18, 2016. Dr. Harmeyer graduated from Lake Erie College of Osteopathic Medicine, Erie in 2016. Dr. Harmeyer holds Ohio license 34.013527.
- NPI
- 1134580012NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587932272
- NPI enumeration date
- March 18, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (614) 546-4034
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian Harmeyer practices at Mount Carmel St. Ann's in Westerville, Ohio
Dr. Harmeyer's primary practice is Mount Carmel St. Ann's, at 500 South Cleveland Avenue, Westerville, OH 43081 in Franklin County. The practice phone is (614) 546-4034.
- Mount Carmel St. Ann's500 South Cleveland Avenue, Westerville, OH 43081 · Franklin CountyPhone(614) 546-4034
Source: Dmand AI Affiliation Data
Dr. Brian Harmeyer is affiliated with 7 sites of care and 3 medical groups
Dr. Harmeyer's primary practice is Mount Carmel St. Ann's in Westerville, Ohio, part of Trinity Health. Dr. Harmeyer is also affiliated with Mount Carmel East. The medical group on file is OhioHealth Physician Group. Dmand AI also links Dr. Harmeyer to 2 more hospitals, 2 hospital outpatient departments, 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian Harmeyer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harmeyer practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Carmel St. Ann's | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Brian Harmeyer is one of 4,708 internists in Ohio
Internal medicine is Dr. Harmeyer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Harmeyer's licenses on file in 2 states: Ohio and Florida.
Specialties and state licenses
- Internal medicine, OhioPrimary
- Student in an organized health care education/training program, Florida
Internists near Dr. Harmeyer
Counts of internists 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. Brian Harmeyer billed Medicare for 94 services in 2024
CMS data shows 94 Medicare services from Dr. Harmeyer across 2 procedure codes in 2024, for 118 Medicare patients. Medicare paid $11,974 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Harmeyer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1802024: 9448%
Dr. Harmeyer compared with the Ohio median for internists, 2024
- Dr. Harmeyer
- Ohio median
- Medicare services
- 94vs 48781% below
- Medicare patients
- 118vs 19239% below
- Part D claims
- 13vs 29496% below
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Harmeyer'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Harmeyer and other internists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian Harmeyer treated 118 Medicare patients in 2024, average age 78
CMS counts 118 Medicare patients who saw Dr. Harmeyer in 2024. The largest group is 75 to 84, with 44 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.62, 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. Harmeyer's median patient age at 75, with 56% women.
Dr. Harmeyer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Harmeyer's Medicare patients by sex, 2024
- Women5950%
- Men5950%
Chronic conditions among Dr. Harmeyer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Mood disorders43%
- Ischemic heart disease42%
- Anxiety41%
- Chronic kidney disease41%
- Depression40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Harmeyer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women56%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian Harmeyer wrote 16 Medicare Part D claims in 2024
In 2024, Dr. Harmeyer wrote 16 Medicare Part D claims. 88% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $29 in total drug cost. In 2021, CMS named 26 claims across 2 drugs.
Dr. Harmeyer's Part D claims by kind of drug, 2024
- Generic14 claims88%
- Brand-name and other2 claims13%
Dr. Harmeyer's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2023
- 2021
- 2023
- Claims for drugs CMS names
- 2021: 262023: 1350%
Drugs named by CMS: 1 in 2023, 2 in 2021.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Brian Harmeyer scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Harmeyer for performance year 2024, reported as part of a group. Dr. Harmeyer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Harmeyer's MIPS scores, performance year 2024
- 87of 100Final score
- 85.5of 100Quality
- 40of 100Improvement Activities
- 83of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Brian Harmeyer received $134 in industry payments from 2016 to 2019
CMS Open Payments shows 3 general payments to Dr. Harmeyer from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $105.
General payments to Dr. Harmeyer by program year, 2016 to 2019
Companies that paid Dr. Harmeyer the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian Harmeyer graduated from Lake Erie College of Osteopathic Medicine, Erie
Dr. Harmeyer graduated from Lake Erie College of Osteopathic Medicine, Erie in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian Harmeyer'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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 and Drug (CMS) (opens in a new tab)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)Clinician Public Reporting: Overall MIPS Performance (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. Brian Harmeyer
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. Brian Harmeyer's NPI number?
Dr. Brian Harmeyer's NPI number is 1134580012. It was assigned on March 18, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian Harmeyer?
Dr. Brian Harmeyer is an internist in Westerville, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Brian Harmeyer practice?
Dr. Harmeyer practices at 500 South Cleveland Avenue, Westerville, OH 43081. Dr. Harmeyer's primary practice is Mount Carmel St. Ann's in Westerville, Ohio, part of Trinity Health. Dmand AI also links Dr. Harmeyer to 2 hospitals, 2 hospital outpatient departments, 2 medical groups and 1 group practice or clinic.
What is Dr. Brian Harmeyer's office phone number?
The practice phone on file for Dr. Harmeyer is (614) 546-4034.
What is Dr. Brian Harmeyer's medical license number?
Dr. Harmeyer holds Ohio license 34.013527, one of the licenses on file in 2 states.
Which states has Dr. Brian Harmeyer been licensed in?
Dmand AI has state licenses on file for Dr. Harmeyer in Ohio and Florida.
Which hospitals is Dr. Brian Harmeyer affiliated with?
Dr. Harmeyer practices at Mount Carmel St. Ann's in Westerville, Ohio. Dr. Harmeyer is also affiliated with Mount Carmel East. Dmand AI links Dr. Harmeyer to 2 more hospitals.
What medical group is Dr. Brian Harmeyer part of?
Dr. Harmeyer is linked to OhioHealth Physician Group. Dmand AI links Dr. Harmeyer to 2 more medical groups.
Does Dr. Brian Harmeyer accept Medicare?
Yes. CMS data shows Dr. Harmeyer billed Medicare for 94 services in 2024, and Dr. Harmeyer accepts Medicare assignment.
What is Dr. Brian Harmeyer's MIPS score?
Dr. Harmeyer's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Brian Harmeyer see?
CMS counts 118 Medicare patients who saw Dr. Harmeyer in 2024, with an average age of 78.
What services does Dr. Brian Harmeyer bill to Medicare?
In 2024, Dr. Harmeyer's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99222).
Where did Dr. Brian Harmeyer go to medical school?
Dr. Harmeyer graduated from Lake Erie College of Osteopathic Medicine, Erie in 2016.
What drugs does Dr. Brian Harmeyer prescribe most?
In 2023 Medicare Part D data, Dr. Harmeyer's most prescribed drugs by claims were Furosemide.
Has Dr. Brian Harmeyer received payments from drug or device companies?
CMS Open Payments shows $134 in general payments to Dr. Harmeyer from 3 companies from 2016 to 2019. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Brian Harmeyer been practicing?
Dr. Harmeyer graduated from medical school in 2016, 10 years ago.
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