Dr. Mark E. Mayer, MD
- Medicare services, 2024
- 65
- Medicare patients, 2024
- 83
- Part D claims, 2024
- 127
- Hospital affiliations
- 4
- Industry payments
- $117
- Practice address
- 9500 Euclid Avenue, Cleveland, OH 44195
- Practice phone
- Call (216) 952-9829
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mayer's professional email, personal email and mobile number
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Dr. Mark E. Mayer is an internist in Cleveland, Ohio
Dr. Mayer practices at Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation.
Dr. Mayer's NPI, 1851329213, was assigned on June 28, 2006. Dr. Mayer holds Ohio license 35061773M.
- NPI
- 1851329213NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567461817
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (216) 952-9829
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark E. Mayer practices at Cleveland Clinic Main Campus in Cleveland, Ohio
Dr. Mayer's primary practice is Cleveland Clinic Main Campus, at 9500 Euclid Avenue, Cleveland, OH 44195 in Cuyahoga County. The practice phone is (216) 952-9829.
- Cleveland Clinic Main Campus9500 Euclid Avenue, Cleveland, OH 44195 · Cuyahoga CountyPhone(216) 952-9829
Source: Dmand AI Affiliation Data
Dr. Mark E. Mayer is affiliated with 6 sites of care and 1 medical group
Dr. Mayer's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dr. Mayer is also affiliated with Hillcrest Hospital. The medical group on file is Cleveland Clinic. Dmand AI also links Dr. Mayer to 2 more hospitals and 2 clinical labs, each named with a free account. Dr. Mayer's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark E. Mayer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mayer practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cleveland Clinic Main Campus | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark E. Mayer is one of 4,708 internists in Ohio
Internal medicine is Dr. Mayer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mayer is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Mayer
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. Mark E. Mayer billed Medicare for 65 services in 2024
CMS data shows 65 Medicare services from Dr. Mayer across 2 procedure codes in 2024, all of them office visits, for 83 Medicare patients. Medicare paid $4,121 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mayer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 992024: 6534%
Dr. Mayer compared with the Ohio median for internists, 2024
- Dr. Mayer
- Ohio median
- Medicare services
- 65vs 48787% below
- Medicare patients
- 83vs 19257% below
- Part D claims
- 66vs 29478% below
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Mayer'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark E. Mayer treated 83 Medicare patients in 2024, average age 72
CMS counts 83 Medicare patients who saw Dr. Mayer in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.49, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mayer's median patient age at 58, with 58% women.
Dr. Mayer's Medicare patients by age, 2024
Dr. Mayer's Medicare patients by sex, 2024
- Women4959%
- Men3441%
Chronic conditions among Dr. Mayer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease47%
- Arthritis39%
- Diabetes39%
- Ischemic heart disease33%
- Heart failure28%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mayer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark E. Mayer wrote 127 Medicare Part D claims in 2024
In 2024, Dr. Mayer wrote 127 Medicare Part D claims for 16 patients. 95% of them were for generic drugs. CMS names the drug for 66 of them, across 4 drugs with 11 or more claims each, at $1,240 in total drug cost. In 2023, CMS named 83 claims across 5 drugs.
Dr. Mayer's Part D claims by kind of drug, 2024
- Generic121 claims95%
- Brand-name and other6 claims5%
Dr. Mayer's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 832024: 6620%
Drugs named by CMS: 4 in 2024, 5 in 2023.
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. Mark E. Mayer offers telehealth to Medicare patients
Dr. Mayer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mayer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark E. Mayer received $117 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Mayer from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $117.
Companies that paid Dr. Mayer the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark E. Mayer'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Mark E. Mayer
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. Mark E. Mayer's NPI number?
Dr. Mark E. Mayer's NPI number is 1851329213. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark E. Mayer?
Dr. Mark E. Mayer is an internist in Cleveland, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark E. Mayer practice?
Dr. Mayer practices at 9500 Euclid Avenue, Cleveland, OH 44195. Dr. Mayer's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Mayer to 2 hospitals and 2 clinical labs.
What is Dr. Mark E. Mayer's office phone number?
The practice phone on file for Dr. Mayer is (216) 952-9829.
What is Dr. Mark E. Mayer's medical license number?
Dr. Mayer holds Ohio license 35061773M.
Which hospitals is Dr. Mark E. Mayer affiliated with?
Dr. Mayer practices at Cleveland Clinic Main Campus in Cleveland, Ohio. Dr. Mayer is also affiliated with Hillcrest Hospital. Dmand AI links Dr. Mayer to 2 more hospitals.
What medical group is Dr. Mark E. Mayer part of?
Dr. Mayer is linked to Cleveland Clinic.
Does Dr. Mark E. Mayer accept Medicare?
Yes. CMS data shows Dr. Mayer billed Medicare for 65 services in 2024, and Dr. Mayer accepts Medicare assignment.
Does Dr. Mark E. Mayer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mayer as offering telehealth services.
How many Medicare patients does Dr. Mark E. Mayer see?
CMS counts 83 Medicare patients who saw Dr. Mayer in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Dr. Mark E. Mayer bill to Medicare?
In 2024, Dr. Mayer's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
What drugs does Dr. Mark E. Mayer prescribe most?
In 2024 Medicare Part D data, Dr. Mayer's most prescribed drugs by claims were Venlafaxine HCl ER, Amlodipine Besylate and Mirtazapine.
Has Dr. Mark E. Mayer received payments from drug or device companies?
CMS Open Payments shows $117 in general payments to Dr. Mayer from 1 company from 2023 to 2023. The largest total came from Boston Scientific Corporation.
How long has Dr. Mark E. Mayer been practicing?
Dr. Mayer graduated from medical school in 1982, 44 years ago.
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