Dr. Geoffrey O. Ouma, DO
- Medicare services, 2024
- 831
- Medicare patients, 2024
- 667
- Part D claims, 2024
- 557
- Publications
- 9
- Hospital affiliations
- 5
- 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. Ouma'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. Geoffrey O. Ouma is a cardiologist in Cleveland, Ohio
Dr. Ouma practices at Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation.
Dr. Ouma's NPI, 1386845006, was assigned on May 30, 2007. Dr. Ouma graduated from Lake Erie College of Osteopathic Medicine, Erie in 2003. Dr. Ouma holds Ohio license 34014209.
- NPI
- 1386845006NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133229586
- NPI enumeration date
- May 30, 2007
- 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
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Geoffrey O. Ouma practices at Cleveland Clinic Main Campus in Cleveland, Ohio
Dr. Ouma'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. Geoffrey O. Ouma is affiliated with 7 sites of care and 1 medical group
Dr. Ouma's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dr. Ouma is also affiliated with Cleveland Clinic Akron General. The medical group on file is Cleveland Clinic. Dmand AI also links Dr. Ouma to 3 more hospitals and 2 clinical labs, each named with a free account. Dr. Ouma'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. Geoffrey O. Ouma's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ouma practices, 7 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 |
| +6 more affiliated sites | 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 The Cleveland Clinic Foundation and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Geoffrey O. Ouma is one of 945 cardiologists in Ohio
Cardiovascular disease is Dr. Ouma's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Ouma is licensed in Ohio.
Specialties and state licenses
- Cardiovascular disease, OhioPrimary
Cardiologists near Dr. Ouma
Counts of cardiologists 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. Geoffrey O. Ouma billed Medicare for 831 services in 2024
CMS data shows 831 Medicare services from Dr. Ouma across 16 procedure codes in 2024, for 667 Medicare patients. Medicare paid $36,766 for them.
Dr. Ouma's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 4082024: 50925%
- Office and hospital visits
- 2023: 3062024: 3225%
Where Dr. Ouma's Medicare services took place, 2024
- In an office14217%
- In a facility68983%
Dr. Ouma compared with the Ohio median for cardiologists, 2024
- Dr. Ouma
- Ohio median
- Medicare services
- 831vs 1,43442% below
- Medicare patients
- 667vs 82119% below
- Part D claims
- 500vs 1,32062% below
Medians across 942 cardiologists in Ohio with Dmand AI profiles that report each measure.
Dr. Ouma'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. Ouma?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ouma and other cardiologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Geoffrey O. Ouma treated 667 Medicare patients in 2024, average age 73
CMS counts 667 Medicare patients who saw Dr. Ouma in 2024. The largest group is 65 to 74, with 306 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 2.34, 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. Ouma's median patient age at 64, with 51% women.
Dr. Ouma's Medicare patients by age, 2024
Dr. Ouma's Medicare patients by sex, 2024
- Women33550%
- Men33250%
Chronic conditions among Dr. Ouma's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease53%
- Chronic kidney disease49%
- Heart failure45%
- Diabetes43%
- Atrial fibrillation39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ouma's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Geoffrey O. Ouma wrote 557 Medicare Part D claims in 2024
In 2024, Dr. Ouma wrote 557 Medicare Part D claims for 143 patients. 35% of them were for generic drugs. CMS names the drug for 500 of them, across 7 drugs with 11 or more claims each, at $291,489 in total drug cost. In 2023, CMS named 433 claims across 7 drugs.
Dr. Ouma's Part D claims by kind of drug, 2024
- Generic194 claims35%
- Brand-name363 claims65%
Dr. Ouma'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: 4332024: 50015%
Drugs named by CMS: 7 in 2024, 7 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. Geoffrey O. Ouma offers telehealth to Medicare patients
Dr. Ouma accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ouma as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Geoffrey O. Ouma has 9 publications on record
Dmand AI links 9 papers to Dr. Ouma, published from 2012 to 2024. 2012 was the busiest year, with 2. The most frequent topics are Anticoagulants, Genetic Therapy and Stem Cell Transplantation. Dr. Ouma has published most often in Vasc Med. Dr. Ouma's most frequent co-authors are Thenappan M. Chandrasekar, MD, Pulkit Chaudhury and Ayman Elbadawi.
Dr. Ouma's papers by year, 2012 to 2024
Topics Dr. Ouma writes about most
- Anticoagulants
- Genetic Therapy
- Stem Cell Transplantation
Dr. Ouma's most frequent co-authors
- Thenappan M. Chandrasekar, MD1 shared paper
- Pulkit Chaudhury1 shared paper
- Ayman Elbadawi1 shared paper
Recent publications by Dr. Ouma
J Racial Ethn Health Disparities
See who Dr. Ouma researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ouma works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Geoffrey O. Ouma received $532 in industry payments from 2016 to 2024
CMS Open Payments shows 12 general payments to Dr. Ouma from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $205.
General payments to Dr. Ouma by program year, 2016 to 2024
Companies that paid Dr. Ouma the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Geoffrey O. Ouma graduated from Lake Erie College of Osteopathic Medicine, Erie
Dr. Ouma graduated from Lake Erie College of Osteopathic Medicine, Erie in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Geoffrey O. Ouma'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Geoffrey O. Ouma
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. Geoffrey O. Ouma's NPI number?
Dr. Geoffrey O. Ouma's NPI number is 1386845006. It was assigned on May 30, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Geoffrey O. Ouma?
Dr. Geoffrey O. Ouma is a cardiologist in Cleveland, Ohio. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Geoffrey O. Ouma practice?
Dr. Ouma practices at 9500 Euclid Avenue, Cleveland, OH 44195. Dr. Ouma's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Ouma to 3 hospitals and 2 clinical labs.
What is Dr. Geoffrey O. Ouma's office phone number?
The practice phone on file for Dr. Ouma is (216) 952-9829.
What is Dr. Geoffrey O. Ouma's medical license number?
Dr. Ouma holds Ohio license 34014209.
Which hospitals is Dr. Geoffrey O. Ouma affiliated with?
Dr. Ouma practices at Cleveland Clinic Main Campus in Cleveland, Ohio. Dr. Ouma is also affiliated with Cleveland Clinic Akron General. Dmand AI links Dr. Ouma to 3 more hospitals.
What medical group is Dr. Geoffrey O. Ouma part of?
Dr. Ouma is linked to Cleveland Clinic.
Does Dr. Geoffrey O. Ouma accept Medicare?
Yes. CMS data shows Dr. Ouma billed Medicare for 831 services in 2024, and Dr. Ouma accepts Medicare assignment.
Does Dr. Geoffrey O. Ouma offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ouma as offering telehealth services.
How many Medicare patients does Dr. Geoffrey O. Ouma see?
CMS counts 667 Medicare patients who saw Dr. Ouma in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Geoffrey O. Ouma bill to Medicare?
In 2024, Dr. Ouma's most billed Medicare services were blood vessel study (93970), office visit, established patient (99214) and blood vessel study (93880).
Where did Dr. Geoffrey O. Ouma go to medical school?
Dr. Ouma graduated from Lake Erie College of Osteopathic Medicine, Erie in 2003.
What drugs does Dr. Geoffrey O. Ouma prescribe most?
In 2024 Medicare Part D data, Dr. Ouma's most prescribed drugs by claims were Eliquis, Xarelto and Atorvastatin Calcium.
Has Dr. Geoffrey O. Ouma received payments from drug or device companies?
CMS Open Payments shows $532 in general payments to Dr. Ouma from 6 companies from 2016 to 2024. The largest total came from Smith & Nephew, Inc.
How long has Dr. Geoffrey O. Ouma been practicing?
Dr. Ouma graduated from medical school in 2003, 23 years ago.
Does Dr. Geoffrey O. Ouma do research?
Dmand AI links 9 publications to Dr. Ouma, published from 2012 to 2024.
Who does Dr. Geoffrey O. Ouma publish with?
Dr. Ouma's most frequent co-authors are Thenappan M. Chandrasekar, MD (1 shared paper), Pulkit Chaudhury (1 shared paper) and Ayman Elbadawi (1 shared paper).
Selling to cardiovascular disease practices?
See cardiologists in Ohio by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card