Dr. William W. Ellis, MD
- Medicare services, 2022
- 2,204
- Part D claims, 2024
- 67
- Hospital affiliations
- 1
- Industry payments
- $8,365
- State license
- 1
- Practice address
- 800 West Main Street, Coldwater, OH 45828
- Practice phone
- Call (419) 678-4843
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ellis' professional email, personal email and mobile number
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Dr. William W. Ellis is a cardiologist in Coldwater, Ohio
Dr. Ellis practices at Mercer County Community Hospital in Coldwater, Ohio, part of Mercer Health.
Dr. Ellis' NPI, 1073515300, was assigned on May 31, 2005. Dr. Ellis graduated from Vanderbilt University School of Medicine in 1983. Dr. Ellis holds Georgia license 015666.
- NPI
- 1073515300NPI Registry (opens in a new tab)
- NPI enumeration date
- May 31, 2005
- NPI status
- Active
- Practice phone
- (419) 678-4843
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. William W. Ellis practices at Mercer County Community Hospital in Coldwater, Ohio
Dr. Ellis' primary practice is Mercer County Community Hospital, at 800 West Main Street, Coldwater, OH 45828 in Mercer County. The practice phone is (419) 678-4843.
- Mercer County Community Hospital800 West Main Street, Coldwater, OH 45828 · Mercer CountyPhone(419) 678-4843
Source: Dmand AI Affiliation Data
Dr. William W. Ellis is affiliated with 1 site of care
Dr. Ellis' primary practice is Mercer County Community Hospital in Coldwater, Ohio, part of Mercer Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William W. Ellis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ellis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercer County Community Hospital | 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 Mercer Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William W. Ellis is one of 945 cardiologists in Ohio
Cardiovascular disease is Dr. Ellis' primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Ellis is licensed in Georgia.
Specialties and state licenses
- Cardiovascular disease, GeorgiaPrimary
Cardiologists near Dr. Ellis
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. William W. Ellis billed Medicare for 2,204 services in 2022
CMS data shows 2,204 Medicare services from Dr. Ellis across 15 procedure codes in 2022. Medicare paid $103,431 for them.
Dr. Ellis' Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 1,5862022: 1,18225%
- Office and hospital visits
- 2021: 1,2222022: 93723%
- Surgery
- 2021: 772022: 6516%
- Other services
- 2021: 232022: 2013%
- Lab and pathology
- 2021: 1632022: 0100%
Where Dr. Ellis' Medicare services took place, 2022
- In an office1,51769%
- In a facility68731%
Dr. Ellis compared with the Ohio median for cardiologists, 2022
- Dr. Ellis
- Ohio median
- Medicare services
- 2,204vs 1,43454% above
- Part D claims
- 2,117vs 1,32060% above
Medians across 942 cardiologists in Ohio with Dmand AI profiles that report each measure.
Dr. Ellis' most billed Medicare procedure codes, 2022
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. Ellis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ellis and other cardiologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William W. Ellis' patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Ellis' median patient age at 73, with 51% women.
Dr. Ellis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. William W. Ellis wrote 67 Medicare Part D claims in 2024
In 2024, Dr. Ellis wrote 67 Medicare Part D claims for 38 patients. 70% of them were for generic drugs. They cover 31 drugs, with $434,435 in total drug cost. In 2022, CMS named 5,557 claims across 46 drugs.
Dr. Ellis' Part D claims by kind of drug, 2024
- Generic47 claims70%
- Brand-name20 claims30%
Dr. Ellis' 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 5,5572023: 2,11762%
Drugs named by CMS: 31 in 2023, 46 in 2022.
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
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Dr. William W. Ellis received $8,365 in industry payments from 2016 to 2025
CMS Open Payments shows 406 general payments to Dr. Ellis from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 81% of the total. Penumbra, Inc. paid the most, $1,688.
General payments to Dr. Ellis by program year, 2016 to 2025
General payments to Dr. Ellis by kind, 2016 to 2025
- Food and beverage$6,75681%
- Travel and lodging$1,25915%
- Education$3514%
Companies that paid Dr. Ellis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William W. Ellis graduated from Vanderbilt University School of Medicine
Dr. Ellis graduated from Vanderbilt University School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William W. Ellis'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 Data |
| 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) |
| 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. William W. Ellis
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What is Dr. William W. Ellis' NPI number?
Dr. William W. Ellis' NPI number is 1073515300. It was assigned on May 31, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William W. Ellis?
Dr. William W. Ellis is a cardiologist in Coldwater, Ohio. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. William W. Ellis practice?
Dr. Ellis practices at 800 West Main Street, Coldwater, OH 45828. Dr. Ellis' primary practice is Mercer County Community Hospital in Coldwater, Ohio, part of Mercer Health.
What is Dr. William W. Ellis' office phone number?
The practice phone on file for Dr. Ellis is (419) 678-4843.
What is Dr. William W. Ellis' medical license number?
Dr. Ellis holds Georgia license 015666.
Which hospitals is Dr. William W. Ellis affiliated with?
Dr. Ellis practices at Mercer County Community Hospital in Coldwater, Ohio.
Does Dr. William W. Ellis accept Medicare?
Yes. CMS data shows Dr. Ellis billed Medicare for 2,204 services in 2022.
What services does Dr. William W. Ellis bill to Medicare?
In 2022, Dr. Ellis' most billed Medicare services were office visit, established patient (99214), heart test or procedure (93010) and heart test or procedure (93000).
Where did Dr. William W. Ellis go to medical school?
Dr. Ellis graduated from Vanderbilt University School of Medicine in 1983.
What drugs does Dr. William W. Ellis prescribe most?
In 2023 Medicare Part D data, Dr. Ellis' most prescribed drugs by claims were Eliquis, Metoprolol Succinate and Rosuvastatin Calcium.
Has Dr. William W. Ellis received payments from drug or device companies?
CMS Open Payments shows $8,365 in general payments to Dr. Ellis from 36 companies from 2016 to 2025. The largest total came from Penumbra, Inc.
How long has Dr. William W. Ellis been practicing?
Dr. Ellis graduated from medical school in 1983, 43 years ago.
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