CreatinineDietary ProteinsDisease Progression
Dr. William A. Wilmer, MD
NPI1750380481PAC ID9638068257
- Medicare services, 2024
- 1,158
- Medicare patients, 2024
- 336
- Part D claims, 2024
- 3,991
- Publications
- 1
- Hospital affiliations
- 5
- Practice address
- 123 N Ewing St, Lancaster, OH 43130
- Practice phone
- Call (614) 823-8500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kidney Specialists
Lancaster, Ohio
Find Dr. Wilmer'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. William A. Wilmer is a nephrologist in Lancaster, Ohio
Dr. Wilmer practices at Kidney Specialists in Lancaster, Ohio.
Dr. Wilmer's NPI, 1750380481, was assigned on July 15, 2005. Dr. Wilmer graduated from University of Toledo College of Medicine in 1988. Dr. Wilmer holds Ohio license 35060681.
NPI and contact details
- NPI
- 1750380481NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638068257
- NPI enumeration date
- July 15, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (614) 823-8500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William A. Wilmer practices at Kidney Specialists in Lancaster, Ohio
Dr. Wilmer's primary practice is Kidney Specialists, at 123 N Ewing St, Lancaster, OH 43130 in Fairfield County. The practice phone is (614) 823-8500.
- Kidney Specialists123 N Ewing St, Lancaster, OH 43130 · Fairfield CountyPhone(614) 823-8500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William A. Wilmer is affiliated with 10 sites of care and 1 medical group
Dr. Wilmer's primary practice is Kidney Specialists in Lancaster, Ohio. Dr. Wilmer is also affiliated with Fairfield Medical Center. The medical group on file is Kidney Specialists. Dmand AI also links Dr. Wilmer to 4 more hospitals, 3 dialysis centers and 1 group practice or clinic, each named with a free account.
Kidney SpecialistsPrimary
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. William A. Wilmer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wilmer practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kidney Specialists | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Wilmer practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William A. Wilmer is one of 407 nephrologists in Ohio
Nephrology is Dr. Wilmer's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Wilmer is licensed in Ohio.
Specialties and state licenses
- Nephrology, OhioPrimary
Nephrologists near Dr. Wilmer
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
407nephrologists in Ohio
4nephrologists in Lancaster
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William A. Wilmer billed Medicare for 1,158 services in 2024
CMS data shows 1,158 Medicare services from Dr. Wilmer across 12 procedure codes in 2024, for 336 Medicare patients. Medicare paid $97,622 for them.
Medicare services, 20241,158
Medicare patients336
Paid by Medicare$97,622
Procedure codes12
Dr. Wilmer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8602024: 8086%
- Other services
- 2023: 02024: 193
- Tests and treatments
- 2023: 2412024: 13843%
- Lab and pathology
- 2023: 162024: 1919%
Where Dr. Wilmer's Medicare services took place, 2024
- In an office78668%
- In a facility37232%
Dr. Wilmer compared with the Ohio median for nephrologists, 2024
- Dr. Wilmer
- Ohio median
- Medicare services
- 1,158vs 79047% above
- Medicare patients
- 336vs 3079% above
- Part D claims
- 3,510vs 7674.6 times
Medians across 400 nephrologists in Ohio with Dmand AI profiles that report each measure.
Dr. Wilmer'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. Wilmer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wilmer and other nephrologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William A. Wilmer treated 336 Medicare patients in 2024, average age 74
CMS counts 336 Medicare patients who saw Dr. Wilmer in 2024. The largest group is 75 to 84, with 128 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 20% are also on Medicaid. Their average risk score is 3.08, 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. Wilmer's median patient age at 74, with 49% women.
Medicare patients, 2024336
Average age74
Average risk score3.08
Also on Medicaid20%
Dr. Wilmer's Medicare patients by age, 2024
Dr. Wilmer's Medicare patients by sex, 2024
- Women16750%
- Men16950%
Chronic conditions among Dr. Wilmer's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes58%
- Arthritis51%
- Ischemic heart disease49%
- Heart failure42%
- Atrial fibrillation37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wilmer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William A. Wilmer wrote 3,991 Medicare Part D claims in 2024
In 2024, Dr. Wilmer wrote 3,991 Medicare Part D claims for 486 patients. 92% of them were for generic drugs. CMS names the drug for 3,510 of them, across 64 drugs with 11 or more claims each, at $227,895 in total drug cost. In 2023, CMS named 3,549 claims across 65 drugs.
Part D claims, 20243,991
Drugs named by CMS64
Total drug cost$227,895
Part D patients486
Dr. Wilmer's Part D claims by kind of drug, 2024
- Generic3,675 claims92%
- Brand-name and other316 claims8%
Dr. Wilmer'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.
Drug classes CMS tracks in Dr. Wilmer's Part D claims, 2024
- Opioids1%54 of 3,991 claims
- Antibiotics3%110 of 3,991 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,5492024: 3,5101%
Drugs named by CMS: 64 in 2024, 65 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
How Dr. William A. Wilmer takes part in Medicare
Dr. Wilmer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find nephrologists like Dr. Wilmer by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. William A. Wilmer has 1 publication on record
Dmand AI links 1 paper to Dr. Wilmer in 2011. Dr. Wilmer's most frequent co-authors are Lee A. Hebert, MD, Raul Alberto Hernandez, MD and Christopher W. Valentine, MD.
Papers1
Dr. Wilmer's most frequent co-authors
- Lee A. Hebert, MD1 shared paper
- Raul Alberto Hernandez, MD1 shared paper
- Christopher W. Valentine, MD1 shared paper
Recent publications by Dr. Wilmer
See who Dr. Wilmer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wilmer works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William A. Wilmer received $441 in industry payments from 2017 to 2025
CMS Open Payments shows 36 general payments to Dr. Wilmer from 14 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 79% of the total. Calliditas Therapeutics US Inc. paid the most, $128.
General payments to Dr. Wilmer by program year, 2017 to 2025
General payments to Dr. Wilmer by kind, 2017 to 2025
$441in total
- Food and beverage$34979%
- Education$9221%
Companies that paid Dr. Wilmer the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William A. Wilmer graduated from University of Toledo College of Medicine
Dr. Wilmer graduated from University of Toledo College of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William A. Wilmer'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 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) |
| 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. William A. Wilmer
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. William A. Wilmer's NPI number?
Dr. William A. Wilmer's NPI number is 1750380481. It was assigned on July 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William A. Wilmer?
Dr. William A. Wilmer is a nephrologist in Lancaster, Ohio. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. William A. Wilmer practice?
Dr. Wilmer practices at 123 N Ewing St, Lancaster, OH 43130. Dr. Wilmer's primary practice is Kidney Specialists in Lancaster, Ohio. Dmand AI also links Dr. Wilmer to 4 hospitals, 3 dialysis centers and 1 group practice or clinic.
What is Dr. William A. Wilmer's office phone number?
The practice phone on file for Dr. Wilmer is (614) 823-8500.
What is Dr. William A. Wilmer's medical license number?
Dr. Wilmer holds Ohio license 35060681.
Which hospitals is Dr. William A. Wilmer affiliated with?
Dr. Wilmer is affiliated with Fairfield Medical Center. Dmand AI links Dr. Wilmer to 4 more hospitals.
What medical group is Dr. William A. Wilmer part of?
Dr. Wilmer is linked to Kidney Specialists.
Does Dr. William A. Wilmer accept Medicare?
Yes. CMS data shows Dr. Wilmer billed Medicare for 1,158 services in 2024, and Dr. Wilmer accepts Medicare assignment.
How many Medicare patients does Dr. William A. Wilmer see?
CMS counts 336 Medicare patients who saw Dr. Wilmer in 2024, with an average age of 74.
What services does Dr. William A. Wilmer bill to Medicare?
In 2024, Dr. Wilmer's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and hospital inpatient care (99232).
Show 6 more questionsShow fewer questions
Where did Dr. William A. Wilmer go to medical school?
Dr. Wilmer graduated from University of Toledo College of Medicine in 1988.
What drugs does Dr. William A. Wilmer prescribe most?
In 2024 Medicare Part D data, Dr. Wilmer's most prescribed drugs by claims were Furosemide, Calcitriol and Spironolactone.
Has Dr. William A. Wilmer received payments from drug or device companies?
CMS Open Payments shows $441 in general payments to Dr. Wilmer from 14 companies from 2017 to 2025. The largest total came from Calliditas Therapeutics US Inc.
How long has Dr. William A. Wilmer been practicing?
Dr. Wilmer graduated from medical school in 1988, 38 years ago.
Does Dr. William A. Wilmer do research?
Dmand AI links 1 publication to Dr. Wilmer.
Who does Dr. William A. Wilmer publish with?
Dr. Wilmer's most frequent co-authors are Lee A. Hebert, MD (1 shared paper), Raul Alberto Hernandez, MD (1 shared paper) and Christopher W. Valentine, MD (1 shared paper).
Selling to nephrology practices?
See nephrologists 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