Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. William Daniel Chapman, DO

Individual provider Neurology Physician · NPI 1184129512

Dr. William Daniel Chapman, DO practises Neurology in Cincinnati, Ohio. Graduated from Oklahoma State University College of Osteopathic Medicine in 2018, 8 years ago. Practices with University of Cincinnati Physicians Company LLC, a 1,476-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Ohio and Oregon.

Years since qualifying
8
Trained at
Oklahoma State University College of Osteopathic Medicine
Licensed in
OH, OR
In the registry since
2018
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

3113 Bellevue Ave
Cincinnati, OH 45229
Phone: (513) 475-8730
Fax: (513) 475-8033
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 234 Goodman St, Cincinnati, OH 45219-2364 — (513) 558-2968
  • 3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011 — (503) 494-7772

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 34.016298 (OH)
Neurology Physician Taxonomy 2084N0400X · Licence DO208115 (OR)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1184129512
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 27, 2018
Last updated in NPPESMay 16, 2023
Certification dateMay 16, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROLOGY
Medical schoolOKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2018 (8 years in practice)
Group practice University Of Cincinnati Physicians Company Llc — 1476 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients110
Services billed 313 a service is one billed item, such as a visit, a test or a procedure
Average patient age64

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Compensation for services other than consulting , including serving as faculty or as a speaker at a venue other than a continuing education program $27,623 11 payments
Consulting Fee $8,827 7 payments
Food and Beverage $2,543 56 payments · a meal or drink at a meeting or visit, not a fee
Travel and Lodging $1,977 8 payments · travel or lodging paid or reimbursed, such as to attend a conference

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at University of Cincinnati Physicians Company LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1476 clinicians in the practice; 12 are shown here.

Other providers in Cincinnati