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

Ryan William Clark, DO

Individual provider Pain Medicine Physician · NPI 1720499759

Ryan William Clark, DO is an Interventional Pain Management in Green Bay, Wisconsin. Graduated from Western University of Health Sciences College of Dental Med in 2013, 13 years ago. Practices with Baycare Clinic LLP, a 196-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
13
Trained at
Western University of Health Sciences College of Dental Med
Licensed in
WI
In the registry since
2014
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

2845 Greenbrier Rd
Green Bay, WI 54311-6519
Phone: (920) 288-8377
Fax: (920) 288-8385
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Pain Medicine Physician (primary) Taxonomy 208VP0014X · Licence 67188 (WI)
Pain Medicine Physician Taxonomy 208VP0000X · Licence 67188 (WI)
Physical Medicine & Rehabilitation Physician Taxonomy 208100000X · Licence 67188 (WI)

Record details

NPI number1720499759
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 13, 2014
Last updated in NPPESApril 21, 2026
Certification dateApril 21, 2026

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL PAIN MANAGEMENT
Medical schoolWESTERN UNIVERSITY OF HEALTH SCIENCES COLLEGE OF DENTAL MED
Graduated 2013 (13 years in practice)
Group practice Baycare Clinic Llp — 196 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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 patients456
Services billed 15,477 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

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.

Food and Beverage $1,214 26 payments · a meal or drink at a meeting or visit, not a fee

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.

  • Aurora Baycare Medical Ctr Hospital · Green Bay, WI
  • Aurora Medical Ctr Manitowoc County Hospital · Two Rivers, WI
  • Door County Medical Center Hospital · Sturgeon Bay, WI

Colleagues at Baycare Clinic LLP

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 196 clinicians in the practice; 12 are shown here.

Other providers in Green Bay