Ryan William Clark, D.O.
Interventional Pain Medicine Physician · Green Bay, WI
Ryan William Clark, D.O. is an interventional pain medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1720499759, issued on May 13, 2014. Check the license (Wisconsin 67188, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ryan William Clark
- Credential
- D.O.
- Primary taxonomy
- Interventional Pain Medicine Physician 208VP0014X
- License number
- 67188 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2845 Greenbrier RD, Green Bay, WI 54311
- Phone
- (920) 288-8377
- Enumerated
- May 13, 2014
- Record last updated
- Apr 21, 2026
- Fax
- (920) 288-8385
- Medicaid ID
- 100068648 WI
- Medicare enrollment
- Enrolled (PECOS I20180911000823); accepts Medicare assignment
- Medical or professional school
- Western University Of Health Sciences College Of Dental Med, 2013
- Entity
- Type 1 · individual
8 nearest interventional pain medicine physician records → All 44 in Wisconsin → Look up another NPI →
Also registered at 2845 Greenbrier RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jade Abts, NPNurse Practitioner1992293708
- Ian AdamsonCertified Registered Nurse Anesthetist1184981532
- Kerry Ahrens, M.D.Emergency Medicine Physician1639497621
- Andrea Akpoguma, M.D.Hospitalist Physician1508091117
- Kirsten Akpoguma, CRNACertified Registered Nurse Anesthetist1417601725
- Valerie Albers, A.P.N.P.Nurse Practitioner1396015830
Verify Ryan William Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 67188Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average interventional pain medicine physician in 2024
1,561 Medicare Part D claims for 543 beneficiaries, against an average of 2,306 among the 2,100 providers of this specialty who prescribed in Part D. Brand-name drugs were under 1% of claims. 235 claims were for opioids.
Most prescribed
- Gabapentin469 claims
- Duloxetine Hcl427 claims
- Hydrocodone-Acetaminophen174 claims
- Tizanidine Hcl99 claims
- Pregabalin54 claims
- Cyclobenzaprine Hcl40 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,659.90
35 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 1,966 providers of this specialty with any payment received $3,889.53 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Baycare Clinic LLPGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan William Clark among 44 interventional pain medicine physician records in Wisconsin
Ryan William Clark, D.O. is one of 44 interventional pain medicine physician records with a practice address in Wisconsin. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 82% of them.
- NPI issued2014 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2013 · median 1999 among the 38 with a school on file
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0014X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Pain Medicine Physician providers in Wisconsin
There are 44 interventional pain medicine physician records in Wisconsin.
All 44 in Wisconsin → Every provider in Green Bay → Interventional Pain Medicine Physician nationwide →
The 8 interventional pain medicine physician records with the nearest ZIP codes
- Ahmet Dervish, MDGreen Bay, WI 543111104854462
- Adam Haggerty, D.O.Green Bay, WI 543111043741507
- Christopher Howson, M.D.Green Bay, WI 543111508129826
- Amy Yeatman, D.O.Green Bay, WI 543011700869468
- Katherine Liao, MDNiagara, WI 541511275505190
- Chandur Piryani, MDNiagara, WI 541511811969066
- Vijay Singh, MDNiagara, WI 541511609847896
- Hind Gautam, MDDe Pere, WI 541151316950504
Common questions
What is Ryan William Clark, D.O.'s NPI number?
Ryan William Clark, D.O.'s National Provider Identifier (NPI) is 1720499759, issued on May 13, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Ryan William Clark, D.O. located?
The NPPES record lists a practice address at 2845 Greenbrier RD, Green Bay, WI, 54311. Phone: (920) 288-8377. Providers update this record themselves, so call before visiting.
How can I verify Ryan William Clark, D.O.'s license?
NPPES lists Wisconsin license number 67188, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan William Clark, D.O. prescribe under Medicare Part D?
In 2024, Ryan William Clark, D.O. had 1,561 Medicare Part D claims for 543 beneficiaries; the average among interventional pain medicine physician prescribers was 2,306. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.