William Yaw Cedric Ansa Otu, M.D
Hospitalist Physician · Green Bay, WI
William Yaw Cedric Ansa Otu, M.D is a hospitalist physician with a practice address in Green Bay, Wisconsin, and NPI 1346564168, issued on Mar 23, 2010. Check the license (Wisconsin 54003-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William Yaw Cedric Ansa Otu
- Credential
- M.D
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 54003-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2845 Greenbrier RD, Green Bay, WI 54311
- Phone
- (920) 288-8100
- Enumerated
- Mar 23, 2010
- Record last updated
- Aug 9, 2023
- Medicare enrollment
- Enrolled (PECOS I20101022001131); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 894 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 William Yaw Cedric Ansa Otu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 54003-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average hospitalist physician in 2024
603 Medicare Part D claims for 140 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 15 claims were for opioids.
Most prescribed
- Amlodipine Besylate48 claims
- Atorvastatin Calcium42 claims
- Furosemide37 claims
- Losartan Potassium35 claims
- Metoprolol Tartrate22 claims
- Rosuvastatin Calcium21 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.
Bills Medicare through 4 group practices
- Ascension Medical Group-Fox Valley Wisconsin IncAppleton, WI
- Aspirus Riverview Hospital And Clinics IncWisconsin Rapids, WI
- Aspirus Wausau Hospital IncWausau, WI
- St Vincent Hospital-Hospital Sisters-Third Order OF St FrancisGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Yaw Cedric Ansa Otu among 894 hospitalist physician records in Wisconsin
William Yaw Cedric Ansa Otu, M.D is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 34% of them.
- NPI issued2010 · 34% of these records are older, 62% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated1999 · median 2011 among the 768 with a school on file
- Record last updated2023 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 hospitalist physician records list a practice address in Green Bay
They are 53 of the 4,619 NPPES records with a practice address in Green Bay, and 894 hospitalist physician records in Wisconsin.
All 894 in Wisconsin → Every provider in Green Bay → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Andrea Akpoguma, M.D.Green Bay, WI 543111508091117
- Dovile Baniulis, M.D.Green Bay, WI 543111609118033
- Claire Berken, M.DGreen Bay, WI 543111801112982
- Ravi Chander, M.D.Green Bay, WI 543111902216492
- Bradley Fedderly, MDGreen Bay, WI 543111013926682
- Brian Johnson, MDGreen Bay, WI 543111851408371
- Arnel Magno, MDGreen Bay, WI 543111457580250
- Olatunji Oladeji, MB;BSGreen Bay, WI 543111689985350
Common questions
What is William Yaw Cedric Ansa Otu, M.D's NPI number?
William Yaw Cedric Ansa Otu, M.D's National Provider Identifier (NPI) is 1346564168, issued on Mar 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is William Yaw Cedric Ansa Otu, M.D located?
The NPPES record lists a practice address at 2845 Greenbrier RD, Green Bay, WI, 54311. Phone: (920) 288-8100. Providers update this record themselves, so call before visiting.
How can I verify William Yaw Cedric Ansa Otu, M.D's license?
NPPES lists Wisconsin license number 54003-020, 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 William Yaw Cedric Ansa Otu, M.D prescribe under Medicare Part D?
In 2024, William Yaw Cedric Ansa Otu, M.D had 603 Medicare Part D claims for 140 beneficiaries; the average among hospitalist physician prescribers was 521. 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.