Ruby Mengwen Wu, D.O.
Hospitalist Physician · Des Moines, IA
Ruby Mengwen Wu, D.O. is a hospitalist physician with a practice address in Des Moines, Iowa, and NPI 1457608275, issued on Aug 10, 2012. Check the license (Iowa DO-04876, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Ruby Mengwen Wu
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- DO-04876 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1111 6TH Ave, Des Moines, IA 50314
- Phone
- (515) 247-4240
- Enumerated
- Aug 10, 2012
- Record last updated
- Feb 21, 2022
- Fax
- (515) 247-4239
- Medicare enrollment
- Enrolled (PECOS I20160826000350); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 302 in Iowa → Look up another NPI →
Also registered at 1111 6TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhammad Abdul-Wahab, MDDiagnostic Radiology Physician1649690686
- Alissa AbelCertified Registered Nurse Anesthetist1124888599
- Kenneth Acevedo, MDFamily Medicine Physician1154190148
- Luis Acosta, MDInternal Medicine Physician1376398842
- Luis Acosta Nunez, MDHospitalist Physician1154018349
- Steve Adelman, DONeurology Physician1639283294
Verify Ruby Mengwen Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license DO-04876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average hospitalist physician in 2024
509 Medicare Part D claims for 132 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Levothyroxine Sodium29 claims
- Potassium Chloride29 claims
- Atorvastatin Calcium26 claims
- Quetiapine Fumarate24 claims
- Escitalopram Oxalate23 claims
- Pantoprazole Sodium20 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 one group practice
- Mercy Clinics IncDes Moines, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruby Mengwen Wu among 302 hospitalist physician records in Iowa
Ruby Mengwen Wu, D.O. is one of 302 hospitalist physician records with a practice address in Iowa. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 33% of them.
- NPI issued2012 · 33% of these records are older, 63% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2013 · median 2014 among the 243 with a school on file
- Record last updated2022 · 26% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
84 hospitalist physician records list a practice address in Des Moines
They are 84 of the 5,538 NPPES records with a practice address in Des Moines, and 302 hospitalist physician records in Iowa.
All 302 in Iowa → Every provider in Des Moines → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Tara Andersen, DODes Moines, IA 503141881734499
- Rupinder Deep Singh Deo, M.D.Des Moines, IA 503141205092095
- Wael Haidar, M.D.Des Moines, IA 503141932185253
- David Jones, MDDes Moines, IA 503141346359528
- Robert McKinney, DODes Moines, IA 503141720191760
- Jeffrey Morris, MDDes Moines, IA 503141922111491
- Rodney Nagimesi, M.DDes Moines, IA 503141932411865
- Moanis Omar, M.D.Des Moines, IA 503141073747424
Common questions
What is Ruby Mengwen Wu, D.O.'s NPI number?
Ruby Mengwen Wu, D.O.'s National Provider Identifier (NPI) is 1457608275, issued on Aug 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Ruby Mengwen Wu, D.O. located?
The NPPES record lists a practice address at 1111 6TH Ave, Des Moines, IA, 50314. Phone: (515) 247-4240. Providers update this record themselves, so call before visiting.
How can I verify Ruby Mengwen Wu, D.O.'s license?
NPPES lists Iowa license number DO-04876, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ruby Mengwen Wu, D.O. prescribe under Medicare Part D?
In 2024, Ruby Mengwen Wu, D.O. had 509 Medicare Part D claims for 132 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.