Walter D. Yuen, DO
Hospitalist Physician · Sacramento, CA
Walter D. Yuen, DO is a hospitalist physician with a practice address in Sacramento, California, and NPI 1881918647, issued on Mar 23, 2010. Check the license (California 20A12745, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Walter D. Yuen
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A12745 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8120 Timberlake Way Ste 107, Sacramento, CA 95823
- Phone
- (916) 681-1866
- Enumerated
- Mar 23, 2010
- Record last updated
- Jan 31, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130710000043); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 8120 Timberlake Way Ste 107
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ethelyne Acebedo, FNP-BCFamily Nurse Practitioner1629653761
- Thomas Do, MDHospitalist Physician1346280245
- Cory Gregory, MDHospitalist Physician1437715638
- Manav Khullar, MDPsychiatry Physician1164653523
- Karen Lawler, LMFTMarriage & Family Therapist1205942778
Verify Walter D. Yuen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A12745Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average hospitalist physician in 2024
333 Medicare Part D claims for 112 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium21 claims
- Prednisone16 claims
- Furosemide15 claims
- Pantoprazole Sodium14 claims
- Hydrocodone-Acetaminophen11 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.
The MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Dignity Health Medical FoundationSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter D. Yuen among 3,099 hospitalist physician records in California
Walter D. Yuen, DO is one of 3,099 hospitalist physician records with a practice address in California. 90% 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 44% of them.
- NPI issued2010 · 44% of these records are older, 53% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2010 · median 2010 among the 2,505 with a school on file
- Record last updated2018 · 49% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Sacramento → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Olana Aberra, MDSacramento, CA 958231376621011
- Gaurav Aggarwal, MDSacramento, CA 958231619937521
- Bharat Bhatt, DOSacramento, CA 958231104904846
- Gary Chu, MDSacramento, CA 958231891873527
- Laura Darling, MDSacramento, CA 958231679651335
- Thomas Do, MDSacramento, CA 958231346280245
- Jennifer Hefner, MDSacramento, CA 958231144308800
- Jason Kim, MDSacramento, CA 958231013096742
Common questions
What is Walter D. Yuen, DO's NPI number?
Walter D. Yuen, DO's National Provider Identifier (NPI) is 1881918647, issued on Mar 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Walter D. Yuen, DO located?
The NPPES record lists a practice address at 8120 Timberlake Way Ste 107, Sacramento, CA, 95823. Phone: (916) 681-1866. Providers update this record themselves, so call before visiting.
How can I verify Walter D. Yuen, DO's license?
NPPES lists California license number 20A12745, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Walter D. Yuen, DO prescribe under Medicare Part D?
In 2024, Walter D. Yuen, DO had 333 Medicare Part D claims for 112 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Walter D. Yuen, DO's MIPS final score?
The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.