Clayton Wu
Emergency Medicine Physician · Sacramento, CA
Clayton Wu is an emergency medicine physician with a practice address in Sacramento, California, and NPI 1871928341, issued on Sep 3, 2013. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Clayton Wu
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 17902 NV
Self-reported in NPPES; status is on the state search - Practice location
- 4610 X St, Sacramento, CA 95817
- Phone
- (916) 816-0599
- Enumerated
- Sep 3, 2013
- Record last updated
- Apr 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 4610 X St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ferheen AbbasiStudent in an Organized Health Care Education/Training Program1518745108
- Geraldine Abilo CardenasSpecialist1871481606
- James AboagyeStudent in an Organized Health Care Education/Training Program1235955998
- Christopher AdamsStudent in an Organized Health Care Education/Training Program1285223446
- Erika AdamsStudent in an Organized Health Care Education/Training Program1528769767
- Lindsay AdamsSpecialist1417831991
Verify Clayton Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average emergency medicine physician in 2024
261 Medicare Part D claims for 186 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Cephalexin38 claims
- Amoxicillin-Clavulanate Potass33 claims
- Hydrocodone-Acetaminophen22 claims
- Ondansetron Odt20 claims
- Azithromycin18 claims
- Ibuprofen12 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 practice group's MIPS final score for 2023 (Medicare payment program): 94.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Clayton Wu among 7,751 emergency medicine physician records in California
Clayton Wu is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 66% of them.
- NPI issued2013 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
369 emergency medicine physician records list a practice address in Sacramento
They are 369 of the 33,083 NPPES records with a practice address in Sacramento, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Sacramento → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jodie Craig, M.D.Sacramento, CA 958171659354124
- Greg Hachigian, M.D.Sacramento, CA 958171558342022
- James Holmes, MD, MPHSacramento, CA 958171427033091
- James Kirk, MDSacramento, CA 958171598749848
- Nathan Kuppermann, M.D., M.P.H.Sacramento, CA 958171356322150
- James Lee, M.D.Sacramento, CA 958171730163510
- Kerry McMahon, MDSacramento, CA 958171235113549
- Robert Narverud, M.D.Sacramento, CA 958171457335754
Common questions
What is Clayton Wu's NPI number?
Clayton Wu's National Provider Identifier (NPI) is 1871928341, issued on Sep 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Clayton Wu located?
The NPPES record lists a practice address at 4610 X St, Sacramento, CA, 95817. Phone: (916) 816-0599. Providers update this record themselves, so call before visiting.
How can I verify Clayton Wu's license?
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 Clayton Wu prescribe under Medicare Part D?
In 2024, Clayton Wu had 261 Medicare Part D claims for 186 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Clayton Wu's MIPS final score?
The 2023 MIPS final score is 94.9 of 100, reported for the practice group. 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.