Nathaniel Yuan, DO
Sleep Medicine (Internal Medicine) Physician · Ventura, CA
Nathaniel Yuan, DO is a sleep medicine (internal medicine) physician with a practice address in Ventura, California, and NPI 1659875201, issued on Mar 20, 2018. Check the license (California 20A17976, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Yuan
- Credential
- DO
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- 20A17976 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6633 Telephone RD Ste 100, Ventura, CA 93003
- Phone
- (805) 644-9121
- Enumerated
- Mar 20, 2018
- Record last updated
- Jun 28, 2022
- Fax
- (805) 644-9131
- Medicare enrollment
- Enrolled (PECOS I20201125000401); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 6633 Telephone RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Ahern, MDFamily Medicine Physician1508359423
- Larissa Larsen, M.D.Dermatology Physician1063733426
- Travis Welsh, MDRheumatology Physician1821591611
Verify Nathaniel Yuan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17976Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
472 Medicare Part D claims for 165 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin93 claims
- Trazodone Hcl92 claims
- Zolpidem Tartrate62 claims
- Clonazepam30 claims
- Doxepin Hcl19 claims
- Zolpidem Tartrate Er15 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): 86.1 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).
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in California
There are 129 sleep medicine (internal medicine) physician records in California.
Other sleep medicine (internal medicine) physician records in California
- Charlie Abraham, MDFresno, CA1588841043
- Jennifer Acostamadiedo, MDSanta Cruz, CA1417479288
- Joyce Adesina, M.D.Los Angeles, CA1922368745
- Kathreen Al RamoFresno, CA1396208443
- Kyle Almodovar, D.O.Fresno, CA1326433350
- Robert Ang, MDSunnyvale, CA1225219025
- Ruchi Bansal, M.D.Bakersfield, CA1134425754
- Robert Bercovitch, MDSan Diego, CA1184819237
- Aditya Bhargava, M.D.Dublin, CA1114938032
- H Bonekat, DOSacramento, CA1992780787
Common questions
What is Nathaniel Yuan, DO's NPI number?
Nathaniel Yuan, DO's National Provider Identifier (NPI) is 1659875201, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Yuan, DO located?
The NPPES record lists a practice address at 6633 Telephone RD Ste 100, Ventura, CA, 93003. Phone: (805) 644-9121. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Yuan, DO's license?
NPPES lists California license number 20A17976, 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 Nathaniel Yuan, DO prescribe under Medicare Part D?
In 2024, Nathaniel Yuan, DO had 472 Medicare Part D claims for 165 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.
What is Nathaniel Yuan, DO's MIPS final score?
The 2023 MIPS final score is 86.1 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.