Daniel Ryan Owyang, D.O
Hospitalist Physician · Santa Cruz, CA
Daniel Ryan Owyang, D.O is a hospitalist physician with a practice address in Santa Cruz, California, and NPI 1447518196, issued on May 1, 2012. Check the license (California 20A13126, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Daniel Ryan Owyang
- Credential
- D.O
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A13126 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2025 Soquel Ave, Santa Cruz, CA 95062
- Phone
- (831) 423-1111
- Enumerated
- May 1, 2012
- Record last updated
- Feb 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150528000118); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 2025 Soquel Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel Ryan Owyang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13126Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average hospitalist physician in 2024
152 Medicare Part D claims for 83 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass11 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
- Sutter Bay Medical FoundationFreedom, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Ryan Owyang among 3,099 hospitalist physician records in California
Daniel Ryan Owyang, D.O 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 2012, is newer than 51% of them.
- NPI issued2012 · 51% of these records are older, 44% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2012 · median 2010 among the 2,505 with a school on file
- Record last updated2021 · 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 Santa Cruz → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Jessica CohenSanta Cruz, CA 950621972784874
- Kim Ngoc Ngo, D.O.Santa Cruz, CA 950621528351079
- Judy Nguyen, D.OSanta Cruz, CA 950621417391723
- David PilcherSanta Cruz, CA 950621578543013
- Glenn ShieldsSanta Cruz, CA 950621538149877
- Mohammed Tokh, MDSanta Cruz, CA 950621790949618
- Depinder Singh, M.D.Santa Cruz, CA 950601306173505
- William Cao, MDSanta Cruz, CA 950651932189529
Common questions
What is Daniel Ryan Owyang, D.O's NPI number?
Daniel Ryan Owyang, D.O's National Provider Identifier (NPI) is 1447518196, issued on May 1, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Ryan Owyang, D.O located?
The NPPES record lists a practice address at 2025 Soquel Ave, Santa Cruz, CA, 95062. Phone: (831) 423-1111. Providers update this record themselves, so call before visiting.
How can I verify Daniel Ryan Owyang, D.O's license?
NPPES lists California license number 20A13126, 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 Daniel Ryan Owyang, D.O prescribe under Medicare Part D?
In 2024, Daniel Ryan Owyang, D.O had 152 Medicare Part D claims for 83 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.