Judy Marie Nguyen, D.O
Hospitalist Physician · Santa Cruz, CA
Judy Marie Nguyen, D.O is a hospitalist physician with a practice address in Santa Cruz, California, and NPI 1417391723, issued on Apr 18, 2013. Check the license (California 20A13932, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Judy Marie Nguyen
- Credential
- D.O
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A13932 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2025 Soquel Ave, Santa Cruz, CA 95062
- Phone
- (831) 458-5610
- Enumerated
- Apr 18, 2013
- Record last updated
- Feb 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161121002307); 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.
- Farzana AbedFamily Nurse Practitioner1669932588
- Rachel Abrams, M.D.Family Medicine Physician1578542171
- Erin Agenjo Hohengarten, LCSWClinical Social Worker1376978791
- Bahar Aghighi, MDEndocrinology, Diabetes & Metabolism Physician1770562134
- Walter Alexander, M.D.Surgery Physician1386946606
- Timothy W Allari, MDInternal Medicine Physician1013996370
Verify Judy Marie Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average hospitalist physician in 2024
167 Medicare Part D claims for 89 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 13 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass13 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 FoundationSanta Cruez, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Judy Marie Nguyen among 3,099 hospitalist physician records in California
Judy Marie Nguyen, 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 2013, is newer than 56% of them.
- NPI issued2013 · 56% of these records are older, 39% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2013 · 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
- Daniel Owyang, D.OSanta Cruz, CA 950621447518196
- 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 Judy Marie Nguyen, D.O's NPI number?
Judy Marie Nguyen, D.O's National Provider Identifier (NPI) is 1417391723, issued on Apr 18, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Judy Marie Nguyen, D.O located?
The NPPES record lists a practice address at 2025 Soquel Ave, Santa Cruz, CA, 95062. Phone: (831) 458-5610. Providers update this record themselves, so call before visiting.
How can I verify Judy Marie Nguyen, D.O's license?
NPPES lists California license number 20A13932, 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 Judy Marie Nguyen, D.O prescribe under Medicare Part D?
In 2024, Judy Marie Nguyen, D.O had 167 Medicare Part D claims for 89 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.