Duc Van Nguyen, M.D.
Internal Medicine Physician · Oceano, CA
Duc Van Nguyen, M.D. is an internal medicine physician with a practice address in Oceano, California, and NPI 1255366928, issued on Jul 11, 2006. Check the license (California A83670, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Duc Van Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A83670 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2120 Cienaga St, Oceano, CA 93445
- Phone
- (805) 994-2100
- Enumerated
- Jul 11, 2006
- Record last updated
- Feb 20, 2025
- Fax
- (805) 994-2197
- Medicaid ID
- 00A836700 CA
- Medicare enrollment
- Enrolled (PECOS I20031111000732); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 2120 Cienaga St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nubia Daguia, F.N.P.Family Nurse Practitioner1336459387
- Ethan Etnyre, MDFamily Medicine Physician1225021777
- Karen Mikuni, MDFamily Medicine Physician1497748958
- Daniel Parker SchmidtGeneral Practice Dentistry1518734821
- Maribel Ramirez, RDHDental Hygienist1780204388
- Freddy Velazquez, RDHDental Hygienist1518752484
Verify Duc Van Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A83670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Community Health Centers OF The Central Coast IncNipomo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1 internal medicine physician records list a practice address in Oceano
They are 1 of the 26 NPPES records with a practice address in Oceano, and 17,696 internal medicine physician records in California.
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Duc Van Nguyen, M.D.'s NPI number?
Duc Van Nguyen, M.D.'s National Provider Identifier (NPI) is 1255366928, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Duc Van Nguyen, M.D. located?
The NPPES record lists a practice address at 2120 Cienaga St, Oceano, CA, 93445. Phone: (805) 994-2100. Providers update this record themselves, so call before visiting.
How can I verify Duc Van Nguyen, M.D.'s license?
NPPES lists California license number A83670, 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.
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.