Tien-Phat Vuong Huynh, MD, PHD
Neurology Physician · Orange, CA
Tien-Phat Vuong Huynh, MD, PHD is a neurology physician with a practice address in Orange, California, and NPI 1366070559, issued on Apr 1, 2020. Check the license (California A191630, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tien-Phat Vuong Huynh
- Credential
- MD, PHD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A191630 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S, Orange, CA 92868
- Phone
- (714) 823-6407
- Enumerated
- Apr 1, 2020
- Record last updated
- Feb 19, 2026
- Medicare enrollment
- Enrolled (PECOS I20240620001266); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 101 The City Dr S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danny Abad, PAPhysician Assistant1477158673
- Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
- Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
- Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
- Eric AbelloOtolaryngology Physician1922566215
- Brandon Abeyta, MDAnesthesiology Physician1841291804
Verify Tien-Phat Vuong Huynh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A191630Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average neurology physician in 2024
25 Medicare Part D claims for 11 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
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
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tien-Phat Vuong Huynh among 2,339 neurology physician records in California
Tien-Phat Vuong Huynh, MD, PHD is one of 2,339 neurology 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 2020, is newer than 91% of them.
- NPI issued2020 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2020 · median 2006 among the 1,628 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Orange → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Daniela Bota, MDOrange, CA 928681942499884
- William Cable, MDOrange, CA 928681548340631
- Michael Demetriou, MDOrange, CA 928681992885099
- Dale Di Stefano, M.D.Orange, CA 928681902822968
- Malcolm Dick, PHDOrange, CA 928681235182205
- Vivek Jain, MDOrange, CA 928681871679373
- Claudia Kawas, MDOrange, CA 928681629158894
- Mayank Pathak, M.D.Orange, CA 928681114959475
Common questions
What is Tien-Phat Vuong Huynh, MD, PHD's NPI number?
Tien-Phat Vuong Huynh, MD, PHD's National Provider Identifier (NPI) is 1366070559, issued on Apr 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Tien-Phat Vuong Huynh, MD, PHD located?
The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 823-6407. Providers update this record themselves, so call before visiting.
How can I verify Tien-Phat Vuong Huynh, MD, PHD's license?
NPPES lists California license number A191630, 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 Tien-Phat Vuong Huynh, MD, PHD prescribe under Medicare Part D?
In 2024, Tien-Phat Vuong Huynh, MD, PHD had 25 Medicare Part D claims for 11 beneficiaries; the average among neurology physician prescribers was 1,370. 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.