Thao P. Phung, MD
Hospitalist Physician · Tustin, CA
Thao P. Phung, MD is a hospitalist physician with a practice address in Tustin, California, and NPI 1699909622, issued on May 5, 2009. Check the license (California A125932, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thao P. Phung
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A125932 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2913 EL Camino Real Ste 316, Tustin, CA 92782
- Phone
- (949) 229-1153
- Enumerated
- May 5, 2009
- Record last updated
- Apr 4, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (657) 245-3168
- Medicare enrollment
- Enrolled (PECOS I20161216001593); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Verify Thao P. Phung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A125932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average hospitalist physician in 2024
1,337 Medicare Part D claims for 108 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium102 claims
- Tamsulosin Hcl49 claims
- Amlodipine Besylate45 claims
- Finasteride44 claims
- Eliquis43 claims
- Metoprolol Tartrate42 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.
Thao P. Phung among 3,099 hospitalist physician records in California
Thao P. Phung, MD 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 2009, is newer than 39% of them.
- NPI issued2009 · 39% of these records are older, 56% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2009 · median 2010 among the 2,505 with a school on file
- Record last updated2019 · 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 Tustin → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Afshin Zandpour, MDTustin, CA 927801720233976
- Lawrence Chau, DOAnaheim, CA 928011396221438
- Regina Cuenca, D.O.Anaheim, CA 928011598863540
- Nguyen Dang, M.D.Anaheim, CA 928011679671622
- Mohammad Farukhi, M.D.Anaheim, CA 928011578791661
- Jaya George, M.D,Anaheim, CA 928011568664977
- Yasmine Kamel, MDAnaheim, CA 928011891215570
- Clifford Liu, M.D.Anaheim, CA 928011831299528
Common questions
What is Thao P. Phung, MD's NPI number?
Thao P. Phung, MD's National Provider Identifier (NPI) is 1699909622, issued on May 5, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Thao P. Phung, MD located?
The NPPES record lists a practice address at 2913 EL Camino Real Ste 316, Tustin, CA, 92782. Phone: (949) 229-1153. Providers update this record themselves, so call before visiting.
How can I verify Thao P. Phung, MD's license?
NPPES lists California license number A125932, 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 Thao P. Phung, MD prescribe under Medicare Part D?
In 2024, Thao P. Phung, MD had 1,337 Medicare Part D claims for 108 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.