Thu-Trang L. Phung, M.D.
Ophthalmology Physician · Oroville, CA
Thu-Trang L. Phung, M.D. is an ophthalmology physician with a practice address in Oroville, California, and NPI 1093764052, issued on May 8, 2006. Check the license (California CA068430, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thu-Trang L. Phung
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- CA068430 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2809 Olive Hwy, Oroville, CA 95966
- Phone
- (530) 532-8010
- Enumerated
- May 8, 2006
- Record last updated
- Apr 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (530) 532-8015
- Medicare enrollment
- Enrolled (PECOS I20051005001197); accepts Medicare assignment
- Medical or professional school
- East Tennessee State University Quillen College Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 2809 Olive Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charlene Chang-Smith, MDOphthalmology Physician1871550939
- Brian Ching, M.D.Specialist1306945936
- Marshall Ching, M.D.Specialist1215036835
- Sultan Chopan, MDFamily Medicine Physician1285637744
- Love Dalal, M.D.Specialist1992768360
- Matthew Fine, M.D.Internal Medicine Physician1760437446
Verify Thu-Trang L. Phung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license CA068430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average ophthalmology physician in 2024
233 Medicare Part D claims for 54 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Latanoprost56 claims
- Erythromycin36 claims
- Timolol Maleate25 claims
- Neomycin-Polymyxin-Dexameth16 claims
- Diclofenac Sodium14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Orohealth Corporation A Non Profit Healthcare SystemOroville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thu-Trang L. Phung among 2,899 ophthalmology physician records in California
Thu-Trang L. Phung, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1997 · median 2001 among the 1,907 with a school on file
- Record last updated2011 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Oroville → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Charlene Chang-Smith, MDOroville, CA 959661871550939
- Joanne Cochrane, M.D.Oroville, CA 959661487650560
- Richard Cochrane, M.D.Oroville, CA 959661093711079
- John Johansson, MD PHDOroville, CA 959661447284344
- Eric Stevens, MD/PHDOroville, CA 959661972761815
- George Boutros, MDParadise, CA 959691699798835
- Jennifer Ensminger, M.D.Paradise, CA 959691184600108
- David Gajda, M.D.Paradise, CA 959691396839395
Common questions
What is Thu-Trang L. Phung, M.D.'s NPI number?
Thu-Trang L. Phung, M.D.'s National Provider Identifier (NPI) is 1093764052, issued on May 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thu-Trang L. Phung, M.D. located?
The NPPES record lists a practice address at 2809 Olive Hwy, Oroville, CA, 95966. Phone: (530) 532-8010. Providers update this record themselves, so call before visiting.
How can I verify Thu-Trang L. Phung, M.D.'s license?
NPPES lists California license number CA068430, 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 Thu-Trang L. Phung, M.D. prescribe under Medicare Part D?
In 2024, Thu-Trang L. Phung, M.D. had 233 Medicare Part D claims for 54 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Thu-Trang L. Phung, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.