Phuong Catherine Truong-Yue, MD
Obstetrics & Gynecology Physician · Downey, CA
Phuong Catherine Truong-Yue, MD is an obstetrics & gynecology physician with a practice address in Downey, California, and NPI 1194769232, issued on Jun 16, 2006. Check the license (California G78810, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Phuong Catherine Truong-Yue
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G78810 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8500 Florence Avenue, Downey, CA 90240
- Phone
- (562) 869-4579
- Enumerated
- Jun 16, 2006
- Record last updated
- May 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (562) 862-1765
- Medicare enrollment
- Enrolled (PECOS I20110218000531); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Verify Phuong Catherine Truong-Yue in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
246 Medicare Part D claims for 105 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Triamcinolone Acetonide44 claims
- Oxybutynin Chloride Er36 claims
- Estradiol21 claims
- Oxybutynin Chloride20 claims
- Fluconazole19 claims
- Metronidazole18 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.
Industry payments in 2024: $237.05
9 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Drs. Mishal, Pham And AssociatesNorwalk, CA
- Pih Health PhysiciansDowney, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phuong Catherine Truong-Yue among 5,088 obstetrics & gynecology physician records in California
Phuong Catherine Truong-Yue, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1992 · median 2004 among the 2,700 with a school on file
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Downey → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Ayman Alladawi, M.D.Downey, CA 902401144485459
- Ladan Ayatollahi, CNM, RN, MSDowney, CA 902401790989028
- Elbert Chang, D.O.Downey, CA 902401215460712
- Sabrina Leung, MDDowney, CA 902401790212397
- Devadatt Mishal, M.D.Downey, CA 902401285673129
- Medhat Seif, M.DDowney, CA 902401245330828
- Penelope Velasco, MDDowney, CA 902401124189576
- Ariel Abrahams, MDDowney, CA 902411376726174
Common questions
What is Phuong Catherine Truong-Yue, MD's NPI number?
Phuong Catherine Truong-Yue, MD's National Provider Identifier (NPI) is 1194769232, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Phuong Catherine Truong-Yue, MD located?
The NPPES record lists a practice address at 8500 Florence Avenue, Downey, CA, 90240. Phone: (562) 869-4579. Providers update this record themselves, so call before visiting.
How can I verify Phuong Catherine Truong-Yue, MD's license?
NPPES lists California license number G78810, 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 Phuong Catherine Truong-Yue, MD prescribe under Medicare Part D?
In 2024, Phuong Catherine Truong-Yue, MD had 246 Medicare Part D claims for 105 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.