Hiep Truong, M.D.
Obstetrics & Gynecology Physician · Fountain Valley, CA
Hiep Truong, M.D. is an obstetrics & gynecology physician with a practice address in Fountain Valley, California, and NPI 1578520151, issued on Apr 27, 2006. Check the license (California A45852, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hiep Truong
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A45852 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15975 Harbor Blvd, Fountain Valley, CA 92708
- Phone
- (714) 546-6575
- Enumerated
- Apr 27, 2006
- Record last updated
- Feb 1, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (714) 546-6573
- Medicare enrollment
- Enrolled (PECOS I20100802000824); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 15975 Harbor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marie Basa, FNP - BCFamily Nurse Practitioner1356739767
- Michelle BuiFamily Medicine Physician1588436729
- Julie Cheng, M.D.Pediatrics Physician1225110968
- Huong LeFamily Nurse Practitioner1578216925
- Minh-Tri Nguyen, DMDDentist1245306349
- Sommer Pedroza, FNP-CObstetrics & Gynecology Nurse Practitioner1265631188
Verify Hiep Truong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A45852Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
46 Medicare Part D claims for 17 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of 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: $157.68
7 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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 one group practice
- Miyoco Medical Center IncFountain Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hiep Truong among 5,088 obstetrics & gynecology physician records in California
Hiep Truong, M.D. 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
- Graduated1984 · median 2004 among the 2,700 with a school on file
- Record last updated2012 · 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).
23 obstetrics & gynecology physician records list a practice address in Fountain Valley
They are 23 of the 2,190 NPPES records with a practice address in Fountain Valley, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Fountain Valley → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Gerardo Bustillo, M.D.Fountain Valley, CA 927081972631786
- Cynthia Cork, M.D.Fountain Valley, CA 927081134229602
- Ellen Fraser, M.D.Fountain Valley, CA 927081275598443
- Jamie Kim, M.D.Fountain Valley, CA 927081225187388
- Carol Levi, M.D.Fountain Valley, CA 927081497706907
- Minal Mehta, M.D.Fountain Valley, CA 927081780787580
- Sunita Moola, MDFountain Valley, CA 927081770770695
- Krystal Pham, MDFountain Valley, CA 927081710001763
Common questions
What is Hiep Truong, M.D.'s NPI number?
Hiep Truong, M.D.'s National Provider Identifier (NPI) is 1578520151, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hiep Truong, M.D. located?
The NPPES record lists a practice address at 15975 Harbor Blvd, Fountain Valley, CA, 92708. Phone: (714) 546-6575. Providers update this record themselves, so call before visiting.
How can I verify Hiep Truong, M.D.'s license?
NPPES lists California license number A45852, 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 Hiep Truong, M.D. prescribe under Medicare Part D?
In 2024, Hiep Truong, M.D. had 46 Medicare Part D claims for 17 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.