Physician Profile
Sieu P. Truong, M.D. is a healthcare provider in Encinitas, CA specializing in obstetrics & gynecology. Sieu trained at Tulane University School of Medicine, graduating in 1997. Medicare claims data shows Sieu provided 1,259 services to 1,101 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
477 N EL CAMINO REAL
Encinitas, CA 92024
Within Obstetrics and Gynecology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Infections and vulvovaginal conditions
Menstrual and hormonal
Pelvic pain and benign gynecology
Pregnancy
Cancer and precancer
Contraception
Fertility
Infections
Pregnancy Complications
Vaginal & Vulvar Health
Most searched procedures
Contraception and office treatment
Pregnancy and delivery
Preventive and diagnostic
Birth Control
Contraception
Diagnostic Procedures
Fertility
Hormone & Menopause
Laparoscopic and adnexal surgery
Pelvic floor
Postpartum Care
Pregnancy & Prenatal
Preventive Care
Preventive Screening
Routine Exams
Surgeries
Uterine and cervical procedures
1,259 services · 1,101 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of lining of uterus | Procedure | 58100 |
15 | As often as other peers in OB-GYN |
| Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | Imaging | 76830 |
43 | More often than most peers in OB-GYN |
| Administration of psychological or neuropsychological test by single standardized instrument via electronic platform with automated result | Treatment | 96146 |
61 | Too few peers to compare |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
418 | More than most peers in OB-GYN |
| Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous | Billing code | G0328 |
281 | More than most peers in OB-GYN |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
155 | More than most peers in OB-GYN |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
122 | More than most peers in OB-GYN |
| Urinalysis for bacteria | Lab test | 81007 |
54 | Too few peers to compare |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
45 | More often than most peers in OB-GYN |
| Body fluid ph level | Lab test | 83986 |
26 | As often as other peers in OB-GYN |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Sieu P. Truong is an OB-GYN in Encinitas, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Sieu P. Truong is listed at 477 N El Camino Real, Encinitas, CA 92024. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (760) 635-3777. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Sieu P. Truong's National Provider Identifier is 1194751941. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Sieu P. Truong attended Tulane University School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
Sieu P. Truong has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Sieu P. Truong performs procedures including biopsy of lining of uterus; reads or performs imaging such as ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina; provides treatments such as administration of psychological or neuropsychological test by single standardized instrument via electronic platform with automated result, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Sieu P. Truong. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.