Sieu Truong, M.D.
NPI 1194751941 · Obstetrics & Gynecology Physician · Encinitas, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sieu Truong, M.D. is a Obstetrics & Gynecology Physician provider in Encinitas, CA (NPI 1194751941).
Provider details
- NPI number
- 1194751941
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A67527 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,259 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 418 | $179 |
| Colorectal Cancer Screening; Fecal Occult Blood Test, Immunoassay, 1-3 SimultaneousG0328 | 281 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 155 | $127 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 122 | $45 |
| Administration of Psychological Or Neuropsychological Test By Single Standardized Instrument Via Electronic Platform With Automated Result96146 | 61 | $2 |
| Urinalysis for Bacteria81007 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Progesterone, Micronizedbrand: Progesterone | 138 | 43 |
| Estradiol | 134 | 60 |
| Alendronate Sodium | 71 | 22 |
| Estradiolbrand: Estradiol (twice Weekly) | 65 | 21 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 40 | 23 |
| Fluconazole | 30 | 23 |
| Levothyroxine Sodium | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$499 across 26 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-23
- Last updated
- 2018-05-14
Frequently asked questions
- What is Sieu Truong's NPI number?
- Sieu Truong's National Provider Identifier (NPI) is 1194751941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sieu Truong's specialty?
- Sieu Truong is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Sieu Truong located?
- Sieu Truong's practice location on file with NPPES is 477 N El Camino Real, Encinitas, CA 92024.
- What is Sieu Truong's phone number?
- The practice phone number listed in the NPPES registry for Sieu Truong is (760) 635-3777.
- Does Sieu Truong accept Medicare?
- Sieu Truong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sieu Truong's NPI active?
- Yes — Sieu Truong's NPI (1194751941) is active in the NPPES registry as of the last update on 2018-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.