Trang Nguyen, D.O.
NPI 1861836207 · Internal Medicine Physician · Wildomar, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Trang Nguyen, D.O. is a Internal Medicine Physician provider in Wildomar, CA (NPI 1861836207).
Provider details
- NPI number
- 1861836207
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A15645 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
769 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 398 | $79 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 153 | $49 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 102 | $117 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 67 | $114 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 26 | $129 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
Practice location
Mailing address
Additional practice locations (1)
- 1575 Washington StreetWatertown, NY 13601Phone: (315) 786-7300
Registry dates
- Enumerated
- 2013-04-27
- Last updated
- 2018-03-17
Frequently asked questions
- What is Trang Nguyen's NPI number?
- Trang Nguyen's National Provider Identifier (NPI) is 1861836207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trang Nguyen's specialty?
- Trang Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Trang Nguyen located?
- Trang Nguyen's practice location on file with NPPES is 36485 Inland Valley Dr, Wildomar, CA 92595-9681.
- What is Trang Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Trang Nguyen is (951) 304-7187.
- Does Trang Nguyen accept Medicare?
- Trang Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Trang Nguyen's NPI active?
- Yes — Trang Nguyen's NPI (1861836207) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.