Provider Profile
Evelyn L. Nguyen
Unclaimed ProfileAbout Evelyn Nguyen
Evelyn L. Nguyen is a physician assistant based in Tustin, CA. Evelyn is also listed as specializing in physician assistant — medical. According to Medicare claims data, Evelyn cared for 369 Medicare patients across 1,927 services. The services billed most often include blood test, clotting time, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1184149064.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 406-4461
- Email not available
Practice Locations
2552 WALNUT AVE STE 200
Tustin, CA 92780
Procedures Most Often Billed to Medicare
1,927 services · 369 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Blood test, clotting time | Lab test | 85610 |
887 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
721 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
206 | More often than most peers in Physician Assistant |
| Blood glucose (sugar) test performed by hand-held instrument | Lab test | 82962 |
70 | More often than most peers in Physician Assistant |
| Hemoglobin a1c level | Lab test | 83036 |
23 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
20 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in Tustin 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Evelyn L. Nguyen?
Evelyn L. Nguyen is a physician assistant in Tustin, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Evelyn L. Nguyen's address?
Evelyn L. Nguyen is listed at 2552 Walnut Ave Ste 200, Tustin, CA 92780. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Evelyn L. Nguyen?
The number on file is (714) 406-4461. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Evelyn L. Nguyen's NPI number?
Evelyn L. Nguyen's National Provider Identifier is 1184149064. 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
Where did Evelyn L. Nguyen train?
Evelyn L. Nguyen attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Evelyn L. Nguyen been practicing?
Evelyn L. Nguyen has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What procedures does Evelyn L. Nguyen perform?
According to Medicare billing data, Evelyn L. Nguyen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Evelyn L. Nguyen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Evelyn L. Nguyen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.