Provider Profile
Ma Koreena Jayne Y. Tran, PA-C
Unclaimed ProfileAbout Ma Koreena Jayne Tran
Ma Koreena Jayne Y. Tran, PA-C is a physician assistant practicing in Diamond Bar, CA. Medicare claims data shows Ma Koreena Jayne provided 249 services to 209 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and urinalysis, manual test. This provider record is associated with NPI 1841751815.
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
- (909) 860-1144
- Email not available
Practice Locations
1514 VALLEY VISTA DR
Diamond Bar, CA 91765
27522 Antonio Pkwy Ste P3
Ladera Ranch, CA 92694
150 W Foothill Blvd
San Dimas, CA 91773
Procedures Most Often Billed to Medicare
249 services · 209 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
109 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
68 | As often as other peers in Physician Assistant |
| Urinalysis, manual test | Lab test | 81002 |
29 | As often as other peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
24 | Less often than most peers in Physician Assistant |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
19 | As often as other 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.
Other physician assistants at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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.
More connections — 21 related providers in 3 groups
Other physician assistants in Diamond Bar 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Ma Koreena Jayne Y. Tran?
Ma Koreena Jayne Y. Tran is a physician assistant in Diamond Bar, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Ma Koreena Jayne Y. Tran's address?
Ma Koreena Jayne Y. Tran is listed at 1514 Valley Vista Dr, Diamond Bar, CA 91765. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Ma Koreena Jayne Y. Tran?
The number on file is (909) 860-1144. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Ma Koreena Jayne Y. Tran?
Ma Koreena Jayne Y. Tran's National Provider Identifier is 1841751815. 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 Ma Koreena Jayne Y. Tran train?
Ma Koreena Jayne Y. Tran attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ma Koreena Jayne Y. Tran have?
Ma Koreena Jayne Y. Tran has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What procedures does Ma Koreena Jayne Y. Tran perform?
According to Medicare billing data, Ma Koreena Jayne Y. Tran 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
Is Ma Koreena Jayne Y. Tran's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ma Koreena Jayne Y. Tran. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.