Physician Profile
Unclaimed ProfileAbout CHAN
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Education & Training
Areas of Expertise
Common questions
What does Dr. Chan specialise in?
Dr. Chan is a physician assistant in Orange, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
Where is Dr. Chan located?
Dr. Chan is listed at 2501 E CHAPMAN AVE, Orange, CA 92869. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chan's phone number?
The number on file is (714) 633-1011. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chan's NPI number?
Dr. Chan's National Provider Identifier is 1871671420. 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 Dr. Chan go to medical school?
Dr. Chan attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chan been practising?
Dr. Chan has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chan do most often?
According to Medicare billing data, Dr. Chan performs imaging including x-ray of chest, 2 views; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (714) 633-1011
- Email not available
Practice Locations
2501 E CHAPMAN AVE
Orange, CA 92869
Procedures Most Often Billed to Medicare
351 services · 310 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
15 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
12 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
97 |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
74 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
49 |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
33 |
| Urinalysis, manual test | Lab test | 81002 |
21 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
18 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | Lab test | 87880 |
18 |
| Automated urinalysis test | Lab test | 81003 |
14 |
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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 31 related providers in 4 groups
Other physician assistants in Orange 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 7
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.