Provider Profile
Sabrina Chang
Unclaimed ProfileAbout Sabrina Chang
Sabrina Chang is a physician assistant practicing in Vallejo, CA. According to Medicare claims data, Sabrina cared for 281 Medicare patients across 312 services. The services billed most often include insertion of needle into vein for collection of blood sample, complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count, and blood test, lipids (cholesterol and triglycerides).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (707) 638-5809
- Email not available
Practice Locations
1310 CLUB DR
Vallejo, CA 94592
Procedures Most Often Billed to Medicare
312 services · 281 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
69 | More often than most peers in Physician Assistant |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
39 | As often as other peers in Physician Assistant |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
34 | As often as other peers in Physician Assistant |
| Hemoglobin a1c level | Lab test | 83036 |
33 | As often as other peers in Physician Assistant |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
32 | As often as other peers in Physician Assistant |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
31 | As often as other peers in Physician Assistant |
| Manual urinalysis test with examination using microscope, automated | Lab test | 81001 |
26 | As often as other peers in Physician Assistant |
| Blood test, basic group of blood chemicals (calcium, total) | Lab test | 80048 |
18 | Less often than most peers in Physician Assistant |
| Vitamin d-3 level | Lab test | 82306 |
17 | Less often than most peers in Physician Assistant |
| Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous | Billing code | G0328 |
13 | 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.
Other physician assistants at this location 8
Same specialty, same street address — most likely the same department or group.
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 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 25 related providers in 4 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.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Sabrina Chang specialize in?
Sabrina Chang is a physician assistant in Vallejo, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Sabrina Chang located?
Sabrina Chang is listed at 1310 Club Dr, Vallejo, CA 94592. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Sabrina Chang's phone number?
The number on file is (707) 638-5809. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Sabrina Chang's NPI number?
Sabrina Chang's National Provider Identifier is 1497378970. 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 Sabrina Chang train?
Sabrina Chang attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Sabrina Chang been practicing?
Sabrina Chang has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What does Sabrina Chang do most often?
According to Medicare billing data, Sabrina Chang performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Sabrina Chang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Sabrina Chang. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.