Provider Profile
Justin Matusalem
Unclaimed ProfileAbout Justin Matusalem
Listed in the NPI registry as a physician assistant, Justin Matusalem practices in San Francisco, CA. Justin is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Justin cared for 1,401 Medicare patients across 1,558 services. 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, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
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
- (858) 740-0275
- Email not available
Practice Locations
3838 CALIFORNIA ST RM 715
San Francisco, CA 94118
Procedures Most Often Billed to Medicare
1,558 services · 1,401 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
71 | More often than most peers in Physician Assistant |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
39 | As often as other peers in Physician Assistant |
| Injection of trigger points, 3 or more muscles | Procedure | 20553 |
34 | As often as other peers in Physician Assistant |
| Injection of trigger points, 1-2 muscles | Procedure | 20552 |
20 | As often as other peers in Physician Assistant |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
137 | More than most peers in Physician Assistant |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
122 | More than most peers in Physician Assistant |
| X-ray of upper spine, 4-5 views | Imaging | 72050 |
48 | More often than most peers in Physician Assistant |
| Mri scan of upper spinal canal without contrast | Imaging | 72141 |
34 | More than most peers in Physician Assistant |
| X-ray of hip, minimum of 4 views | Imaging | 73503 |
12 | Less often 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 |
491 | More 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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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 — 32 related providers in 4 groups
Other physician assistants in San Francisco 8
Same specialty, same city.
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 Aspiration and/or injection of fluid large joint using ultrasound guidance 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Justin Matusalem?
Justin Matusalem is a physician assistant in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Justin Matusalem's address?
Justin Matusalem is listed at 3838 California St Rm 715, San Francisco, CA 94118. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Justin Matusalem?
The number on file is (858) 740-0275. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Justin Matusalem's NPI number?
Justin Matusalem's National Provider Identifier is 1720651508. 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 Justin Matusalem train?
Justin Matusalem attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Justin Matusalem been practicing?
Justin Matusalem has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What procedures does Justin Matusalem perform?
According to Medicare billing data, Justin Matusalem performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance, aspiration and/or injection of fluid from large joint and injection of trigger points, 3 or more muscles; reads or performs imaging such as x-ray of lower and sacral spine, minimum of 4 views and mri scan of lower spinal canal without contrast, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Justin Matusalem confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Justin Matusalem. 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.