Justin Matusalem
NPI 1720651508 · Physician Assistant · San Francisco, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Matusalem is a Physician Assistant provider in San Francisco, CA (NPI 1720651508).
Provider details
- NPI number
- 1720651508
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,558 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 491 | $93 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 221 | $113 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 163 | $130 |
| X-Ray of Lower and Sacral Spine, Minimum of 4 Views72110 | 137 | $59 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 122 | $175 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 259 | 91 |
| Diclofenac Sodium | 147 | 44 |
| Celecoxib | 110 | 42 |
| Cyclobenzaprine Hcl | 71 | 37 |
| Methylprednisolone | 71 | 68 |
| Tizanidine Hcl | 70 | 36 |
| Tramadol Hcl | 41 | 28 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-07-20
- Last updated
- 2021-12-17
- Certified
- 2021-09-17
Frequently asked questions
- What is Justin Matusalem's NPI number?
- Justin Matusalem's National Provider Identifier (NPI) is 1720651508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Matusalem's specialty?
- Justin Matusalem is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Justin Matusalem located?
- Justin Matusalem's practice location on file with NPPES is 3838 California St Rm 715, San Francisco, CA 94118-1509.
- What is Justin Matusalem's phone number?
- The practice phone number listed in the NPPES registry for Justin Matusalem is (858) 740-0275.
- Does Justin Matusalem accept Medicare?
- Justin Matusalem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Matusalem's NPI active?
- Yes — Justin Matusalem's NPI (1720651508) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.