Trey Sommers, PA
NPI 1104542059 · Physician Assistant · Stanford, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Trey Sommers, PA is a Physician Assistant provider in Stanford, CA (NPI 1104542059).
Provider details
- NPI number
- 1104542059
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 61910 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
476 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 163 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 108 | $109 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 101 | $65 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 43 | $168 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 30 | $144 |
| Replacement of Thigh Bone and Hip Joint With Prosthesis |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 164 | 152 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 133 | 108 |
| Amoxicillin | 116 | 112 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 51 | 43 |
| Meloxicam | 27 | 15 |
| Clindamycin Hcl | 26 | 26 |
| Cyclobenzaprine Hcl | 25 | 22 |
Practice location
Mailing address
Additional practice locations (1)
- 1409 E Briggsmore AveModesto, CA 95355-2707Phone: (209) 521-6097
Registry dates
- Enumerated
- 2022-10-12
- Last updated
- 2026-03-16
- Certified
- 2026-03-16
Frequently asked questions
- What is Trey Sommers's NPI number?
- Trey Sommers's National Provider Identifier (NPI) is 1104542059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trey Sommers's specialty?
- Trey Sommers is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Trey Sommers located?
- Trey Sommers's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Trey Sommers's phone number?
- The practice phone number listed in the NPPES registry for Trey Sommers is (650) 723-4000.
- Does Trey Sommers accept Medicare?
- Trey Sommers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Trey Sommers's NPI active?
- Yes — Trey Sommers's NPI (1104542059) is active in the NPPES registry as of the last update on 2026-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.