Stephen Caso, PA-C
NPI 1083916985 · Physician Assistant · Temecula, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Caso, PA-C is a Physician Assistant provider in Temecula, CA (NPI 1083916985).
Provider details
- NPI number
- 1083916985
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA21365 (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 tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,072 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 577 | $116 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 92 | $118 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 75 | $13 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 67 | $18 |
| Annual, Face-To-Face Intensive Behavioral Therapy for Cardiovascular Disease, Individual, 15 MinutesG0446 | 67 | $22 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 64 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 119 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 409 | 134 |
| Amlodipine Besylate | 309 | 93 |
| Levothyroxine Sodium | 241 | 67 |
| Losartan Potassium | 164 | 52 |
| Rosuvastatin Calcium | 152 | 52 |
| Omeprazole | 134 | 51 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,939 across 106 records (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
- 2010-11-28
- Last updated
- 2010-11-28
Frequently asked questions
- What is Stephen Caso's NPI number?
- Stephen Caso's National Provider Identifier (NPI) is 1083916985, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Caso's specialty?
- Stephen Caso is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephen Caso located?
- Stephen Caso's practice location on file with NPPES is 41715 Winchester Rd, Temecula, CA 92590-4808.
- What is Stephen Caso's phone number?
- The practice phone number listed in the NPPES registry for Stephen Caso is (951) 308-4451.
- Does Stephen Caso accept Medicare?
- Stephen Caso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Caso's NPI active?
- Yes — Stephen Caso's NPI (1083916985) is active in the NPPES registry as of the last update on 2010-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.