Stephen Castorino, MD
NPI 1942413315 · Endocrinology, Diabetes & Metabolism Physician · Las Vegas, NV
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Castorino, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Las Vegas, NV (NPI 1942413315).
Provider details
- NPI number
- 1942413315
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 13330 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
811 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 | 436 | $120 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 104 | $32 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 99 | $164 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 83 | $156 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 46 | $13 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Provider Supplied Equipment |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 438 | 70 |
| Semaglutidebrand: Ozempic | 278 | 72 |
| Levothyroxine Sodium | 215 | 76 |
| Metformin Hclbrand: Metformin Hcl Er | 163 | 63 |
| Testosterone Cypionate | 117 | 32 |
| Levothyroxine Sodiumbrand: Synthroid |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$641 across 11 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
- 2007-05-08
- Last updated
- 2014-05-12
Frequently asked questions
- What is Stephen Castorino's NPI number?
- Stephen Castorino's National Provider Identifier (NPI) is 1942413315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Castorino's specialty?
- Stephen Castorino is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Castorino located?
- Stephen Castorino's practice location on file with NPPES is 653 N Town Center Dr, Las Vegas, NV 89144-0514.
- What is Stephen Castorino's phone number?
- The practice phone number listed in the NPPES registry for Stephen Castorino is (702) 368-2244.
- Does Stephen Castorino accept Medicare?
- Stephen Castorino is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Castorino's NPI active?
- Yes — Stephen Castorino's NPI (1942413315) is active in the NPPES registry as of the last update on 2014-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.