Eduardo Castro, MD
NPI 1942258884 · Emergency Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eduardo Castro, MD is a Emergency Medicine Physician provider in Milwaukee, WI (NPI 1942258884).
Provider details
- NPI number
- 1942258884
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40835 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
584 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 287 | $8 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 248 | $160 |
| Critical Care, First 30-74 Minutes99291 | 28 | $195 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 21 | $110 |
Typical Medicare-allowed amounts for these services range $8–$195 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 42 | 41 |
| Ondansetronbrand: Ondansetron Odt | 34 | 34 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 31 | 31 |
| Prednisone | 25 | 25 |
| Potassium Chloride | 12 | 11 |
| Amlodipine Besylate | 12 | — |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2008-06-05
Frequently asked questions
- What is Eduardo Castro's NPI number?
- Eduardo Castro's National Provider Identifier (NPI) is 1942258884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eduardo Castro's specialty?
- Eduardo Castro is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eduardo Castro located?
- Eduardo Castro's practice location on file with NPPES is 2900 W Oklahoma Ave, Milwaukee, WI 53215-4330.
- What is Eduardo Castro's phone number?
- The practice phone number listed in the NPPES registry for Eduardo Castro is (414) 649-6588.
- Does Eduardo Castro accept Medicare?
- Eduardo Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eduardo Castro's NPI active?
- Yes — Eduardo Castro's NPI (1942258884) is active in the NPPES registry as of the last update on 2008-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.