Gustavo Fernandez-Castro, M.D.
NPI 1134175318 · Hematology & Oncology Physician · Miami, FL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gustavo Fernandez-Castro, M.D. is a Hematology & Oncology Physician provider in Miami, FL (NPI 1134175318).
Provider details
- NPI number
- 1134175318
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME76272 (FL)
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
20 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
194 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 | 177 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $70 |
Typical Medicare-allowed amounts for these services range $70–$101 (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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 83 | 49 |
| Levothyroxine Sodium | 61 | 16 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 50 | 20 |
| Megestrol Acetate | 40 | 12 |
| Dexamethasone | 38 | 18 |
| Apixabanbrand: Eliquis | 36 | 11 |
| Hydrocortisone | 33 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 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
- 2006-05-26
- Last updated
- 2013-02-08
Frequently asked questions
- What is Gustavo Fernandez-Castro's NPI number?
- Gustavo Fernandez-Castro's National Provider Identifier (NPI) is 1134175318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gustavo Fernandez-Castro's specialty?
- Gustavo Fernandez-Castro is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gustavo Fernandez-Castro located?
- Gustavo Fernandez-Castro's practice location on file with NPPES is 1475 Nw 12th Ave, Miami, FL 33136-1002.
- What is Gustavo Fernandez-Castro's phone number?
- The practice phone number listed in the NPPES registry for Gustavo Fernandez-Castro is (305) 243-5302.
- Does Gustavo Fernandez-Castro accept Medicare?
- Gustavo Fernandez-Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gustavo Fernandez-Castro's NPI active?
- Yes — Gustavo Fernandez-Castro's NPI (1134175318) is active in the NPPES registry as of the last update on 2013-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.