Fernando Raul De Castro, MD
NPI 1184617979 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fernando Raul De Castro, MD is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1184617979).
Provider details
- NPI number
- 1184617979
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 30062 (AZ)
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
99 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 99 | $60 |
Typical Medicare-allowed amounts for these services range $60–$60 (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 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 171 | 88 |
| Lisinopril | 120 | 66 |
| Metformin Hcl | 110 | 67 |
| Pravastatin Sodium | 90 | 42 |
| Amlodipine Besylate | 85 | 46 |
| Losartan Potassium | 59 | 34 |
| Hydrochlorothiazide | 56 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-26
- Last updated
- 2011-03-08
Frequently asked questions
- What is Fernando Raul De Castro's NPI number?
- Fernando Raul De Castro's National Provider Identifier (NPI) is 1184617979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fernando Raul De Castro's specialty?
- Fernando Raul De Castro is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Fernando Raul De Castro located?
- Fernando Raul De Castro's practice location on file with NPPES is 4150 N 108th Ave, Phoenix, AZ 85037-5467.
- What is Fernando Raul De Castro's phone number?
- The practice phone number listed in the NPPES registry for Fernando Raul De Castro is (623) 322-1145.
- Does Fernando Raul De Castro accept Medicare?
- Fernando Raul De Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fernando Raul De Castro's NPI active?
- Yes — Fernando Raul De Castro's NPI (1184617979) is active in the NPPES registry as of the last update on 2011-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.