Jorge Diaz, MD
NPI 1558517987 · Hematology & Oncology Physician · Huntsville, AL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jorge Diaz, MD is a Hematology & Oncology Physician provider in Huntsville, AL (NPI 1558517987).
Provider details
- NPI number
- 1558517987
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 31152 (AL)
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
17 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
16,544 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,911 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,825 | $10 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,769 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,044 | $115 |
| Ferritin (blood Protein) Level82728 | 724 | $13 |
| Iron Level83540 | 723 | $6 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 180 | 41 |
| Prednisone | 119 | 37 |
| Anastrozole | 109 | 31 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 58 | 21 |
| Letrozole | 50 | 17 |
| Potassium Chloride | 45 | 21 |
| Abiraterone Acetate | 44 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,670 across 101 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
- 2008-08-18
- Last updated
- 2023-01-27
- Certified
- 2020-09-10
Frequently asked questions
- What is Jorge Diaz's NPI number?
- Jorge Diaz's National Provider Identifier (NPI) is 1558517987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jorge Diaz's specialty?
- Jorge Diaz is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jorge Diaz located?
- Jorge Diaz's practice location on file with NPPES is 1 Hospital Dr Sw, Huntsville, AL 35801-6455.
- What is Jorge Diaz's phone number?
- The practice phone number listed in the NPPES registry for Jorge Diaz is (256) 705-4224.
- Does Jorge Diaz accept Medicare?
- Jorge Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jorge Diaz's NPI active?
- Yes — Jorge Diaz's NPI (1558517987) is active in the NPPES registry as of the last update on 2023-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.