Alonso Pacheco, MD
NPI 1326187311 · Hematology & Oncology Physician · Pueblo, CO
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alonso Pacheco, MD is a Hematology & Oncology Physician provider in Pueblo, CO (NPI 1326187311).
Provider details
- NPI number
- 1326187311
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2004-0252 (NM)
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
5,006 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 691 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 649 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 609 | $10 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 317 | $132 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 296 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 283 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 57 | 21 |
| Acyclovir | 57 | 12 |
| Dexamethasone | 55 | 26 |
| Potassium Chloride | 50 | 17 |
| Hydroxyurea | 49 | 12 |
| Olanzapine | 49 | 24 |
| Rivaroxabanbrand: Xarelto | 46 | 14 |
| Enzalutamidebrand: Xtandi |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,463 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
- 2007-02-06
- Last updated
- 2010-08-17
Frequently asked questions
- What is Alonso Pacheco's NPI number?
- Alonso Pacheco's National Provider Identifier (NPI) is 1326187311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alonso Pacheco's specialty?
- Alonso Pacheco is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Alonso Pacheco located?
- Alonso Pacheco's practice location on file with NPPES is 3676 Parker Blvd Ste 350, Pueblo, CO 81008-2213.
- What is Alonso Pacheco's phone number?
- The practice phone number listed in the NPPES registry for Alonso Pacheco is (719) 296-6000.
- Does Alonso Pacheco accept Medicare?
- Alonso Pacheco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alonso Pacheco's NPI active?
- Yes — Alonso Pacheco's NPI (1326187311) is active in the NPPES registry as of the last update on 2010-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.