Guillermo Gonzalez, M.D.
NPI 1740249986 · Hematology & Oncology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1740249986
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 20067 (AZ)
Specialties & taxonomies
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
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
926 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 | 466 | $122 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 110 | $13 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 96 | $27 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 76 | $119 |
| Collection of Blood Sample From Implanted Device36591 | 32 | $26 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 32 | $115 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lenalidomidebrand: Revlimid | 127 | 15 |
| Exemestane | 90 | 25 |
| Folic Acid | 62 | 18 |
| Bicalutamide | 58 | 14 |
| Acalabrutinib Maleatebrand: Calquence | 38 | — |
| Ibrutinibbrand: Imbruvica | 36 | — |
| Anastrozole | 35 | 11 |
| Dexamethasone | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$309 across 13 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
Additional practice locations (3)
- 1710 N Mastick WayNogales, AZ 85621-1013Phone: (520) 689-7030Fax: (520) 395-9796
- 507 N Western AveNogales, AZ 85621-2060Phone: (520) 689-7030Fax: (520) 395-9796
- 1620 W Saint Marys RdTucson, AZ 85745-2624Phone: (520) 624-7445Fax: (520) 623-6145
Registry dates
- Enumerated
- 2006-03-17
- Last updated
- 2020-08-26
- Certified
- 2020-08-26
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.