Dr. Guillermo Gonzalez, MD
- Medicare services, 2024
- 16,219
- Medicare patients, 2024
- 289
- Part D claims, 2024
- 882
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 3945 E Paradise Falls Dr Suite 105 Suite 105, Tucson, AZ 85712-6686
- Practice phone
- Call (520) 689-7022
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arizona Blood And Cancer Specialists Tucson - Paradise Falls
Multi-specialty group site · Tucson, Arizona
Find Dr. Gonzalez's professional email, personal email and mobile number
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Dr. Guillermo Gonzalez is a hematologist and oncologist in Tucson, Arizona
Dr. Gonzalez practices at Arizona Blood And Cancer Specialists Tucson - Paradise Falls in Tucson, Arizona.
Dr. Gonzalez's NPI, 1740249986, was assigned on March 17, 2006. Dr. Gonzalez holds Arizona license 20067.
- NPI
- 1740249986NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517155617
- NPI enumeration date
- March 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (520) 689-7022
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Guillermo Gonzalez practices at Arizona Blood and Cancer Specialists Tucson - Paradise Falls in Tucson, Arizona
Dr. Gonzalez's primary practice is Arizona Blood and Cancer Specialists Tucson - Paradise Falls, at 3945 E Paradise Falls Dr Suite 105 Suite 105, Tucson, AZ 85712-6686. The practice phone is (520) 689-7022.
- Arizona Blood and Cancer Specialists Tucson - Paradise Falls3945 E Paradise Falls Dr Suite 105 Suite 105, Tucson, AZ 85712-6686Phone(520) 689-7022
Source: Dmand AI Affiliation Data
Dr. Guillermo Gonzalez is affiliated with 2 sites of care and 1 medical group
Dr. Gonzalez's primary practice is Arizona Blood And Cancer Specialists Tucson - Paradise Falls in Tucson, Arizona. Dr. Gonzalez is also affiliated with Holy Cross Hospital. The medical group on file is Arizona Blood & Cancer Specialists.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Guillermo Gonzalez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gonzalez practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arizona Blood And Cancer Specialists Tucson - Paradise Falls | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Guillermo Gonzalez is one of 259 hematologists and oncologists in Arizona
Hematology and oncology is Dr. Gonzalez's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Gonzalez is licensed in Arizona.
Specialties and state licenses
- Hematology and oncology, ArizonaPrimary
Hematologists and oncologists near Dr. Gonzalez
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Guillermo Gonzalez billed Medicare for 16,219 services in 2024
CMS data shows 16,219 Medicare services from Dr. Gonzalez across 15 procedure codes in 2024, for 289 Medicare patients. Medicare paid $162,891 for them. Every service was in an office.
Dr. Gonzalez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 3,1312024: 15,293388%
- Office and hospital visits
- 2023: 4962024: 495No change
- Tests and treatments
- 2023: 3762024: 33611%
- Imaging
- 2023: 02024: 32
- Surgery
- 2023: 352024: 329%
- Other services
- 2023: 02024: 31
Dr. Gonzalez compared with the Arizona median for hematologists and oncologists, 2024
- Dr. Gonzalez
- Arizona median
- Medicare services
- 16,219vs 2,7056.0 times
- Medicare patients
- 289vs 37022% below
- Part D claims
- 736vs 40482% above
Medians across 249 hematologists and oncologists in Arizona with Dmand AI profiles that report each measure.
Dr. Gonzalez's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gonzalez and other hematologists and oncologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Guillermo Gonzalez treated 289 Medicare patients in 2024, average age 77
CMS counts 289 Medicare patients who saw Dr. Gonzalez in 2024. The largest group is 75 to 84, with 122 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.86, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Gonzalez's median patient age at 73, with 63% women.
Dr. Gonzalez's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gonzalez's Medicare patients by sex, 2024
- Women17661%
- Men11339%
Chronic conditions among Dr. Gonzalez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer51%
- Arthritis43%
- Ischemic heart disease33%
- Chronic kidney disease31%
- Diabetes30%
- Osteoporosis27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gonzalez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Guillermo Gonzalez wrote 882 Medicare Part D claims in 2024
In 2024, Dr. Gonzalez wrote 882 Medicare Part D claims for 180 patients. 53% of them were for generic drugs. CMS names the drug for 736 of them, across 22 drugs with 11 or more claims each, at $4,965,025 in total drug cost. In 2023, CMS named 655 claims across 19 drugs.
Dr. Gonzalez's Part D claims by kind of drug, 2024
- Generic469 claims53%
- Brand-name and other413 claims47%
Dr. Gonzalez's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Gonzalez's Part D claims, 2024
- Antibiotics2%16 of 882 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6552024: 73612%
Drugs named by CMS: 22 in 2024, 19 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Guillermo Gonzalez scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Gonzalez for performance year 2024, reported as part of a group. Dr. Gonzalez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Gonzalez's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Guillermo Gonzalez received $2,255 in industry payments from 2016 to 2025
CMS Open Payments shows 136 general payments to Dr. Gonzalez from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. Pfizer Inc. paid the most, $595.
General payments to Dr. Gonzalez by program year, 2016 to 2025
General payments to Dr. Gonzalez by kind, 2016 to 2025
- Food and beverage$2,03990%
- Education$21610%
Companies that paid Dr. Gonzalez the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Guillermo Gonzalez's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Guillermo Gonzalez
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Guillermo Gonzalez's NPI number?
Dr. Guillermo Gonzalez's NPI number is 1740249986. It was assigned on March 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Guillermo Gonzalez?
Dr. Guillermo Gonzalez is a hematologist and oncologist in Tucson, Arizona. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Guillermo Gonzalez practice?
Dr. Gonzalez practices at 3945 E Paradise Falls Dr Suite 105 Suite 105, Tucson, AZ 85712-6686. Dr. Gonzalez's primary practice is Arizona Blood And Cancer Specialists Tucson - Paradise Falls in Tucson, Arizona.
What is Dr. Guillermo Gonzalez's office phone number?
The practice phone on file for Dr. Gonzalez is (520) 689-7022.
What is Dr. Guillermo Gonzalez's medical license number?
Dr. Gonzalez holds Arizona license 20067.
Which hospitals is Dr. Guillermo Gonzalez affiliated with?
Dr. Gonzalez is affiliated with Holy Cross Hospital.
What medical group is Dr. Guillermo Gonzalez part of?
Dr. Gonzalez is linked to Arizona Blood & Cancer Specialists.
Does Dr. Guillermo Gonzalez accept Medicare?
Yes. CMS data shows Dr. Gonzalez billed Medicare for 16,219 services in 2024, and Dr. Gonzalez accepts Medicare assignment.
What is Dr. Guillermo Gonzalez's MIPS score?
Dr. Gonzalez's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Guillermo Gonzalez see?
CMS counts 289 Medicare patients who saw Dr. Gonzalez in 2024, with an average age of 77.
Show 4 more questionsShow fewer questions
What services does Dr. Guillermo Gonzalez bill to Medicare?
In 2024, Dr. Gonzalez's most billed Medicare services were injected or infused drug (J0881), injected or infused drug (J0897) and injected or infused drug (J1100).
What drugs does Dr. Guillermo Gonzalez prescribe most?
In 2024 Medicare Part D data, Dr. Gonzalez's most prescribed drugs by claims were Revlimid, Exemestane and Folic Acid.
Has Dr. Guillermo Gonzalez received payments from drug or device companies?
CMS Open Payments shows $2,255 in general payments to Dr. Gonzalez from 29 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Guillermo Gonzalez been practicing?
Dr. Gonzalez graduated from medical school in 1976, 50 years ago.
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