Doctor profile · Federal record
Dr. Guillermo Gonzalez, M.D.
Hematology & Oncology Physician (CMS: Medical Oncology) · Tucson, AZ
- NPI 1740249986
- Accepts Medicare
- MIPS 98.6 / 100 · 2023
- 50 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
3945 E Paradise Falls Dr Ste 105
Tucson, AZ 857126686
(520) 689-7030
fax (520) 395-9796 - Additional location
-
1620 W Saint Marys RD
Tucson, AZ 857452624
(520) 624-7445
fax (520) 623-6145 - Additional location
-
1710 N Mastick Way
Nogales, AZ 856211013 - Additional location
-
507 N Western Ave
Nogales, AZ 856212060 - Mailing address
-
3945 E Paradise Falls Dr Ste 201
Tucson, AZ 857126687
Show 1 more location
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- August 26, 2020
- Year of graduation
- 1976 — 50 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Arizona #20067
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740249986. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,038
Distinct HCPCS
10
Medicare allowed
$133,932
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 2,100 | 24 | $23 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 784 | 20 | $0 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 450 | 184 | $123 | |
J1626 |
Injection, granisetron hydrochloride, 100 mcg | 230 | 13 | $0 | |
96413 |
Administration of chemotherapy into vein, 1 hour or less | 116 | 29 | $128 | |
96372 |
Injection of drug or substance under skin or into muscle | 93 | 54 | $14 | |
96367 |
Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | 88 | 24 | $28 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 46 | 46 | $161 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 41 | 25 | $63 | |
96375 |
Injection of additional new drug or substance into vein | 38 | 12 | $15 |
In context: peer comparison
Among 21 peers in this city , average services per provider: 951. This provider delivers 4.2× the peer median.Open Payments
Industry payments received
All-time total
$309
Transactions
13
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Celgene Corporation | 2 | $54.82 | |
| PFIZER INC. | 2 | $42.55 | |
| Merck Sharp & Dohme LLC | 2 | $39.28 | |
| Genentech USA, Inc. | 1 | $34.15 | |
| Daiichi Sankyo Inc. | 1 | $29.75 | |
| Fresenius Kabi USA, LLC | 1 | $26.47 | |
| Janssen Biotech, Inc. | 1 | $22.86 | |
| Novartis Pharmaceuticals Corporation | 1 | $22.35 | |
| AstraZeneca Pharmaceuticals LP | 1 | $21.47 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $15.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
598
Patients
134
Total drug cost
$3,728,494
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Revlimid (Lenalidomide) | Brand | 120 | 13 | $2,118,586 |
| Exemestane | Generic | 79 | 23 | $21,797 |
| Folic Acid | Generic | 60 | 23 | $323 |
| Dexamethasone | Generic | 55 | 37 | $914 |
| Anastrozole | Generic | 33 | 12 | $1,247 |
| Xtandi (Enzalutamide) | Brand | 33 | 0 | $409,255 |
| Bicalutamide | Generic | 32 | 14 | $1,718 |
| Tasigna (Nilotinib Hcl) | Brand | 29 | 0 | $251,849 |
| Ondansetron Hcl | Generic | 28 | 12 | $436 |
| Imbruvica (Ibrutinib) | Brand | 27 | 0 | $229,247 |
Frequently asked questions
What is Dr. Guillermo Gonzalez's medical specialty?
Dr. Guillermo Gonzalez practices Hematology & Oncology Physician in Tucson, AZ.
Where does Dr. Guillermo Gonzalez practice?
Dr. Guillermo Gonzalez practices at 3945 E Paradise Falls Dr Ste 105, Tucson, AZ 857126686. Office phone: 5206897030.
What is Dr. Guillermo Gonzalez's NPI?
Dr. Guillermo Gonzalez's National Provider Identifier (NPI) is 1740249986, issued by NPPES.
Does Dr. Guillermo Gonzalez accept Medicare assignment?
Yes. Dr. Guillermo Gonzalez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guillermo Gonzalez commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.