Doctor profile · Federal record

Dr. Jose Maria Guanzon, MD

Internal Medicine Physician · San Jose, CA

  • NPI 1134150881
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2395 Montpelier Dr, #4
San Jose, CA 951161619
(408) 272-3041
fax (408) 272-3068

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A46670

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134150881. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
17
Distinct HCPCS
1
Medicare allowed
$3,664
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 17 14 $216

In context: peer comparison

Among 94 peers in this city , average services per provider: 175. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,688
Transactions
59
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 9 $582.84
Amgen Inc. 9 $419.80
GlaxoSmithKline, LLC. 8 $378.61
IBSA Pharma Inc. 4 $181.80
E.R. Squibb & Sons, L.L.C. 4 $173.77
Esperion Therapeutics, Inc. 2 $145.14
Bayer Healthcare Pharmaceuticals Inc. 5 $138.82
Merck Sharp & Dohme LLC 1 $123.95
Novo Nordisk Inc 5 $98.02
Novartis Pharmaceuticals Corporation 3 $77.71
Lilly USA, LLC 3 $72.87
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $50.17
Eisai Inc. 2 $46.26
Janssen Pharmaceuticals, Inc 1 $38.55
SANOFI-AVENTIS U.S. LLC 1 $36.12

By nature of payment

Food and Beverage
$2,688

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,230
Patients
443
Total drug cost
$124,952
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 226 95 $5,074
Amlodipine Besylate Generic 212 87 $2,639
Losartan Potassium Generic 175 75 $3,032
Metformin Hcl Generic 80 35 $1,240
Pioglitazone Hcl Generic 73 26 $3,180
Metoprolol Succinate Generic 62 27 $1,921
Rybelsus (Semaglutide) Brand 57 0 $53,449
Rosuvastatin Calcium Generic 56 27 $2,956
Jardiance (Empagliflozin) Brand 55 0 $32,770
Glimepiride Generic 47 19 $990

Frequently asked questions

Auto-generated from federal data
What is Dr. Jose Maria Guanzon's medical specialty?
Dr. Jose Maria Guanzon practices Internal Medicine Physician in San Jose, CA.
Where does Dr. Jose Maria Guanzon practice?
Dr. Jose Maria Guanzon practices at 2395 Montpelier Dr, San Jose, CA 951161619. Office phone: 4082723041.
What is Dr. Jose Maria Guanzon's NPI?
Dr. Jose Maria Guanzon's National Provider Identifier (NPI) is 1134150881, issued by NPPES.
What procedures does Dr. Jose Maria Guanzon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.