Doctor profile · Federal record
Dr. Teresita Guanzon, MD
Internal Medicine Physician · San Jose, CA
- NPI 1306877055
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2395 Montpelier Dr, #4
San Jose, CA 951161619
(408) 272-3041
fax (408) 272-3068
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A46671
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306877055. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
17
Distinct HCPCS
1
Medicare allowed
$2,418
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 14 | $142 |
In context: peer comparison
Among 94 peers in San Jose Internal Medicine Physician, average services per provider: 175. This provider delivers 0.1× the peer median.Open Payments
Industry payments received
All-time total
$2,645
Transactions
58
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 8 | $449.15 | |
| Amgen INC. | 9 | $419.80 | |
| GlaxoSmithKline, LLC. | 8 | $378.61 | |
| Ibsa Pharma INC. | 5 | $306.79 | |
| E.R. Squibb & Sons, L.L.C. | 4 | $173.54 | |
| 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 | |
| Lilly USA, LLC | 3 | $72.86 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $50.17 | |
| Eisai INC. | 2 | $46.26 | |
| Novartis Pharmaceuticals Corporation | 2 | $43.92 | |
| Janssen Pharmaceuticals, INC | 1 | $38.55 | |
| Sanofi-Aventis U.S. LLC | 1 | $36.12 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,460
Patients
952
Total drug cost
$225,442
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 419 | 168 | $9,527 |
| Losartan Potassium | Generic | 411 | 155 | $7,065 |
| Amlodipine Besylate | Generic | 354 | 151 | $4,250 |
| Metformin Hcl | Generic | 172 | 73 | $2,813 |
| Metoprolol Succinate | Generic | 130 | 49 | $3,156 |
| Rosuvastatin Calcium | Generic | 128 | 57 | $4,415 |
| Jardiance (Empagliflozin) | Brand | 127 | 27 | $103,007 |
| Levothyroxine Sodium | Generic | 125 | 38 | $2,378 |
| Alendronate Sodium | Generic | 108 | 40 | $1,674 |
| Pioglitazone Hcl | Generic | 102 | 43 | $5,281 |
Frequently asked questions
What is Dr. Teresita Guanzon's medical specialty?
Dr. Teresita Guanzon practices Internal Medicine Physician in San Jose, CA.
Where does Dr. Teresita Guanzon practice?
Dr. Teresita Guanzon practices at 2395 Montpelier Dr, San Jose, CA 951161619. Office phone: 4082723041.
What is Dr. Teresita Guanzon's NPI?
Dr. Teresita Guanzon's National Provider Identifier (NPI) is 1306877055, issued by NPPES.
What procedures does Dr. Teresita Guanzon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.