Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

Valerie L. Traina, MD

Works at hospitals in Mountain View, CA · San Jose, CA · California

Summary

Dr. Valerie L. Traina, MD is a general surgeon at 320 Dardanelli Ln, Suite 17, Los Gatos, CA 95032. Phone: (408) 871-3400. Accepts Medicare assignment. In 2024, Valerie L. Traina had 189 Original Medicare patients and 669 services. NPI 1447384698. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 320 Dardanelli Ln, Suite 17, Los Gatos, CA 95032 · Directions
  • Phone: (408) 871‑3400
  • Medicare: Accepts Medicare assignment
  • Hospitals: El Camino Health, Good Samaritan Hospital
  • Group practice: El Camino Health Medical Network LLC
  • Medical school: Tufts University School Of Medicine · graduated 1981 (45 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Valerie L. Traina, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Valerie L. Traina accept Medicare assignment?
Yes. Medicare's clinician data says Valerie L. Traina accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Valerie L. Traina see?
In 2024, CMS data shows 189 Original Medicare patients and 669 services for Valerie L. Traina. This counts Original Medicare only and measures volume, not quality.
What is Valerie L. Traina's NPI number?
1447384698. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Valerie L. Traina, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients189
Services billed to Medicare669
Different services or procedures43
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)284 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)62 services
  3. Ultrasound scan of head and neck soft tissue (76536)49 services
  4. Limited ultrasound scan of 1 breast (76642)29 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)28 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure69%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)58%
  • Arthritis48%
  • Osteoporosis33%
  • Diabetes24%

Hospitals where Valerie L. Traina works

Medicare's Facility Affiliation Data lists Valerie L. Traina at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • El Camino HealthMountain View, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050308
  • Good Samaritan HospitalSan Jose, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050380

Practice locations

Addresses where Valerie L. Traina is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Valerie L. Traina as a member of this group (CMS data updated October 2, 2026).

  • El Camino Health Medical Network LLC202 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Los Gatos

Clinicians with the same Medicare primary specialty in Los Gatos, CA — not a recommendation.

All general surgeons in Los Gatos →

Other clinicians in El Camino Health Medical Network LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year1981 (45 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447384698
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians