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

Obstetrics/Gynecology

Karolina E. Thomson, MD

Sees patients in San Jose, CA · California

Summary

Karolina E. Thomson, MD (Obstetrics/Gynecology) is enrolled with Medicare at 1 practice location in San Jose, CA. NPI 1124551502. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Karolina E. Thomson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
9Years since medical school (graduated 2017)
Columbia University College Of Physicians And SurgeonsMedical school
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Karolina E. Thomson see patients?
Medicare's clinician data lists 1 practice location in San Jose, CA. Call before your visit to confirm the address.
What is Karolina E. Thomson's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Karolina E. Thomson accept Medicare assignment?
Yes. Medicare's clinician data says Karolina E. Thomson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Karolina E. Thomson?
(408) 972-6931, as listed in official Medicare / NPI Registry data.
What is Karolina E. Thomson's NPI number?
1124551502. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Karolina E. Thomson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Karolina E. Thomson as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in San Jose

Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.

All OB-GYNs in San Jose →

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124551502
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians