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Irvin Ma, MD

Internal Medicine · Santa Clara

NPI 1487233201

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Offices
3

Offices

3 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group

Looking this up.

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Ma’s office to ask if they take your plan before you enroll.

Money from drug and device companies

$1,253 in 2025

A payment is not proof that care is biased.

Payments by company
3-D MatrixNone$807
1 payment
  • Meals · 2025-05-05 · $807
AbbvieSkyrizi$189
2 payments
  • Meals for Skyrizi · 2025-07-29 · $78
  • Meals for Skyrizi · 2025-04-30 · $111
Janssen Scientific AffairsTremfya$133
1 payment
  • Meals for Tremfya · 2025-08-20 · $133
Salix Pharmaceuticals a division of Bausch Health USXifaxan$125
1 payment
  • Meals for Xifaxan · 2025-04-02 · $125
See all 5 published payments
Every published payment
Janssen Scientific AffairsMeals · 2025-08-20Tremfya$133
AbbvieMeals · 2025-07-29Skyrizi$78
3-D MatrixMeals · 2025-05-05None$807
AbbvieMeals · 2025-04-30Skyrizi$111
Salix Pharmaceuticals a division of Bausch Health USMeals · 2025-04-02Xifaxan$125

Professional record

NPI
1487233201
Trained
University of Nevada School of Medicine, 2021
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Internal medicine (207R00000X)
Mailing address
Po Box 276950, Sacramento, CA, 95827
NPI first listed
2021-04-07
NPI last updated
2025-10-22
NPI record certified
2025-10-22

This is when the NPI record was last certified, not a medical board exam.