Leonard J Donk, PHD

Medicare standing: 1 flag on the record; Listed below.
Plans that list them: Not verified; Not the same as out of network.
Office: 1

On the public record

Medicare does not list them as allowed to order and refer

Offices

1 location

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Leonard J Donk’s office at (408) 366-9910 to ask if they take your plan before you enroll.

California Medical Board record

Licence C9064 · Deceased

Licence status: Deceased · since 1946 · Indiana University School of Medicine.

Licensee is deceased.

Matched on the licence number without its letter prefix; check the name before relying on it.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Professional record

NPI: 1942420591
Licence: CA 9064California C9064: Deceased

More record details

Sole proprietor: Yes
Taxonomy: Federal specialty code 103TC2200X (103TC2200X); Federal specialty code 103T00000X (103T00000X); Federal specialty code 103TB0200X (103TB0200X); Federal specialty code 103TC0700X (103TC0700X); Federal specialty code 103TC1900X (103TC1900X); Federal specialty code 103TF0200X (103TF0200X); Federal specialty code 103TH0004X (103TH0004X); Federal specialty code 103TP0814X (103TP0814X)
Mailing address: 20111 Stevens Creek Blvd, Suite 250, Cupertino, CA, 95014
NPI first listed: 2007-04-26
NPI last updated: 2025-09-11

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