GREGORY T. YESENSKY D.O.
NPI 1437261302
Family Medicine in Fairfield, CA
About Gregory T. Yesensky D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY T. YESENSKY D.O. (NPI 1437261302) is an individual family medicine provider in Fairfield, California, licensed in California (20A8758) and active in the NPI registry since August 2006. He has opted out of Medicare through December 26, 2026 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Gregory T. Yesensky D.o. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from December 26, 2018 through December 26, 2026.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94533 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFIELD, CA 94533
FAIRFIELD, CA 94533
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Gregory Yesensky's NPI number?
The NPI number for Gregory Yesensky is 1437261302. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Gregory Yesensky located?
Gregory Yesensky practices at 2201 Courage Dr, Fairfield, CA 94533. The listed phone number is (707) 784-2010.
What is Gregory Yesensky's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Gregory Yesensky enrolled in Medicare?
No. Gregory Yesensky has opted out of Medicare through December 26, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
When was this NPI record last updated?
The NPPES record for Gregory Yesensky was last updated on May 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.