BETHANY MESKER
NPI 1417347840
Nurse Practitioner - Women's Health in Oak View, CA
About Bethany Mesker NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BETHANY MESKER (NPI 1417347840) is an individual women's health provider in Oak View, California, licensed in California (95012936) and active in the NPI registry since January 2015. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Bethany Mesker is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Bethany Mesker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ojai, CA 93023
- Reassigned Medicare billing, California enrollment
- 267 clinicians in this Medicare group
Stockton, CA 95204
- Reassigned Medicare billing, California enrollment
- 83 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Obhg California PC
- 711 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93022 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Bethany Mesker's NPI number?
The NPI number for Bethany Mesker is 1417347840. It was assigned to this individual provider in the NPPES registry on January 23, 2015.
Where is Bethany Mesker located?
Bethany Mesker practices at 10144 Creek Rd, Oak View, CA 93022. The listed phone number is (805) 320-1541.
What is Bethany Mesker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Bethany Mesker enrolled in Medicare?
Yes. Bethany Mesker is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Bethany Mesker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bethany Mesker reassigns Medicare benefits to 3 organizations: Community Memorial Health System (Ojai, CA), Dhp Of California Medical Group Inc (Stockton, CA) and Obhg California, P.C. (Greenville, SC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Bethany Mesker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Bethany Mesker was last updated on December 23, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.