DR. TIMOTHY ALLAN SINEK OD
NPI 1073501862
Optometrist in Mesa, AZ
About Dr. Timothy Allan Sinek Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY ALLAN SINEK OD (NPI 1073501862) is an individual optometrist in Mesa, Arizona, licensed in Arizona (OPT-001469) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Timothy Allan Sinek Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Timothy Sinek reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Scottsdale, AZ 85251
- Reassigned Medicare billing, Arizona enrollment
- 212 clinicians in this Medicare group
Phoenix, AZ 85016
- Reassigned Medicare billing, Arizona enrollment
- 224 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 85204 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MESA, AZ 85204
MESA, AZ 85204
MESA, AZ 85204
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 Timothy Sinek's NPI number?
The NPI number for Timothy Sinek is 1073501862. It was assigned to this individual provider in the NPPES registry on October 6, 2005.
Where is Timothy Sinek located?
Timothy Sinek practices at 1055 S Stapley Dr, Mesa, AZ 85204. The listed phone number is (480) 892-8400.
What is Timothy Sinek's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Timothy Sinek enrolled in Medicare?
Yes. Timothy Sinek is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Timothy Sinek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Sinek reassigns Medicare benefits to 2 organizations: Southwestern Eye Center Ltd (Scottsdale, AZ) and Barnet Dulaney Perkins Eye Center, PC (Phoenix, AZ). 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 Timothy Sinek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Sinek accept?
Health plans from Blue Cross Blue Shield of Arizona, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Imperial Insurance Companies, Inc. and Oscar Health and 6 other insurers list Timothy Sinek as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Timothy Sinek was last updated on June 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.