DR. LYDIA WESTER M.D.
NPI 1134481740
Obstetrics & Gynecology in Tucson, AZ
About Dr. Lydia Wester M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LYDIA WESTER M.D. (NPI 1134481740) is an individual obstetrics & gynecology provider in Tucson, Arizona, licensed in Arizona (52185) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Lydia Wester M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Lydia Wester reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85712
- Reassigned Medicare billing, Arizona enrollment
- 471 clinicians in this Medicare group
Tucson, AZ 85704
- Reassigned Medicare billing, Arizona enrollment
- 157 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85712 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.
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 Lydia Wester's NPI number?
The NPI number for Lydia Wester is 1134481740. It was assigned to this individual provider in the NPPES registry on June 10, 2012.
Where is Lydia Wester located?
Lydia Wester practices at 2300 N Rosemont Blvd, Tucson, AZ 85712. The listed phone number is (520) 795-8080.
What is Lydia Wester's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Lydia Wester enrolled in Medicare?
Yes. Lydia Wester is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Lydia Wester's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Wester reassigns Medicare benefits to 2 organizations: Tmc Medical Network (Tucson, AZ) and Genesis Ob Gyn PLLC (Tucson, 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 Lydia Wester's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lydia Wester accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc and 2 other insurers list Lydia Wester 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 Lydia Wester was last updated on November 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.
# Dr. Lydia Wester, M.D. · NPI 1134481740
Obstetrics & Gynecology physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since June 10, 2012.
## Identity
- **NPI:** 1134481740 (Entity type: Individual)
- **Enumerated:** June 10, 2012
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 52185 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 2300 N ROSEMONT BLVD, Tucson, AZ 85712-2139
- **Phone:** (520) 795-8080 · **Fax:** (523) 323-6237
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Tmc Medical Network (NPI 1750832283, Tucson, AZ); Genesis Ob Gyn PLLC (NPI 1992994214, Tucson, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Iowa, Rj & L Carver College Of Medicine, class of 2012
## Record status
- **NPPES last updated:** November 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1134481740) · Data from the CMS NPPES public registry.