LYDIA WEYENBERG MD
NPI 1407381650
Obstetrics & Gynecology in Bellevue, WA
About Lydia Weyenberg Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LYDIA WEYENBERG MD (NPI 1407381650) is an individual obstetrics & gynecology provider in Bellevue, Washington, licensed in Arizona (68481) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Memorial Medical Center, and maintains a secondary practice location in Huntley.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Lydia Weyenberg Md 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
9Medicare enrollment records show Lydia Weyenberg reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Renton, WA 98055
- Reassigned Medicare billing, Washington enrollment
- 689 clinicians in this Medicare group
Silverdale, WA 98383
- Reassigned Medicare billing, Washington enrollment
- 223 clinicians in this Medicare group
Las Cruces, NM 88011
- Reassigned Medicare billing, New Mexico enrollment
- 193 clinicians in this Medicare group
Medford, WI 54451
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Aspirus Medical Group, Inc.
- 415 clinicians in this Medicare group
Edgar, WI 54426
- Reassigned Medicare billing, Wisconsin enrollment
- 633 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Berwyn, IL 60402
- Reassigned Medicare billing, Illinois enrollment
- 219 clinicians in this Medicare group
Saint Albans, VT 05478
- Reassigned Medicare billing, Vermont enrollment
- 184 clinicians in this Medicare group
Honolulu, HI 96819
- Reassigned Medicare billing, Hawaii enrollment
- 1,187 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Medical Center
Acute Care Hospitals · Las Cruces, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98004 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 20
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 Weyenberg's NPI number?
The NPI number for Lydia Weyenberg is 1407381650. It was assigned to this individual provider in the NPPES registry on April 25, 2017.
Where is Lydia Weyenberg located?
Lydia Weyenberg practices at 1035 116th Ave NE, Bellevue, WA 98004. The listed phone number is (425) 688-5000.
What is Lydia Weyenberg's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Lydia Weyenberg enrolled in Medicare?
Yes. Lydia Weyenberg 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 Weyenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Weyenberg reassigns Medicare benefits to 9 organizations: Valley Medical Group-Renton (Renton, WA), Obhg Washington, PC (Silverdale, WA), Las Cruces Physician Practices, LLC (Las Cruces, NM), Aspirus Medford Hospital & Clinics, Inc. (Medford, WI), Aspirus Wausau Hospital Inc (Edgar, WI) and 4 more organizations, listed in the Medicare section above. 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 Weyenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lydia Weyenberg accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Cigna HealthCare of Arizona, Inc, HealthPartners and Imperial Insurance Companies, Inc. and 1 other insurer list Lydia Weyenberg 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.
Is Lydia Weyenberg affiliated with any hospitals?
According to CMS data, Lydia Weyenberg is affiliated with Memorial Medical Center.
When was this NPI record last updated?
The NPPES record for Lydia Weyenberg was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Lydia Weyenberg, MD · NPI 1407381650
Obstetrics & Gynecology physician in Bellevue, Washington. Individual provider, active in the CMS NPPES registry since April 25, 2017.
## Identity
- **NPI:** 1407381650 (Entity type: Individual)
- **Enumerated:** April 25, 2017
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 68481 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 1035 116TH AVE NE, Bellevue, WA 98004-4604
- **Phone:** (425) 688-5000
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Valley Medical Group-Renton (NPI 1619209574, Renton, WA); Obhg Washington, PC (NPI 1962729525, Silverdale, WA); Las Cruces Physician Practices, LLC (NPI 1093947491, Las Cruces, NM); Aspirus Medford Hospital & Clinics, Inc. (NPI 1619079597, Medford, WI); Aspirus Wausau Hospital Inc (NPI 1447580725, Edgar, WI); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** August 19, 2026
- **Other identifiers:** Other 68481 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1407381650) · Data from the CMS NPPES public registry.