MARY H LUDWICZAK MD
NPI 1780678805
Obstetrics & Gynecology in Longview, WA
About Mary H Ludwiczak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY H LUDWICZAK MD (NPI 1780678805) is an individual obstetrics & gynecology provider in Longview, Washington, licensed in Washington (MD00032784) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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)
Mary H Ludwiczak Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Ludwiczak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vancouver, WA 98686
- Reassigned Medicare billing, Washington and Oregon enrollments
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- Also billed through NPI 1093043424 (Oregon)
- 2,534 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 98632 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LONGVIEW, WA 98632
LONGVIEW, WA 98632
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 Mary Ludwiczak's NPI number?
The NPI number for Mary Ludwiczak is 1780678805. It was assigned to this individual provider in the NPPES registry on September 2, 2005.
Where is Mary Ludwiczak located?
Mary Ludwiczak practices at 1660 Delaware St, Longview, WA 98632. The listed phone number is (360) 414-2800.
What is Mary Ludwiczak's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Mary Ludwiczak enrolled in Medicare?
Yes. Mary Ludwiczak is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Ludwiczak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Ludwiczak reassigns Medicare benefits to Manor Care Of Salmon Creek Wa, Association (Vancouver, WA). The 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 Mary Ludwiczak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Ludwiczak accept?
Health plans from Kaiser Permanente list Mary Ludwiczak 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 Mary Ludwiczak was last updated on February 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mary H Ludwiczak, MD · NPI 1780678805
Obstetrics & Gynecology physician in Longview, Washington. Individual provider, active in the CMS NPPES registry since September 2, 2005.
## Identity
- **NPI:** 1780678805 (Entity type: Individual)
- **Enumerated:** September 2, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD00032784 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1660 DELAWARE ST, Longview, WA 98632-2310
- **Phone:** (360) 414-2800 · **Fax:** (360) 414-2803
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Manor Care Of Salmon Creek Wa, Association (NPI 1609171081, Vancouver, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 4, 2022
- **Other identifiers:** Medicaid 8178352 (WA); Medicaid 074463 (OR); Other 102491 (WA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1780678805) · Data from the CMS NPPES public registry.