LAUREN GRYNIEWICZ P.T.
NPI 1356881312
Physical Therapist - Orthopedic in Wauwatosa, WI
About Lauren Gryniewicz P.t. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAUREN GRYNIEWICZ P.T. (NPI 1356881312) is an individual orthopedic provider in Wauwatosa, Wisconsin, licensed in Wisconsin (13088-24) and active in the NPI registry since February 2017. She is a graduate of Other (2015).
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
Lauren Gryniewicz P.t. 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 Reassignment
Medicare enrollment records show Lauren Gryniewicz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wauwatosa, WI 53222
- Reassigned Medicare billing, Wisconsin enrollment
- 90 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 6
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.
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.
MILWAUKEE, WI 53226
WAUWATOSA, WI 53226
WAUWATOSA, WI 53226
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 Lauren Gryniewicz's NPI number?
The NPI number for Lauren Gryniewicz is 1356881312. It was assigned to this individual provider in the NPPES registry on February 24, 2017.
Where is Lauren Gryniewicz located?
Lauren Gryniewicz practices at 2500 N Mayfair Rd Suite 550, Wauwatosa, WI 53226. The listed phone number is (414) 443-1269.
What is Lauren Gryniewicz's specialty?
The primary specialty registered for this NPI is Physical Therapist, specializing in Orthopedic, with taxonomy code 2251X0800X.
Is Lauren Gryniewicz enrolled in Medicare?
Yes. Lauren Gryniewicz 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 organization bills Medicare for Lauren Gryniewicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Gryniewicz reassigns Medicare benefits to Midwest Orthopedic Specialty Hospital, LLC (Wauwatosa, WI). 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 Lauren Gryniewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lauren Gryniewicz accept?
Health plans from Anthem Blue Cross and Blue Shield list Lauren Gryniewicz 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 Lauren Gryniewicz was last updated on February 24, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.