DR. TAMMI L SAWALLISH OD
NPI 1225063514
Optometrist in Berlin, WI
About Dr. Tammi L Sawallish Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TAMMI L SAWALLISH OD (NPI 1225063514) is an individual optometrist in Berlin, Wisconsin, licensed in Wisconsin (3047-035) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Illinois College Of Optometry At Chicago (2006).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Tammi L Sawallish Od 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 Tammi Sawallish reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Berlin, WI 54923
- Reassigned Medicare billing, Wisconsin enrollment
- 2 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54923 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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 Tammi Sawallish's NPI number?
The NPI number for Tammi Sawallish is 1225063514. It was assigned to this individual provider in the NPPES registry on July 12, 2006.
Where is Tammi Sawallish located?
Tammi Sawallish practices at 269 Memorial Dr Ste 103, Berlin, WI 54923. The listed phone number is (920) 361-1696.
What is Tammi Sawallish's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Tammi Sawallish enrolled in Medicare?
Yes. Tammi Sawallish 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 Tammi Sawallish's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammi Sawallish reassigns Medicare benefits to Berlin Family Eye Care Sc (Berlin, 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 Tammi Sawallish's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammi Sawallish accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 7 other insurers list Tammi Sawallish 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 Tammi Sawallish was last updated on September 1, 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.