MARK CESARE MERLI DPT
NPI 1780307587
Physical Therapist in Issaquah, WA
About Mark Cesare Merli Dpt NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK CESARE MERLI DPT (NPI 1780307587) is an individual physical therapist in Issaquah, Washington, licensed in Washington (PT.PT.70090482-CP) and active in the NPI registry since September 2022. He maintains 2 additional practice locations and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
- Diagnose and manage movement dysfunction and enhance physical and functional abilities.
- Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
- Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
- Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
- Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
Secondary Practice Locations 2
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
Mark Cesare Merli Dpt 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 Mark Merli reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Issaquah, WA 98029
- Reassigned Medicare billing, Washington enrollment
- 589 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 98029 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 Mark Merli's NPI number?
The NPI number for Mark Merli is 1780307587. It was assigned to this individual provider in the NPPES registry on September 26, 2022.
Where is Mark Merli located?
Mark Merli practices at 510 8th Ave NE Ste 340, Issaquah, WA 98029. The listed phone number is (425) 313-3055.
What is Mark Merli's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is Mark Merli enrolled in Medicare?
Yes. Mark Merli 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 Mark Merli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Merli reassigns Medicare benefits to Proliance Surgeons Inc., P.S. (Issaquah, 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 Mark Merli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Merli accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Select Health list Mark Merli 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 Mark Merli was last updated on August 6, 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.