MAREN LOTHYAN ZARO ARNP
NPI 1841739745
Nurse Practitioner in Tacoma, WA
About Maren Lothyan Zaro Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAREN LOTHYAN ZARO ARNP (NPI 1841739745) is an individual nurse practitioner in Tacoma, Washington, licensed in Washington (AP60710531) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS, is affiliated with Mason General Hospital & Family Of Clinics, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Maren Lothyan Zaro Arnp 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 Maren Zaro reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Skokomish Nation, WA 98584
- Reassigned Medicare billing, Texas enrollment
- 6 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 3
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mason General Hospital & Family Of Clinics
Critical Access Hospitals · Shelton, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98409 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 6
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 Maren Zaro's NPI number?
The NPI number for Maren Zaro is 1841739745. It was assigned to this individual provider in the NPPES registry on February 13, 2017. The provider is also known as Maren Lothyan.
Where is Maren Zaro located?
Maren Zaro practices at 5006 Center St Ste R, Tacoma, WA 98409. The listed phone number is (253) 275-0200.
What is Maren Zaro's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Maren Zaro enrolled in Medicare?
Yes. Maren Zaro 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 Maren Zaro's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maren Zaro reassigns Medicare benefits to Skokomish Tribal Council (Skokomish Nation, 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 Maren Zaro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Maren Zaro affiliated with any hospitals?
According to CMS data, Maren Zaro is affiliated with Mason General Hospital & Family Of Clinics.
When was this NPI record last updated?
The NPPES record for Maren Zaro was last updated on July 18, 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.
# Maren Lothyan Zaro, ARNP · NPI 1841739745
Nurse Practitioner physician in Tacoma, Washington. Individual provider, active in the CMS NPPES registry since February 13, 2017.
## Identity
- **NPI:** 1841739745 (Entity type: Individual)
- **Enumerated:** February 13, 2017
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** AP60710531 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 5006 CENTER ST STE R, Tacoma, WA 98409-2314
- **Phone:** (253) 275-0200
## 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:** Skokomish Tribal Council (NPI 1316056096, Skokomish Nation, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** July 18, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1841739745) · Data from the CMS NPPES public registry.