MARY K. SIMONSON, MD PLLC
NPI 1295334555
Clinic/Center - Medical Specialty in Tacoma, WA
About Mary K. Simonson, Md Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY K. SIMONSON, MD PLLC (NPI 1295334555), doing business as Mary K. Simonson, Md, is a healthcare organization registered as a medical specialty in Tacoma, Washington and active in the NPI registry since October 2020. The organization lists Mary K Simonson, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary K. Simonson, Md Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Mary K. Simonson, MD PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 K. Simonson, MD PLLC's NPI number?
The NPI number for Mary K. Simonson, MD PLLC is 1295334555. It was assigned to this organization in the NPPES registry on October 19, 2020. The provider was formerly known as Mary K. Simonson, MD.
Where is Mary K. Simonson, MD PLLC located?
Mary K. Simonson, MD PLLC is located at 4041 Ruston Way Ste 202, Tacoma, WA 98402. The listed phone number is (253) 759-0288.
What is Mary K. Simonson, MD PLLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.
Is Mary K. Simonson, MD PLLC enrolled in Medicare?
Yes. Mary K. Simonson, MD PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mary K. Simonson, MD PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Mary K. Simonson, MD PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mary K. Simonson, MD PLLC was last updated on October 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 K. Simonson, Md Pllc · NPI 1295334555
Medical Specialty organization in Tacoma, Washington. Organization record, active in the CMS NPPES registry since October 19, 2020.
## Identity
- **NPI:** 1295334555 (Entity type: Organization)
- **Enumerated:** October 19, 2020
- **Primary specialty:** Clinic/Center - Medical Specialty · taxonomy 261QM2500X
- **Also known as:** Mary K. Simonson, MD (Former Legal Business Name)
- **Organization subpart:** No
- **Authorized official:** Mary Simonson, OWNER
## Practice location
- **Address:** 4041 RUSTON WAY STE 202, Tacoma, WA 98402-5300
- **Phone:** (253) 759-0288 · **Fax:** (253) 761-3288
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Psychiatry) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 19, 2020
- **Other identifiers:** Other MD0021289 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1295334555) · Data from the CMS NPPES public registry.