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DR. KRISTINA SIU PETSAS M.D.
NPI 1003159948
Family Medicine in Tacoma, WA

Active since March 28, 2013PECOS Enrolled
209 MARTIN LUTHER KING JR WAY, TACOMA, WA 98405(253) 596-3300 Get Directions Write a Review

NPPES record last updated: April 28, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 28, 2021, Aug 11, 2016 (2 updates tracked since 2016).

About Dr. Kristina Siu Petsas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KRISTINA SIU PETSAS M.D. (NPI 1003159948) is an individual family medicine provider in Tacoma, Washington, licensed in Washington (60674964) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Des Moines.

NPPES Registry Identity

NPI1003159948
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. KRISTINA SIU PETSASCredential: M.D.
Location Address209 MARTIN LUTHER KING JR WAYTacoma, WA 98405-4265
Mailing Address209 Martin Luther King Jr WayTacoma, WA 98405-4265 · (253) 596-3300
Phone(253) 596-3300
Sole ProprietorNo
Enumeration DateMarch 28, 2013
Last NPPES UpdateApril 28, 20212 updates tracked since enumeration
NPPES CertifiedApril 28, 2021
✔ NPI 1003159948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in WA · 60674964
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
209 MARTIN LUTHER KING JR WAY, Tacoma, WA 98405
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Other Names 1

Former Name (1)Kristina Alexis Siu M.d.

Secondary Practice Location 1

Location 12781 S 242nd StDes Moines, WA 98198-5166 · Phone (206) 212-4500

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kristina Siu Petsas M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Kristina Petsas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sea Mar Community Health Centers
0.6 mi
Federally Qualified Health Center (FQHC)
1307 S 11TH ST
Tacoma, WA 98405
  • Reassigned Medicare billing, Washington enrollment
  • 525 clinicians in this Medicare group
NPI 1457895740 (253) 682-2180
Kaiser Foundation Health Plan Of Washington
17 mi
Multi-Specialty
2715 NACHES AVE SW # GSWA1N02
Renton, WA 98057
  • Reassigned Medicare billing, Washington enrollment
  • 2,678 clinicians in this Medicare group
NPI 1124264577 (509) 241-7349

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 98405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ALEXANDRA CORNWALL PA-C
Physician Assistant
209 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Pierce County (253) 596-3300
MRS. ANNE GARCES LAPORTE D.O.
Family Medicine
209 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Pierce County (253) 596-3300
MR. CHRISTOPHER R WALSH PA-C
Physician Assistant
209 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Pierce County (253) 596-3300
DR. JOEL THOMAS MCFARLAND MD
Radiology (Diagnostic Radiology)
209 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Pierce County (253) 596-3300
JONATHAN P KRYMAN MD
Pain Medicine (Pain Medicine)
209 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Pierce County (253) 596-3300
JOHN C. OSGOOD M.D.
Orthopaedic Surgery
209 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Pierce County (253) 596-3300
DR. ANDREW KENNETH YU PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
209 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Pierce County (253) 383-7870
BARBARA SHERRY MEZGER MD
Emergency Medicine
209 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Pierce County (253) 596-3400

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 Kristina Petsas's NPI number?

The NPI number for Kristina Petsas is 1003159948. It was assigned to this individual provider in the NPPES registry on March 28, 2013. The provider is also known as Kristina Alexis Siu M.D..

Where is Kristina Petsas located?

Kristina Petsas practices at 209 Martin Luther King Jr Way, Tacoma, WA 98405. The listed phone number is (253) 596-3300.

What is Kristina Petsas's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Kristina Petsas enrolled in Medicare?

Yes. Kristina Petsas is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kristina Petsas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristina Petsas reassigns Medicare benefits to 2 organizations: Sea Mar Community Health Centers (Tacoma, WA) and Kaiser Foundation Health Plan Of Washington (Renton, WA). Each 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 Kristina Petsas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kristina Petsas was last updated on April 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.