AMBER POSTMA DO
NPI 1437539616
Family Medicine in Auburn, WA
About Amber Postma Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMBER POSTMA DO (NPI 1437539616) is an individual family medicine provider in Auburn, Washington, licensed in Washington (OP60774301) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Tacoma, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Other Identifiers 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
Amber Postma Do 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 Reassignments
2Medicare enrollment records show Amber Postma reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Auburn, WA 98092
- Reassigned Medicare billing, Texas enrollment
- 19 clinicians in this Medicare group
Fairbanks, AK 99701
- Reassigned Medicare billing, Texas enrollment
- 207 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 98092 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
AUBURN, WA 98092
AUBURN, WA 98092
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 Amber Postma's NPI number?
The NPI number for Amber Postma is 1437539616. It was assigned to this individual provider in the NPPES registry on June 3, 2015. The provider is also known as Amber Rose Sinicrope.
Where is Amber Postma located?
Amber Postma practices at 17500 SE 392nd St, Auburn, WA 98092. The listed phone number is (253) 939-6648.
What is Amber Postma's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Amber Postma enrolled in Medicare?
Yes. Amber Postma 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 organizations bill Medicare for Amber Postma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amber Postma reassigns Medicare benefits to 2 organizations: Muckleshoot Indian Tribe (Auburn, WA) and Tanana Chiefs Conference (Fairbanks, AK). 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 Amber Postma'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 Amber Postma was last updated on February 26, 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.