BENJAMIN E SIAPCO CRNA
NPI 1487766457
Nurse Anesthetist, Certified Registered in Mount Vernon, WA
About Benjamin E Siapco Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BENJAMIN E SIAPCO CRNA (NPI 1487766457) is an individual nurse anesthetist, certified registered in Mount Vernon, Washington, licensed in Washington (RN00156113) and active in the NPI registry since August 2006. He is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Benjamin E Siapco Crna 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
3Medicare enrollment records show Benjamin Siapco reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 83 clinicians in this Medicare group
Federal Way, WA 98003
- Reassigned Medicare billing, Washington enrollment
- 148 clinicians in this Medicare group
Federal Way, WA 98003
- Reassigned Medicare billing, Washington enrollment
- 22 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 4
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 98274 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNT VERNON, WA 98274
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 Benjamin Siapco's NPI number?
The NPI number for Benjamin Siapco is 1487766457. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Benjamin Siapco located?
Benjamin Siapco practices at 2100 Little Mountain Ln, Mount Vernon, WA 98274. The listed phone number is (360) 416-6735.
What is Benjamin Siapco's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Benjamin Siapco enrolled in Medicare?
Yes. Benjamin Siapco 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 Benjamin Siapco's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Siapco reassigns Medicare benefits to 3 organizations: Paceline Anesthesia, PLLC (Bellevue, WA), Washington Gastroenterology PLLC (Federal Way, WA) and Evergreen Eye Anesthesia PLLC (Federal Way, 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 Benjamin Siapco'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 Benjamin Siapco was last updated on June 9, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Benjamin E Siapco, CRNA · NPI 1487766457
Nurse Anesthetist, Certified Registered physician in Mount Vernon, Washington. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1487766457 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN00156113 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2100 LITTLE MOUNTAIN LN, Mount Vernon, WA 98274-8752
- **Phone:** (360) 416-6735 · **Fax:** (360) 424-6924
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Paceline Anesthesia, PLLC (NPI 1417273780, Bellevue, WA); Washington Gastroenterology PLLC (NPI 1245265826, Federal Way, WA); Evergreen Eye Anesthesia PLLC (NPI 1134839319, Federal Way, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** June 9, 2010
- **Other identifiers:** Other 0228823 (WA); Medicare PIN PENDING (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1487766457) · Data from the CMS NPPES public registry.