DR. ROBERT WILLIAM CARTER D.O.
NPI 1033171475
Anesthesiology in Anacortes, WA
About Dr. Robert William Carter D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT WILLIAM CARTER D.O. (NPI 1033171475) is an individual anesthesiology provider in Anacortes, Washington, licensed in Washington (OP60272963) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Island Hospital, and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Dr. Robert William Carter D.o. 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 Robert Carter reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anacortes, WA 98221
- Reassigned Medicare billing, Washington enrollment
- 136 clinicians in this Medicare group
Everett, WA 98201
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Providence Wa Anesthesia Services, PC
- 171 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Island Hospital
Acute Care Hospitals · Anacortes, WAMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
ANACORTES, WA 98221
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 Robert Carter's NPI number?
The NPI number for Robert Carter is 1033171475. It was assigned to this individual provider in the NPPES registry on April 3, 2006.
Where is Robert Carter located?
Robert Carter practices at 1211 24th St, Anacortes, WA 98221. The listed phone number is (360) 299-1300.
What is Robert Carter's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Robert Carter enrolled in Medicare?
Yes. Robert Carter 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 Robert Carter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Carter reassigns Medicare benefits to 2 organizations: Public Hospital District No 2 Skagit County Washington (Anacortes, WA) and Providence Wa Anesthesia Services, P.C. (Everett, 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 Robert Carter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Carter accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Robert Carter as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Robert Carter affiliated with any hospitals?
According to CMS data, Robert Carter is affiliated with Island Hospital.
When was this NPI record last updated?
The NPPES record for Robert Carter was last updated on October 25, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Robert William Carter, D.O. · NPI 1033171475
Anesthesiology physician in Anacortes, Washington. Individual provider, active in the CMS NPPES registry since April 3, 2006.
## Identity
- **NPI:** 1033171475 (Entity type: Individual)
- **Enumerated:** April 3, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** OP60272963 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1211 24TH ST, Anacortes, WA 98221-2562
- **Phone:** (360) 299-1300
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Public Hospital District No 2 Skagit County Washington (NPI 1164447850, Anacortes, WA); Providence Wa Anesthesia Services, P.C. (NPI 1669615894, Everett, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** October 25, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1033171475) · Data from the CMS NPPES public registry.