JAROSLAW J KOTLARCZYK M.D.
NPI 1972661296
Anesthesiology in Anacortes, WA
About Jaroslaw J Kotlarczyk M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAROSLAW J KOTLARCZYK M.D. (NPI 1972661296) is an individual anesthesiology provider in Anacortes, Washington, licensed in Washington (MD33166) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with St Joseph Medical Center, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Jaroslaw J Kotlarczyk M.d. 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
10Medicare enrollment records show Jaroslaw Kotlarczyk reassigns Medicare billing to 10 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
Silverdale, WA 98383
- Reassigned Medicare billing, Washington enrollment
- 1,526 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 clinicians in this Medicare group
Redding, CA 96001
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Santa Rosa, CA 95404
- Reassigned Medicare billing, California enrollment
- 140 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
San Ramon, CA 94583
- Reassigned Medicare billing, California enrollment
- 176 clinicians in this Medicare group
Los Gatos, CA 95032
- Reassigned Medicare billing, California enrollment
- 140 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 241 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 7
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.
St Joseph Medical Center
Acute Care Hospitals · Tacoma, 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.
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 Jaroslaw Kotlarczyk's NPI number?
The NPI number for Jaroslaw Kotlarczyk is 1972661296. It was assigned to this individual provider in the NPPES registry on December 6, 2006.
Where is Jaroslaw Kotlarczyk located?
Jaroslaw Kotlarczyk practices at 1211 24th St, Anacortes, WA 98221. The listed phone number is (360) 293-3181.
What is Jaroslaw Kotlarczyk's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Jaroslaw Kotlarczyk enrolled in Medicare?
Yes. Jaroslaw Kotlarczyk 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 Jaroslaw Kotlarczyk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jaroslaw Kotlarczyk reassigns Medicare benefits to 10 organizations: Public Hospital District No 2 Skagit County Washington (Anacortes, WA), Providence Wa Anesthesia Services, P.C. (Everett, WA), Franciscan Medical Group (Silverdale, WA), The Association Of University Physicians (Seattle, WA), Cep America - Anesthesia PC (Redding, CA) and 5 more organizations, listed in the Medicare section above. 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 Jaroslaw Kotlarczyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jaroslaw Kotlarczyk accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Jaroslaw Kotlarczyk 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 Jaroslaw Kotlarczyk affiliated with any hospitals?
According to CMS data, Jaroslaw Kotlarczyk is affiliated with St Joseph Medical Center.
When was this NPI record last updated?
The NPPES record for Jaroslaw Kotlarczyk was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Jaroslaw J Kotlarczyk, M.D. · NPI 1972661296
Anesthesiology physician in Anacortes, Washington. Individual provider, active in the CMS NPPES registry since December 6, 2006.
## Identity
- **NPI:** 1972661296 (Entity type: Individual)
- **Enumerated:** December 6, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD33166 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1211 24TH ST, Anacortes, WA 98221-2562
- **Phone:** (360) 293-3181
## 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:** 10 organizations under Medicare reassignment (form CMS-855R): Public Hospital District No 2 Skagit County Washington (NPI 1356591077, Anacortes, WA); Providence Wa Anesthesia Services, P.C. (NPI 1669615894, Everett, WA); Franciscan Medical Group (NPI 1710432612, Silverdale, WA); The Association Of University Physicians (NPI 1023041159, Seattle, WA); Cep America - Anesthesia PC (NPI 1013561851, Redding, CA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** June 30, 2025
- **Other identifiers:** Other 0114KO (WA); Medicaid 8212029 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1972661296) · Data from the CMS NPPES public registry.