DR. PIOTR MICHALOWSKI MD, PHD
NPI 1942301163
Anesthesiology in Seattle, WA
About Dr. Piotr Michalowski Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PIOTR MICHALOWSKI MD, PHD (NPI 1942301163) is an individual anesthesiology provider in Seattle, Washington, licensed in Washington (MD00036271) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Other (1980).
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. Piotr Michalowski Md, Phd 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 Piotr Michalowski reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bozeman, MT 59718
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: Billings Clinic
- 1,264 clinicians in this Medicare group
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 45 clinicians in this Medicare group
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 86 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Billings Clinic
Acute Care Hospitals · Billings, MTMedicare 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.
SEATTLE, WA 98108
SEATTLE, WA 98108
SEATTLE, WA 98108
SEATTLE, WA 98108
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 Piotr Michalowski's NPI number?
The NPI number for Piotr Michalowski is 1942301163. It was assigned to this individual provider in the NPPES registry on September 26, 2006.
Where is Piotr Michalowski located?
Piotr Michalowski practices at 1660 S Columbian Way VA Pshcs, Anesthesia / Or Services; S-112a, Seattle, WA 98108. The listed phone number is (206) 764-2157.
What is Piotr Michalowski's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Piotr Michalowski enrolled in Medicare?
Yes. Piotr Michalowski 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 Piotr Michalowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Piotr Michalowski reassigns Medicare benefits to 3 organizations: Billings Cinic (Bozeman, MT), Anesthesia Partners Of Montana PC (Billings, MT) and Granite Peak Anesthesiology Consultants (Billings, MT). 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 Piotr Michalowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Piotr Michalowski accept?
Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Piotr Michalowski 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 Piotr Michalowski affiliated with any hospitals?
According to CMS data, Piotr Michalowski is affiliated with Billings Clinic.
When was this NPI record last updated?
The NPPES record for Piotr Michalowski was last updated on October 11, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Piotr Michalowski, MD, PHD · NPI 1942301163
Anesthesiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since September 26, 2006.
## Identity
- **NPI:** 1942301163 (Entity type: Individual)
- **Enumerated:** September 26, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD00036271 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1660 S COLUMBIAN WAY, VA PSHCS, ANESTHESIA / OR SERVICES; S-112A, Seattle, WA 98108-1532
- **Phone:** (206) 764-2157 · **Fax:** (206) 764-2914
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Billings Cinic (NPI 1215660840, Bozeman, MT); Anesthesia Partners Of Montana PC (NPI 1255330791, Billings, MT); Granite Peak Anesthesiology Consultants (NPI 1700637907, Billings, MT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1980
## Record status
- **NPPES last updated:** October 11, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1942301163) · Data from the CMS NPPES public registry.