DR. JOSEPH ZAJCHOWSKI MD
NPI 1992751572
Emergency Medicine in Durango, CO
About Dr. Joseph Zajchowski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH ZAJCHOWSKI MD (NPI 1992751572) is an individual emergency medicine provider in Durango, Colorado, licensed in Michigan (4301067717) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Mclaren Oakland, and is a graduate of Wayne State University School Of Medicine (1995).
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. Joseph Zajchowski Md 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
11Medicare enrollment records show Joseph Zajchowski reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Guernsey, WY 82214
- Reassigned Medicare billing, Wyoming enrollment
- 35 clinicians in this Medicare group
Torrington, WY 82240
- Reassigned Medicare billing, Wyoming enrollment
- 64 clinicians in this Medicare group
Worland, WY 82401
- Reassigned Medicare billing, Wyoming enrollment
- 46 clinicians in this Medicare group
Lansing, MI 48910
- Reassigned Medicare billing, Michigan enrollment
- 295 clinicians in this Medicare group
Petoskey, MI 49770
- Reassigned Medicare billing, Michigan enrollment
- 45 clinicians in this Medicare group
Owosso, MI 48867
- Reassigned Medicare billing, Michigan enrollment
- 52 clinicians in this Medicare group
Flushing, MI 48433
- Reassigned Medicare billing, Michigan enrollment
- 416 clinicians in this Medicare group
Flint, MI 48532
- Reassigned Medicare billing, Michigan enrollment
- 444 clinicians in this Medicare group
Lapeer, MI 48446
- Reassigned Medicare billing, Michigan enrollment
- 63 clinicians in this Medicare group
Littleton, NH 03561
- Reassigned Medicare billing, New Hampshire enrollment
- 219 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
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.
Mclaren Oakland
Acute Care Hospitals · Pontiac, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 81301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Joseph Zajchowski's NPI number?
The NPI number for Joseph Zajchowski is 1992751572. It was assigned to this individual provider in the NPPES registry on May 26, 2006.
Where is Joseph Zajchowski located?
Joseph Zajchowski practices at 7532 County Road 250, Durango, CO 81301. The listed phone number is (810) 814-0669.
What is Joseph Zajchowski's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Joseph Zajchowski enrolled in Medicare?
Yes. Joseph Zajchowski 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 Joseph Zajchowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Zajchowski reassigns Medicare benefits to 11 organizations: Platte County Hospital (Guernsey, WY), Community Hospital (Torrington, WY), Washakie Medical Center (Worland, WY), Degara App, PLLC (Lansing, MI), Ecs Northern Michigan PC (Petoskey, MI) and 6 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 Joseph Zajchowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Zajchowski accept?
Health plans from Blue Cross Blue Shield of Wyoming and Priority Health list Joseph Zajchowski 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 Joseph Zajchowski affiliated with any hospitals?
According to CMS data, Joseph Zajchowski is affiliated with Mclaren Oakland.
When was this NPI record last updated?
The NPPES record for Joseph Zajchowski was last updated on March 22, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. Joseph Zajchowski, MD · NPI 1992751572
Emergency Medicine physician in Durango, Colorado. Individual provider, active in the CMS NPPES registry since May 26, 2006.
## Identity
- **NPI:** 1992751572 (Entity type: Individual)
- **Enumerated:** May 26, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 4301067717 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 7532 COUNTY ROAD 250, Durango, CO 81301-8625
- **Phone:** (810) 814-0669
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Platte County Hospital (NPI 1174052989, Guernsey, WY); Community Hospital (NPI 1669410643, Torrington, WY); Washakie Medical Center (NPI 1255368593, Worland, WY); Degara App, PLLC (NPI 1265976971, Lansing, MI); Ecs Northern Michigan PC (NPI 1992231377, Petoskey, MI); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** March 22, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1992751572) · Data from the CMS NPPES public registry.