DR. LAWRENCE P ZYSKOWSKI MD
NPI 1841289410
Internal Medicine - Rheumatology in Billings, MT
About Dr. Lawrence P Zyskowski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LAWRENCE P ZYSKOWSKI MD (NPI 1841289410) is an individual rheumatology provider in Billings, Montana, licensed in Colorado (41189) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Community Medical Center, and maintains a secondary practice location in Colorado Springs.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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. Lawrence P Zyskowski 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
2Medicare enrollment records show Lawrence Zyskowski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 1,264 clinicians in this Medicare group
Missoula, MT 59804
- Reassigned Medicare billing, Montana enrollment
- 192 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Community Medical Center
Acute Care Hospitals · Missoula, MTBitterroot Health - Daly Hospital
Critical Access Hospitals · Hamilton, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59101 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BILLINGS, MT 59101
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 Lawrence Zyskowski's NPI number?
The NPI number for Lawrence Zyskowski is 1841289410. It was assigned to this individual provider in the NPPES registry on October 17, 2005.
Where is Lawrence Zyskowski located?
Lawrence Zyskowski practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (406) 238-2500.
What is Lawrence Zyskowski's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Lawrence Zyskowski enrolled in Medicare?
Yes. Lawrence Zyskowski 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 Lawrence Zyskowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Zyskowski reassigns Medicare benefits to 2 organizations: Billings Clinic (Billings, MT) and Rchp Billings - Missoula LLC (Missoula, 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 Lawrence Zyskowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lawrence Zyskowski accept?
Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Lawrence Zyskowski 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 Lawrence Zyskowski affiliated with any hospitals?
According to CMS data, Lawrence Zyskowski is affiliated with Community Medical Center and Bitterroot Health - Daly Hospital.
When was this NPI record last updated?
The NPPES record for Lawrence Zyskowski was last updated on February 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Lawrence P Zyskowski, MD · NPI 1841289410
Rheumatology physician in Billings, Montana. Individual provider, active in the CMS NPPES registry since October 17, 2005.
## Identity
- **NPI:** 1841289410 (Entity type: Individual)
- **Enumerated:** October 17, 2005
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 41189 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 N 29TH ST, Billings, MT 59101
- **Phone:** (406) 238-2500
## 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): Billings Clinic (NPI 1376598714, Billings, MT); Rchp Billings - Missoula LLC (NPI 1376946913, Missoula, MT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 1977
## Record status
- **NPPES last updated:** February 24, 2022
- **Other identifiers:** Medicaid 32606761 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1841289410) · Data from the CMS NPPES public registry.