MR. CHARLES J RUZKOWSKI MD
NPI 1669576757
Internal Medicine - Gastroenterology in Pueblo, CO
About Mr. Charles J Ruzkowski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. CHARLES J RUZKOWSKI MD (NPI 1669576757) is an individual gastroenterology provider in Pueblo, Colorado, licensed in Colorado (39991) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Hilo Medical Center, and is a graduate of Chicago College Of Medicine And Surgery (1982).
NPPES Registry Identity
Specialties & Licenses
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
Mr. Charles J Ruzkowski 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
7Medicare enrollment records show Charles Ruzkowski reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pueblo, CO 81003
- Reassigned Medicare billing, Colorado enrollment
- 8 clinicians in this Medicare group
Berthoud, CO 80513
- Reassigned Medicare billing, Colorado enrollment
- 324 clinicians in this Medicare group
Albuquerque, NM 87109
- Reassigned Medicare billing, New Mexico enrollment
- 554 clinicians in this Medicare group
Deer Lodge, MT 59722
- Reassigned Medicare billing, Montana enrollment
- 30 clinicians in this Medicare group
Kailua Kona, HI 96740
- Reassigned Medicare billing, Hawaii enrollment
- 60 clinicians in this Medicare group
Hilo, HI 96720
- Reassigned Medicare billing, Hawaii enrollment
- 263 clinicians in this Medicare group
Pahala, HI 96777
- Reassigned Medicare billing, Hawaii enrollment
- 208 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hilo Medical Center
Acute Care Hospitals · Hilo, HIKona Community Hospital
Acute Care Hospitals · Kealakekua, HIDeer Lodge Medical Center
Critical Access Hospitals · Deer Lodge, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 81003 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.
PUEBLO, CO 81003
PUEBLO, CO 81003
PUEBLO, CO 81003
PUEBLO, CO 81003
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 Charles Ruzkowski's NPI number?
The NPI number for Charles Ruzkowski is 1669576757. It was assigned to this individual provider in the NPPES registry on September 11, 2006.
Where is Charles Ruzkowski located?
Charles Ruzkowski practices at 1600 N Grand Ave Suite 150, Pueblo, CO 81003. The listed phone number is (719) 595-7680.
What is Charles Ruzkowski's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Charles Ruzkowski enrolled in Medicare?
Yes. Charles Ruzkowski 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 Charles Ruzkowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Ruzkowski reassigns Medicare benefits to 7 organizations: Digestive Diseases Specialists Of Colorado,llc (Pueblo, CO), Banner Health Physicians Colorado LLC (Berthoud, CO), Southwest Medical Associates, LLC (Albuquerque, NM), Powell County Memorial Hospital Association Inc (Deer Lodge, MT), Alii Health Center (Kailua Kona, HI) and 2 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 Charles Ruzkowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Ruzkowski accept?
Health plans from Blue Cross and Blue Shield of Montana, HMSA, Mountain Health CO-OP and PacificSource Health Plans list Charles Ruzkowski 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 Charles Ruzkowski affiliated with any hospitals?
According to CMS data, Charles Ruzkowski is affiliated with Hilo Medical Center, Kona Community Hospital and Deer Lodge Medical Center.
When was this NPI record last updated?
The NPPES record for Charles Ruzkowski was last updated on May 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Mr. Charles J Ruzkowski, MD · NPI 1669576757
Gastroenterology physician in Pueblo, Colorado. Individual provider, active in the CMS NPPES registry since September 11, 2006.
## Identity
- **NPI:** 1669576757 (Entity type: Individual)
- **Enumerated:** September 11, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 39991 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1600 N GRAND AVE, SUITE 150, Pueblo, CO 81003-2749
- **Phone:** (719) 595-7680 · **Fax:** (719) 595-7687
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Digestive Diseases Specialists Of Colorado,llc (NPI 1033135330, Pueblo, CO); Banner Health Physicians Colorado LLC (NPI 1669733291, Berthoud, CO); Southwest Medical Associates, LLC (NPI 1164491072, Albuquerque, NM); Powell County Memorial Hospital Association Inc (NPI 1275560617, Deer Lodge, MT); Alii Health Center (NPI 1285107698, Kailua Kona, HI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Chicago College Of Medicine And Surgery, class of 1982
## Record status
- **NPPES last updated:** May 1, 2025
- **Other identifiers:** Medicaid 90023030 (CO)
---
Source: [NPI Profile](https://npiprofile.com/npi/1669576757) · Data from the CMS NPPES public registry.