MR. CHARLES J RUZKOWSKI (MD) – Gastroenterology Physician, NPI 1669576757

MR. CHARLES J RUZKOWSKI (MD) is a healthcare provider. based in Denver, Colorado. specializing in GASTROENTEROLOGY. They hold the professional credentials MD. They hold a License No. MD-23100 (HI). The NPI Number for MR. CHARLES J RUZKOWSKI (MD) is 1669576757

Main info

Male
44 Years Of Experience
Accepts Medicare Assignment
Name
MR. CHARLES J RUZKOWSKI (MD)
NPI
1669576757
Phone
(719) 595-7580
Address
PO BOX 560825
Enumeration Date
11 September 2006
Last Update Date
1 May 2025

Doctor Profile

Medical School Name
CHICAGO COLLEGE OF MEDICINE AND SURGERY
Secondary Phone
7195433500
Graduation Year
1982 (44 years ago)
PAC ID
4789648601
Group Practice PAC ID
8527022060
Professional Enrollment ID
I20041118001214
Address ID
CO810032760PU1600XAVEX407
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience71
Completeness75
Years active:19State licenses:2Digital endpointsOther names

369 GASTROENTEROLOGY in CO

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Provider Addresses for MR. CHARLES J RUZKOWSKI (MD)

  • Beet Box, 1030, East 22nd Avenue, Five Points, Denver, Denver County, Colorado, 80205, United States

    DENVER, CO 802560825

    Phone: (719) 595-7580

    Fax: (719) 545-0176

    Type: Mailing

  • 1600, North Grand Avenue, Mineral Palace, Pueblo, Pueblo County, Colorado, 81003, United States

    SUITE 150

    PUEBLO, CO 810032749

    Phone: (719) 595-7680

    Fax: (719) 595-7687

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 11 Open Payments records for all available years, with a total value of $1,555.

Total Amount is formed as General ($1,555) + Research ($0) + Ownership ($0) = $1,555.

Last reported payment date: 2024-04-19 • Largest payer in this snapshot: Boston Scientific Corporation ($1,350).

Total Amount

$1,555

General + Research + Ownership

Payments

11

Total payment records

General Amount

$1,555

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-04-19

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-12-30

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 4 Medicare enrollment records; no due dates published yet.

Enrollment records

4

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20041118001214IGastroenterologyCOTBD
I20230123000565IGastroenterologyNMTBD
I20230213000384IGastroenterologyHITBD
I20241230002440IGastroenterologyMTTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes4932$0
43235Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope2828$0
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes2828$0
99221Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes1414$0
View full utilization report →

Insurance plans in this area (ZIP 80256)

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Provider's Procedures

MR. CHARLES J RUZKOWSKI (MD) performs procedures in GASTROENTEROLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
GASTROENTEROLOGYCO43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope147138
GASTROENTEROLOGYCO45378Diagnostic examination of large bowel using an endoscope5452
GASTROENTEROLOGYCO45385Removal of polyps or growths of large bowel using an endoscope4746

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8527022060View full group profile
NameSpecialtyState
Certified Registered Nurse Anesthetist (Crna)CO
G A S T R O E N T E R O L O G YNM
Nurse PractitionerCO
-CO

Reviews

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Frequently asked questions

What federal number belongs to MR. CHARLES J RUZKOWSKI (MD)?
The federal identifier for MR. CHARLES J RUZKOWSKI (MD) is NPI 1669576757.
Is MR. CHARLES J RUZKOWSKI (MD) currently active in the NPI registry?
CMS-published data lists MR. CHARLES J RUZKOWSKI (MD) as an active registrant.
What field does MR. CHARLES J RUZKOWSKI (MD) work in?
You can think of MR. CHARLES J RUZKOWSKI (MD) as practicing within Gastroenterology Physician. Clinical services aligned with this taxonomy classification.
What location metadata exists for MR. CHARLES J RUZKOWSKI (MD)?
The page summarizes Denver, Colorado for MR. CHARLES J RUZKOWSKI (MD); expand the address list for detail.
How can I contact MR. CHARLES J RUZKOWSKI (MD)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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