Charles J. Ruzkowski, MD
Gastroenterology Physician · Pueblo, CO
Charles J. Ruzkowski, MD is a gastroenterology physician with a practice address in Pueblo, Colorado, and NPI 1669576757, issued on Sep 11, 2006. Check the license (Colorado 39991, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charles J. Ruzkowski
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 39991 CO
MD-23100 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1600 N Grand Ave, Pueblo, CO 81003
- Phone
- (719) 595-7680
- Enumerated
- Sep 11, 2006
- Record last updated
- May 1, 2025
- Fax
- (719) 595-7687
- Medicaid ID
- 90023030 CO
- Medicare enrollment
- Enrolled (PECOS I20230213000384); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Medicine And Surgery, 1982
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 334 in Colorado → Look up another NPI →
Also registered at 1600 N Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carl Adams, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1669433751
- Susan Anderson, NPObstetrics & Gynecology Physician1437146479
- Lev Asherov, MDInternal Medicine Physician1164685228
- Neil Banga, M.D.Surgery Physician1306081237
- Gregory Berens, MDFamily Medicine Physician1245295013
- Gregory Berryman, MDObstetrics & Gynecology Physician1124192885
Verify Charles J. Ruzkowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 39991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average gastroenterology physician in 2024
78 Medicare Part D claims for 33 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium26 claims
- Omeprazole11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $136.30
2 payments; by number, the most common kind was travel and lodging; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
5 hospitals and group practices
- Hilo Benioff Medical CenterHilo, HI · Acute Care Hospitals3 of 5 stars
- Alii Health CenterKailua Kona, HI
- Digestive Diseases Specialists OF Colorado,llcPueblo, CO
- Kau HospitalHilo, HI · Critical Access Hospitals
- Powell County Memorial Hospital Association Inc.Deer Lodge, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Charles J. Ruzkowski among 334 gastroenterology physician records in Colorado
Charles J. Ruzkowski, MD is one of 334 gastroenterology physician records with a practice address in Colorado. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 53% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1982 · median 2003 among the 258 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Colorado
There are 334 gastroenterology physician records in Colorado.
All 334 in Colorado → Every provider in Pueblo → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Christopher Calcagno, D.O.Pueblo, CO 810031013178508
- Paula Dionisio, M.D.Pueblo, CO 810031669457263
- Henrique Fernandez, MDPueblo, CO 810031174770614
- William Murchison, MDPueblo, CO 810031417146846
- Lirio Polintan, MDPueblo, CO 810031437115409
- Maritza Proano, M.D.Pueblo, CO 810031194742676
- Rajiv Singh, MDPueblo, CO 810031386138741
- Nathan Vicknair, STUDENTPueblo, CO 810031376171298
Common questions
What is Charles J. Ruzkowski, MD's NPI number?
Charles J. Ruzkowski, MD's National Provider Identifier (NPI) is 1669576757, issued on Sep 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles J. Ruzkowski, MD located?
The NPPES record lists a practice address at 1600 N Grand Ave, Pueblo, CO, 81003. Phone: (719) 595-7680. Providers update this record themselves, so call before visiting.
How can I verify Charles J. Ruzkowski, MD's license?
NPPES lists Colorado license number 39991, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles J. Ruzkowski, MD prescribe under Medicare Part D?
In 2024, Charles J. Ruzkowski, MD had 78 Medicare Part D claims for 33 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.