Kenneth Gerald Oleszek, MD
Internal Medicine Physician · Denver, CO
Kenneth Gerald Oleszek, MD is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1902878291, issued on Feb 2, 2006. Check the license (Colorado 32815, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kenneth Gerald Oleszek
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 32815 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2774 E 2ND Ave, Denver, CO 80206
- Phone
- (303) 355-4772
- Enumerated
- Feb 2, 2006
- Record last updated
- Jun 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 2774 E 2ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Quigley, DDSGeneral Practice Dentistry1750548624
Verify Kenneth Gerald Oleszek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 32815Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $5,268.37
14 payments; by number, the most common kind was food and beverage; the largest payer was Galderma Laboratories, L.P. The 50,334 providers of this specialty with any payment received $1,303.06 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.
493 internal medicine physician records list a practice address in Denver
They are 493 of the 25,068 NPPES records with a practice address in Denver, and 2,046 internal medicine physician records in Colorado.
All 493 in Denver → All 2,046 in Colorado → Every provider in Denver →
Other internal medicine physician records in Colorado
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- Sahar Abdelqader, MDLongmont, CO1366600710
- Ahmed Abdulrahman, MDPueblo, CO1093425068
- Durant Abernethy, M.D.Frisco, CO1427289040
- Alan Aboaf, MDCentennial, CO1003866393
- Adam Abraham, MDAurora, CO1720178304
- Phebe Abraham, MDGreeley, CO1558980540
- Richard Abrams, M.D.Denver, CO1174645386
Common questions
What is Kenneth Gerald Oleszek, MD's NPI number?
Kenneth Gerald Oleszek, MD's National Provider Identifier (NPI) is 1902878291, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Gerald Oleszek, MD located?
The NPPES record lists a practice address at 2774 E 2ND Ave, Denver, CO, 80206. Phone: (303) 355-4772. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Gerald Oleszek, MD's license?
NPPES lists Colorado license number 32815, 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.
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.