John Kern Buckner, MD
Cardiovascular Disease Physician · Denver, CO
John Kern Buckner, MD is a cardiovascular disease physician with a practice address in Denver, Colorado, and NPI 1659390136, issued on Jul 18, 2006. Check the license (Colorado 24339, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Kern Buckner
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 24339 CO
DR.0024339 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Jackson St, Denver, CO 80206
- Phone
- (303) 834-7828
- Enumerated
- Jul 18, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (303) 479-7463
- Medicaid ID
- 01243393 CO
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 332 in Colorado → Look up another NPI →
Also registered at 1400 Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rafeul Alam, MDAllergy & Immunology Physician1790730687
- Jon Allison, PACMedical Physician Assistant1609812668
- Vivianne Allsop, MDRheumatology Physician1215499603
- Mark Aloia, MDPsychiatry Physician1295842607
Verify John Kern Buckner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 24339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Kern Buckner among 332 cardiovascular disease physician records in Colorado
John Kern Buckner, MD is one of 332 cardiovascular disease 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 not. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 48% newer
- In a Medicare fileNo · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Colorado
There are 332 cardiovascular disease physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 332 in Colorado → Every provider in Denver → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Ryan Cotter, M.D.Denver, CO 802061467879726
- Christopher Dyke, MDDenver, CO 802061891704409
- Niels Engberding, M.D.Denver, CO 802061700064342
- Christopher Fine, M.D.Denver, CO 802061134515950
- Andrew Freeman, MDDenver, CO 802061770748782
- Glenn Hirsch, M.D.Denver, CO 802061003868209
- Ruchika Husa, M.DDenver, CO 802061073769790
- Jennifer Jarvie, M.D.Denver, CO 802061790084945
Common questions
What is John Kern Buckner, MD's NPI number?
John Kern Buckner, MD's National Provider Identifier (NPI) is 1659390136, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Kern Buckner, MD located?
The NPPES record lists a practice address at 1400 Jackson St, Denver, CO, 80206. Phone: (303) 834-7828. Providers update this record themselves, so call before visiting.
How can I verify John Kern Buckner, MD's license?
NPPES lists Colorado license number 24339, 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. 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.