Michael W. Johnell, MD
Surgery Physician · Greeley, CO
Michael W. Johnell, MD is a surgery physician with a practice address in Greeley, Colorado, and NPI 1790700029, issued on Jul 13, 2006. Check the license (Colorado 39436, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael W. Johnell
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 39436 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1801 16TH St, Greeley, CO 80631
- Phone
- (970) 378-4433
- Enumerated
- Jul 13, 2006
- Record last updated
- Dec 4, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 77174879 CO
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 608 in Colorado → Look up another NPI →
Also registered at 1801 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Costa AlimonosInternal Medicine Physician1235670712
- Rodger Anders, PA-CPhysician Assistant1710956917
- Renee Anderson, CRNACertified Registered Nurse Anesthetist1457339848
- Adrien Arling, PA-CSurgical Physician Assistant1255907382
- Sydney Aronson, MSPAS, PA-CSurgical Physician Assistant1376000653
- Ronald Baars, PHARMDPharmacist1649252867
Verify Michael W. Johnell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 39436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael W. Johnell among 608 surgery physician records in Colorado
Michael W. Johnell, MD is one of 608 surgery physician records with a practice address in Colorado. 74% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2009 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Colorado
There are 608 surgery physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 608 in Colorado → Every provider in Greeley → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Molly Decker, DOGreeley, CO 806311194972091
- John Fessenden, M.D.Greeley, CO 806311407878598
- Lesley Fraser, MDGreeley, CO 806311154309011
- Charles Marriott, MDGreeley, CO 806311871122135
- Jason Ogren, MDGreeley, CO 806311275574758
- Michael Peetz, MDGreeley, CO 806311255319927
- James Schiefen, DOGreeley, CO 806311477525285
- Joseph Tyburczy, MDGreeley, CO 806311386682086
Common questions
What is Michael W. Johnell, MD's NPI number?
Michael W. Johnell, MD's National Provider Identifier (NPI) is 1790700029, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael W. Johnell, MD located?
The NPPES record lists a practice address at 1801 16TH St, Greeley, CO, 80631. Phone: (970) 378-4433. Providers update this record themselves, so call before visiting.
How can I verify Michael W. Johnell, MD's license?
NPPES lists Colorado license number 39436, 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.