NPPES file of Aug 9, 2026

John Michael Fessenden, M.D.

Surgery Physician · Greeley, CO

John Michael Fessenden, M.D. is a surgery physician with a practice address in Greeley, Colorado, and NPI 1407878598, issued on Jul 24, 2006. Check the license on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407878598
Name
John Michael Fessenden
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
200300465 NC
Self-reported in NPPES; status is on the state search
Practice location
1900 16TH St, Greeley, CO 80631
Phone
(970) 350-2426
Enumerated
Jul 24, 2006
Record last updated
Oct 31, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(970) 350-2478
Medicare enrollment
Enrolled (PECOS I20180927002660); accepts Medicare assignment
Medical or professional school
Creighton University School Of Medicine, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1900 16TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tyler Abbey, DOInternal Medicine Physician1730572694
  2. Leandra Bazan, PA-C, MTPhysician Assistant1407947286
  3. Mark Berntsen, MDInternal Medicine Physician1730166687
  4. Robert Cash, MDInternal Medicine Physician1285611152
  5. John Charbonneau, MDOccupational Medicine Physician1942272752
  6. Janell Durnen, MSN, APN, FNP-BCFamily Nurse Practitioner1265874929

Verify John Michael Fessenden in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

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27% fewer Medicare Part D claims than the average surgery physician in 2024

108 Medicare Part D claims for 78 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 69 claims were for opioids.

  1. John Fessenden108
  2. Specialty average147

Most prescribed

  1. Oxycodone-Acetaminophen62 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.

The MIPS final score for 2023 (Medicare payment program): 97.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Poudre Valley Medical Group LLCCastle Rock, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Michael Fessenden among 608 surgery physician records in Colorado

John Michael Fessenden, M.D. 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. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 58% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1997 · median 2005 among the 370 with a school on file
  • Record last updated2018 · 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.

The 8 surgery physician records with the nearest ZIP codes

  1. Molly Decker, DOGreeley, CO 806311194972091
  2. Lesley Fraser, MDGreeley, CO 806311154309011
  3. Michael Johnell, MDGreeley, CO 806311790700029
  4. Charles Marriott, MDGreeley, CO 806311871122135
  5. Jason Ogren, MDGreeley, CO 806311275574758
  6. Michael Peetz, MDGreeley, CO 806311255319927
  7. James Schiefen, DOGreeley, CO 806311477525285
  8. Joseph Tyburczy, MDGreeley, CO 806311386682086

Common questions

What is John Michael Fessenden, M.D.'s NPI number?

John Michael Fessenden, M.D.'s National Provider Identifier (NPI) is 1407878598, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Michael Fessenden, M.D. located?

The NPPES record lists a practice address at 1900 16TH St, Greeley, CO, 80631. Phone: (970) 350-2426. Providers update this record themselves, so call before visiting.

How can I verify John Michael Fessenden, M.D.'s license?

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 John Michael Fessenden, M.D. prescribe under Medicare Part D?

In 2024, John Michael Fessenden, M.D. had 108 Medicare Part D claims for 78 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is John Michael Fessenden, M.D.'s MIPS final score?

The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.