NPPES file of Aug 9, 2026

Gretchen Evans, MD, MPH

Gastroenterology Physician · Greeley, CO

Gretchen Evans, MD, MPH is a gastroenterology physician with a practice address in Greeley, Colorado, and NPI 1184144230, issued on Jun 20, 2017. Check the license (Colorado DR0073055, as entered in NPPES) 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184144230
Name
Gretchen Evans
Credential
MD, MPH
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
DR0073055 CO
186014 CA
4301501928 MI
162158005 MO
Self-reported in NPPES; status is on the state search
Practice location
1801 16TH St, Greeley, CO 80631
Phone
(970) 810-4475
Enumerated
Jun 20, 2017
Record last updated
Jun 18, 2025
Medicaid ID
2019042328 MO
Medicare enrollment
Enrolled (PECOS I20240911001597); accepts Medicare assignment
Medical or professional school
Drexel University College Of Medicine, 2017
Telehealth
Offers telehealth (CMS)
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 1801 16TH St

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

  1. Costa AlimonosInternal Medicine Physician1235670712
  2. Rodger Anders, PA-CPhysician Assistant1710956917
  3. Renee Anderson, CRNACertified Registered Nurse Anesthetist1457339848
  4. Adrien Arling, PA-CSurgical Physician Assistant1255907382
  5. Sydney Aronson, MSPAS, PA-CSurgical Physician Assistant1376000653
  6. Ronald Baars, PHARMDPharmacist1649252867

Verify Gretchen Evans in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR0073055
    Check 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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91% fewer Medicare Part D claims than the average gastroenterology physician in 2024

74 Medicare Part D claims for 62 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.

  1. Gretchen Evans74
  2. Specialty average811

Most prescribed

  1. Peg-3350 And Electrolytes19 claims
  2. Omeprazole16 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: $1,816.96

16 payments; by number, the most common kind was food and beverage; 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.

  1. Gretchen Evans$1,816.96
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Banner Health Physicians Colorado LLCGreeley, CO
  2. Banner Hospital Based Physicians Colorado LLCGreeley, CO

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

Gretchen Evans among 334 gastroenterology physician records in Colorado

Gretchen Evans, MD, MPH 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 2017, is newer than 90% of them.

  • NPI issued2017 · 90% of these records are older, 7% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2017 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Jasmin Deneault, MDGreeley, CO 806311629295043
  2. Steven Kading, MDGreeley, CO 806311033197900
  3. Ryan McWilliams, MDGreeley, CO 806311326214727
  4. Veronika Panah, M.D.Greeley, CO 806311013113547
  5. Thomas Dowgin, MDGreeley, CO 806341669578464
  6. Jimmy Giang, D.O.Greeley, CO 806341073933941
  7. Ana Huerta Alardin, MDGreeley, CO 806341215198817
  8. Noah Settergren, D.O.Greeley, CO 806341285072587

Common questions

What is Gretchen Evans, MD, MPH's NPI number?

Gretchen Evans, MD, MPH's National Provider Identifier (NPI) is 1184144230, issued on Jun 20, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen Evans, MD, MPH located?

The NPPES record lists a practice address at 1801 16TH St, Greeley, CO, 80631. Phone: (970) 810-4475. Providers update this record themselves, so call before visiting.

How can I verify Gretchen Evans, MD, MPH's license?

NPPES lists Colorado license number DR0073055, 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 Gretchen Evans, MD, MPH prescribe under Medicare Part D?

In 2024, Gretchen Evans, MD, MPH had 74 Medicare Part D claims for 62 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.