Ryan Robert McWilliams, MD
Gastroenterology Physician · Greeley, CO
Ryan Robert McWilliams, MD is a gastroenterology physician with a practice address in Greeley, Colorado, and NPI 1326214727, issued on May 6, 2008. Check the license (Colorado 51550, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ryan Robert McWilliams
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 51550 CO
DR.0051550 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2010 16TH St, Greeley, CO 80631
- Phone
- (970) 378-4475
- Enumerated
- May 6, 2008
- Record last updated
- Apr 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140627000922); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2008
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 334 in Colorado → Look up another NPI →
Verify Ryan Robert McWilliams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 51550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average gastroenterology physician in 2024
490 Medicare Part D claims for 266 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Pantoprazole Sodium117 claims
- Sod Sulf-Potass Sulf-Mag Sulf91 claims
- Omeprazole51 claims
- Colestipol Hcl34 claims
- Sutab25 claims
- Gavilyte-G15 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 practice group's MIPS final score for 2023 (Medicare payment program): 77.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $129.28
6 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
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
- Peak Gastroenterology AssociatesColorado Springs, CO
- Portercare Adventist Health SystemCastle Rock, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Robert McWilliams among 334 gastroenterology physician records in Colorado
Ryan Robert McWilliams, MD 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 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 31% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2008 · median 2003 among the 258 with a school on file
- Record last updated2021 · 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.
All 334 in Colorado → Every provider in Greeley → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jasmin Deneault, MDGreeley, CO 806311629295043
- Gretchen Evans, MD, MPHGreeley, CO 806311184144230
- Steven Kading, MDGreeley, CO 806311033197900
- Veronika Panah, M.D.Greeley, CO 806311013113547
- Thomas Dowgin, MDGreeley, CO 806341669578464
- Jimmy Giang, D.O.Greeley, CO 806341073933941
- Ana Huerta Alardin, MDGreeley, CO 806341215198817
- Noah Settergren, D.O.Greeley, CO 806341285072587
Common questions
What is Ryan Robert McWilliams, MD's NPI number?
Ryan Robert McWilliams, MD's National Provider Identifier (NPI) is 1326214727, issued on May 6, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Robert McWilliams, MD located?
The NPPES record lists a practice address at 2010 16TH St, Greeley, CO, 80631. Phone: (970) 378-4475. Providers update this record themselves, so call before visiting.
How can I verify Ryan Robert McWilliams, MD's license?
NPPES lists Colorado license number 51550, 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 Ryan Robert McWilliams, MD prescribe under Medicare Part D?
In 2024, Ryan Robert McWilliams, MD had 490 Medicare Part D claims for 266 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Ryan Robert McWilliams, MD's MIPS final score?
The 2023 MIPS final score is 77.2 of 100, reported for the practice group. 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.