Doctor profile · Federal record
Dr. Ryan McWilliams, MD
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Greeley, CO
- NPI 1326214727
- Accepts Medicare
- MIPS 77.2 / 100 · 2023
- 18 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2010 16Th St, Ste A
Greeley, CO 80631
(970) 378-4475 - Mailing address
-
University of Colorado School of Medicine, 4200 East 9Th Ave.
Denver, CO 802620001
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- April 26, 2021
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Colorado #51550 · Colorado #DR.0051550
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326214727. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
373
Distinct HCPCS
10
Medicare allowed
$53,327
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 74 | 74 | $245 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 50 | 46 | $91 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 39 | 38 | $129 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 38 | 38 | $97 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 35 | 33 | $90 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 32 | 32 | $108 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 25 | 16 | $139 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 23 | 23 | $113 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 16 | 16 | $167 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 16 | $129 |
In context: peer comparison
Among 5 peers in Greeley Gastroenterology Physician, average services per provider: 50. This provider delivers 7.5× the peer median.Open Payments
Industry payments received
All-time total
$129
Transactions
6
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 2 | $60.51 | |
| Genzyme Corporation | 1 | $20.67 | |
| Lucid Diagnostics INC. | 1 | $17.46 | |
| Celgene Corporation | 1 | $16.95 | |
| Ardelyx, INC. | 1 | $13.69 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
409
Patients
259
Total drug cost
$26,933
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 140 | 66 | $2,686 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 90 | 89 | $7,067 |
| Omeprazole | Generic | 60 | 18 | $1,247 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 59 | 56 | $10,207 |
| Colestipol Hcl | Generic | 33 | 14 | $5,381 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 16 | 16 | $264 |
| Ondansetron Odt (Ondansetron) | Brand | 11 | 0 | $80 |
Frequently asked questions
What is Dr. Ryan McWilliams's medical specialty?
Dr. Ryan McWilliams practices Gastroenterology Physician in Greeley, CO.
Where does Dr. Ryan McWilliams practice?
Dr. Ryan McWilliams practices at 2010 16Th St, Greeley, CO 80631. Office phone: 9703784475.
What is Dr. Ryan McWilliams's NPI?
Dr. Ryan McWilliams's National Provider Identifier (NPI) is 1326214727, issued by NPPES.
Does Dr. Ryan McWilliams accept Medicare assignment?
Yes. Dr. Ryan McWilliams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan McWilliams commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.