Nicolas Villa Guillen, M.D.
NPI 1265696553 · Gastroenterology Physician · Spokane, WA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicolas Villa Guillen, M.D. is a Gastroenterology Physician provider in Spokane, WA (NPI 1265696553).
Provider details
- NPI number
- 1265696553
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD60501812 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,049 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 272 | $242 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 270 | $76 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 109 | $71 |
| Insertion of Guide Wire With Dilation of Esophagus Using a Flexible Endoscope43248 | 94 | $145 |
| Review By Radiologist of Image From Tube Placement Into Bile Duct Using an Endoscope74328 | 44 | $24 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 628 | 618 |
| Ondansetronbrand: Ondansetron Odt | 599 | 574 |
| Pantoprazole Sodium | 228 | 88 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 107 | 105 |
| Famotidine | 37 | 13 |
| Omeprazole | 37 | 22 |
| Peg3350/Sod Sulf,bicarb,cl/Kcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,133 across 34 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-15
- Last updated
- 2021-09-28
- Certified
- 2021-09-28
Frequently asked questions
- What is Nicolas Villa Guillen's NPI number?
- Nicolas Villa Guillen's National Provider Identifier (NPI) is 1265696553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicolas Villa Guillen's specialty?
- Nicolas Villa Guillen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicolas Villa Guillen located?
- Nicolas Villa Guillen's practice location on file with NPPES is 910 W 5th Ave Ste 501, Spokane, WA 99204-2967.
- What is Nicolas Villa Guillen's phone number?
- The practice phone number listed in the NPPES registry for Nicolas Villa Guillen is (509) 838-2531.
- Does Nicolas Villa Guillen accept Medicare?
- Nicolas Villa Guillen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicolas Villa Guillen's NPI active?
- Yes — Nicolas Villa Guillen's NPI (1265696553) is active in the NPPES registry as of the last update on 2021-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.