Tyler Aasen, D.O.
NPI 1740690205 · Gastroenterology Physician · West Des Moines, IA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tyler Aasen, D.O. is a Gastroenterology Physician provider in West Des Moines, IA (NPI 1740690205).
Provider details
- NPI number
- 1740690205
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- DO-05509 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 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
1,191 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) |
|---|---|---|
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 308 | $5 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 166 | $225 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 115 | $79 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 74 | $70 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 66 | $9 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 258 | 93 |
| Omeprazole | 149 | 48 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 146 | 140 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 142 | 140 |
| Famotidine | 36 | — |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Gavilyte-N | 16 | 16 |
| Lansoprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$382 across 6 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
- 2014-05-05
- Last updated
- 2023-12-11
- Certified
- 2023-12-11
Frequently asked questions
- What is Tyler Aasen's NPI number?
- Tyler Aasen's National Provider Identifier (NPI) is 1740690205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tyler Aasen's specialty?
- Tyler Aasen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Tyler Aasen located?
- Tyler Aasen's practice location on file with NPPES is 5950 University Ave Ste 221, West Des Moines, IA 50266-8231.
- What is Tyler Aasen's phone number?
- The practice phone number listed in the NPPES registry for Tyler Aasen is (515) 875-9115.
- Does Tyler Aasen accept Medicare?
- Tyler Aasen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tyler Aasen's NPI active?
- Yes — Tyler Aasen's NPI (1740690205) is active in the NPPES registry as of the last update on 2023-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.