John Erikson Yap, M.D.
NPI 1184912529ActiveIndividual· Internal Medicine, Gastroenterology· St George, UT
Internal Medicine, Gastroenterology (M.D.) with Ihc Health Services Inc and 1 other group, practicing in St George, Utah. Mostly services rather than prescriptions: Medicare paid $22,377 for 122 patients in 2024, with only 46 Part D claims. Phathom Pharmaceuticals, Inc. was the largest of 12 companies reporting payments in 2025, $61,193 in all, mostly speaking and faculty fees. Lists Holy Cross Hospital - Salt Lake and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1184912529 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2011 |
| Last updated in NPPES | Jun 27, 2024 |
| Certified by provider | Jun 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 13239672-1205 | UT |
| Internal Medicine | 207R00000X | 125059055 | IL |
| Internal Medicine, Gastroenterology | 207RG0100X | 079760 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (GA); Practitioner - Gastroenterology (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 122 |
|---|---|
| Services billed | 218 across 27 procedure codes |
| Paid by Medicare | $22,377 |
Part D prescriptions in 2024
| Prescriptions (claims) | 46 · 72 30-day fills |
|---|---|
| Patients | 29 |
| Total drug cost | $9,326 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Ihc Health Services IncMurray, UT · 3,960 clinicians
- University of Utah Adult ServicesFarmington, UT · 1,788 clinicians
Hospital affiliations
- Holy Cross Hospital - Salt LakeSalt Lake City, UT
- Intermountain Health Logan Regional HospitalLogan, UT
- University of Utah Hospital and ClinicsSalt Lake City, UT
Industry payments (Open Payments)
- 2025$61,193 · 105 payments from 12 companies
- 2024$22,919 · 56 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $36,930 | 32 |
| US Endoscopy | $11,000 | 3 |
| Steris Corporation | $4,446 | 20 |
| Boston Scientific Corporation | $4,183 | 27 |
| Laborie Medical Technologies Corp. | $2,198 | 3 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$29,400 · 8 payments
- Consulting Fee$13,000 · 5 payments
- Travel and Lodging$12,697 · 29 payments
- Food and Beverage$6,096 · 63 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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