John Erikson Yap, M.D.
Gastroenterology Physician · St George, UT
John Erikson Yap, M.D. is a gastroenterology physician with a practice address in St George, Utah, and NPI 1184912529, issued on Jul 19, 2011. Check the license (Utah 13239672-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- John Erikson Yap
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 13239672-1205 UT
079760 GA
125059055 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1380 E Medical Center Dr Ste 4100, St George, UT 84790
- Phone
- (435) 251-3800
- Enumerated
- Jul 19, 2011
- Record last updated
- Jun 27, 2024
- Fax
- (435) 251-3801
- Medicare enrollment
- Enrolled (PECOS I20230912000826); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 149 in Utah → Look up another NPI →
Also registered at 1380 E Medical Center Dr Ste 4100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deborah Barton, NPAdult Health Nurse Practitioner1548234222
- Christopher Flannery, MDGastroenterology Physician1538396411
- Allan Gunnerson, D.O.Gastroenterology Physician1407081524
- Megan Hubbard, DOGastroenterology Physician1538671383
- Lonny Krause, APRN , NP-CFamily Nurse Practitioner1528523206
- Nicholas Laffely, M.D.Cardiovascular Disease Physician1801981410
Verify John Erikson Yap in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 13239672-1205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average gastroenterology physician in 2024
46 Medicare Part D claims for 29 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium20 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): 77.8 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: $22,918.55
52 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, 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
- Ihc Health Services IncSt George, UT
- University OF Utah Adult ServicesSalt Lake City, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Erikson Yap among 149 gastroenterology physician records in Utah
John Erikson Yap, M.D. is one of 149 gastroenterology physician records with a practice address in Utah. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 72% of them.
- NPI issued2011 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2008 · median 2004 among the 103 with a school on file
- Record last updated2024 · 55% 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 Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Utah
There are 149 gastroenterology physician records in Utah.
All 149 in Utah → Every provider in St George → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Tyson Amundsen, MDSt George, UT 847901013573054
- James Bown, M.D.St George, UT 847901629081260
- Scott Diamond, DOSt George, UT 847901730684432
- Christopher Flannery, MDSt George, UT 847901538396411
- Edward Frech, MDSt George, UT 847901942496757
- Allan Gunnerson, D.O.St George, UT 847901407081524
- Megan Hubbard, DOSt George, UT 847901538671383
- George Jeung, D.O.St George, UT 847901275982464
Common questions
What is John Erikson Yap, M.D.'s NPI number?
John Erikson Yap, M.D.'s National Provider Identifier (NPI) is 1184912529, issued on Jul 19, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John Erikson Yap, M.D. located?
The NPPES record lists a practice address at 1380 E Medical Center Dr Ste 4100, St George, UT, 84790. Phone: (435) 251-3800. Providers update this record themselves, so call before visiting.
How can I verify John Erikson Yap, M.D.'s license?
NPPES lists Utah license number 13239672-1205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Erikson Yap, M.D. prescribe under Medicare Part D?
In 2024, John Erikson Yap, M.D. had 46 Medicare Part D claims for 29 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is John Erikson Yap, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.8 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.