Kong Peng Yap, M.D.
Gastroenterology Physician · Irvine, CA
Kong Peng Yap, M.D. is a gastroenterology physician with a practice address in Irvine, California, and NPI 1942235288, issued on Jul 12, 2006. Check the license (California A101486, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kong Peng Yap
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- A101486 CA
024681 LA
Self-reported in NPPES; status is on the state search - Practice location
- 33 Creek RD, Irvine, CA 92604
- Phone
- (949) 825-5198
- Enumerated
- Jul 12, 2006
- Record last updated
- Jan 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (949) 825-5309
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 33 Creek RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Randolph Aguilera, DDSDentist1285809996
- David Dudley, DDSDentist1578503637
- Mojgan Ehtemam, R.D.Registered Dietitian1912165903
- Brian Hilton, DDSDentist1477704328
- Janet Huang, D.O.Family Medicine Physician1144255183
- Lila Khalili, LCSWClinical Social Worker1609815455
Verify Kong Peng Yap in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A101486Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average gastroenterology physician in 2024
316 Medicare Part D claims for 124 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Omeprazole95 claims
- Gavilyte-G61 claims
- Famotidine35 claims
- Pantoprazole Sodium28 claims
- Peg-3350 And Electrolytes14 claims
- Mesalamine Er13 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.
Kong Peng Yap among 2,140 gastroenterology physician records in California
Kong Peng Yap, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2014 · 60% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Irvine → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Martin Collen, M.D.Wildomar, CA 925951578659249
- Sajni Amin, MDTemecula, CA 925921235766056
- Indraneel Chakrabarty, M.D.Temecula, CA 925921356558621
- Sathish Subramanian, MD, PHDTemecula, CA 925921962922708
- Rajesh Veluvolu, MDTemecula, CA 925921023300399
- Ardalan Babaknia, MDIrvine, CA 926181366527491
- Shahrooz BemanianIrvine, CA 926181629123070
- Lino Deguzman, M.D.Irvine, CA 926181346324720
Common questions
What is Kong Peng Yap, M.D.'s NPI number?
Kong Peng Yap, M.D.'s National Provider Identifier (NPI) is 1942235288, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kong Peng Yap, M.D. located?
The NPPES record lists a practice address at 33 Creek RD, Irvine, CA, 92604. Phone: (949) 825-5198. Providers update this record themselves, so call before visiting.
How can I verify Kong Peng Yap, M.D.'s license?
NPPES lists California license number A101486, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kong Peng Yap, M.D. prescribe under Medicare Part D?
In 2024, Kong Peng Yap, M.D. had 316 Medicare Part D claims for 124 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.