Johnny Yap, MD
Radiation Oncology Physician · Buffalo, NY
Johnny Yap, MD is a radiation oncology physician with a practice address in Buffalo, New York, and NPI 1790766269, issued on Nov 10, 2005. Check the license (New York 5503852, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Johnny Yap
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 5503852 NY
Self-reported in NPPES; status is on the state search - Practice location
- Elm And Carlton St, Buffalo, NY 14263
- Phone
- (716) 845-2300
- Enumerated
- Nov 10, 2005
- Record last updated
- Aug 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (716) 845-8254
- Medicare enrollment
- Enrolled (PECOS I20051208000765); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 449 in New York → Look up another NPI →
Also registered at Elm And Carlton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Abel, RPHPharmacist1649578113
- Anuja AbhyankarMedical Oncology Physician1679181424
- Sara Abou Azar, M.D.Surgery Physician1689103541
- Tina Agostinelli, PAPhysician Assistant1528621885
- Eric Ahn, MDGastroenterology Physician1134528912
- Christine Aiduk, NPObstetrics & Gynecology Nurse Practitioner1255314555
Verify Johnny Yap in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 5503852Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average radiation oncology physician in 2024
80 Medicare Part D claims for 29 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Tamsulosin Hcl31 claims
- Silver Sulfadiazine14 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): 100 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).
2 hospitals and group practices
- Montefiore Medical CenterBronx, NY · Acute Care Hospitals3 of 5 stars
- St Lukes Cornwall JV LLCCornwall, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Johnny Yap among 449 radiation oncology physician records in New York
Johnny Yap, MD is one of 449 radiation oncology physician records with a practice address in New York. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1995 · median 2005 among the 331 with a school on file
- Record last updated2010 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in New York
There are 449 radiation oncology physician records in New York.
All 449 in New York → Every provider in Buffalo → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Varun Chowdhry, MDBuffalo, NY 142631023342060
- Mark Farrugia, M.D., PHDBuffalo, NY 142631386176212
- Simon Fung-Kee-Fung, MDBuffalo, NY 142631114243896
- Ronald Gottlieb, MDBuffalo, NY 142631225034291
- Gregory Hare, MDBuffalo, NY 142631710983689
- Mohamed Khan, MDBuffalo, NY 142631841297611
- Michael Kuettel, MDBuffalo, NY 142631043217193
- Nadia Malik, MDBuffalo, NY 142631942464250
Common questions
What is Johnny Yap, MD's NPI number?
Johnny Yap, MD's National Provider Identifier (NPI) is 1790766269, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Johnny Yap, MD located?
The NPPES record lists a practice address at Elm And Carlton St, Buffalo, NY, 14263. Phone: (716) 845-2300. Providers update this record themselves, so call before visiting.
How can I verify Johnny Yap, MD's license?
NPPES lists New York license number 5503852, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Johnny Yap, MD prescribe under Medicare Part D?
In 2024, Johnny Yap, MD had 80 Medicare Part D claims for 29 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Johnny Yap, MD's MIPS final score?
The 2023 MIPS final score is 100 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.