Dr. Johnny C. Yap, MD
- Medicare services, 2024
- 1,169
- Medicare patients, 2024
- 190
- Part D claims, 2024
- 80
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 15 Laurel Ave, Cornwall, NY 12518
- Practice phone
- Call (845) 458-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Luke's Cornwall JV
Cornwall, New York
Find Dr. Yap's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Johnny C. Yap is a radiation oncologist in Cornwall, New York
Dr. Yap practices at St. Luke's Cornwall JV in Cornwall, New York.
Dr. Yap's NPI, 1790766269, was assigned on November 10, 2005. Dr. Yap holds New York license 5503852.
- NPI
- 1790766269NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012808884
- NPI enumeration date
- November 10, 2005
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (845) 458-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Johnny C. Yap practices at St. Luke's Cornwall JV in Cornwall, New York
Dr. Yap's primary practice is St. Luke's Cornwall JV, at 15 Laurel Ave, Cornwall, NY 12518 in Orange County. The practice phone is (845) 458-9000.
- St. Luke's Cornwall JV15 Laurel Ave, Cornwall, NY 12518 · Orange CountyPhone(845) 458-9000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Johnny C. Yap is affiliated with 4 sites of care and 2 medical groups
Dr. Yap's primary practice is St. Luke's Cornwall JV in Cornwall, New York. Dr. Yap is also affiliated with Montefiore Einstein Hospital-Moses Campus. The medical group on file is Montefiore St. Luke's Cornwall. Dmand AI also links Dr. Yap to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Johnny C. Yap's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yap practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Luke's Cornwall JV | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Johnny C. Yap is one of 385 radiation oncologists in New York
Radiation oncology is Dr. Yap's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Yap is licensed in New York.
Specialties and state licenses
- Radiation oncology, New YorkPrimary
Radiation oncologists near Dr. Yap
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Johnny C. Yap billed Medicare for 1,169 services in 2024
CMS data shows 1,169 Medicare services from Dr. Yap across 14 procedure codes in 2024, for 190 Medicare patients. Medicare paid $172,322 for them. Every service was in an office.
Dr. Yap's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 5992024: 84441%
- Other services
- 2023: 1822024: 27551%
- Office and hospital visits
- 2023: 452024: 5011%
Dr. Yap compared with the New York median for radiation oncologists, 2024
- Dr. Yap
- New York median
- Medicare services
- 1,169vs 1,05411% above
- Medicare patients
- 190vs 16019% above
- Part D claims
- 45vs 3625% above
Medians across 368 radiation oncologists in New York with Dmand AI profiles that report each measure.
Dr. Yap's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Johnny C. Yap treated 190 Medicare patients in 2024, average age 74
CMS counts 190 Medicare patients who saw Dr. Yap in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have cancer, and 75% have high blood pressure. 30% are also on Medicaid. Their average risk score is 1.81, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Yap's median patient age at 69, with 59% women.
Dr. Yap's Medicare patients by age, 2024
Dr. Yap's Medicare patients by sex, 2024
- Women8545%
- Men10555%
Chronic conditions among Dr. Yap's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol71%
- Diabetes46%
- Arthritis35%
- Ischemic heart disease34%
- Chronic kidney disease28%
- COPD27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yap's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women59%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Johnny C. Yap wrote 80 Medicare Part D claims in 2024
In 2024, Dr. Yap wrote 80 Medicare Part D claims for 29 patients. 76% of them were for generic drugs. CMS names the drug for 45 of them, across 2 drugs with 11 or more claims each, at $244 in total drug cost. In 2023, CMS named 16 claims across 1 drug.
Dr. Yap's Part D claims by kind of drug, 2024
- Generic61 claims76%
- Brand-name19 claims24%
Dr. Yap's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Yap's Part D claims, 2024
- Antibiotics14%11 of 80 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 162024: 45181%
Drugs named by CMS: 2 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Johnny C. Yap scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Yap for performance year 2024, reported as part of a group. CMS lists Dr. Yap as offering telehealth.
- Offers telehealth
- Yes
Dr. Yap's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Johnny C. Yap received $1,240 in industry payments from 2016 to 2023
CMS Open Payments shows 58 general payments to Dr. Yap from 23 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $129.
General payments to Dr. Yap by program year, 2016 to 2023
Companies that paid Dr. Yap the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Johnny C. Yap's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Johnny C. Yap
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Johnny C. Yap's NPI number?
Dr. Johnny C. Yap's NPI number is 1790766269. It was assigned on November 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Johnny C. Yap?
Dr. Johnny C. Yap is a radiation oncologist in Cornwall, New York. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Johnny C. Yap practice?
Dr. Yap practices at 15 Laurel Ave, Cornwall, NY 12518. Dr. Yap's primary practice is St. Luke's Cornwall JV in Cornwall, New York. Dmand AI also links Dr. Yap to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Johnny C. Yap's office phone number?
The practice phone on file for Dr. Yap is (845) 458-9000.
What is Dr. Johnny C. Yap's medical license number?
Dr. Yap holds New York license 5503852.
Which hospitals is Dr. Johnny C. Yap affiliated with?
Dr. Yap is affiliated with Montefiore Einstein Hospital-Moses Campus. Dmand AI links Dr. Yap to 1 more hospital.
What medical group is Dr. Johnny C. Yap part of?
Dr. Yap is linked to Montefiore St. Luke's Cornwall. Dmand AI links Dr. Yap to 1 more medical group.
Does Dr. Johnny C. Yap accept Medicare?
Yes. CMS data shows Dr. Yap billed Medicare for 1,169 services in 2024.
Does Dr. Johnny C. Yap offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Yap as offering telehealth services.
What is Dr. Johnny C. Yap's MIPS score?
Dr. Yap's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Johnny C. Yap see?
CMS counts 190 Medicare patients who saw Dr. Yap in 2024, with an average age of 74.
What services does Dr. Johnny C. Yap bill to Medicare?
In 2024, Dr. Yap's most billed Medicare services were radiation oncology (77014), medicare service (G6015) and radiation oncology (77300).
What drugs does Dr. Johnny C. Yap prescribe most?
In 2024 Medicare Part D data, Dr. Yap's most prescribed drugs by claims were Tamsulosin HCl and Silver Sulfadiazine.
Has Dr. Johnny C. Yap received payments from drug or device companies?
CMS Open Payments shows $1,240 in general payments to Dr. Yap from 23 companies from 2016 to 2023. The largest total came from Genentech, Inc.
How long has Dr. Johnny C. Yap been practicing?
Dr. Yap graduated from medical school in 1995, 31 years ago.
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