John Hassani
Dermatology Physician · Lake Katrine, NY
John Hassani is a dermatology physician with a practice address in Lake Katrine, New York, and NPI 1427469493, issued on May 13, 2014. Check the license (New York 281189, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Hassani
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 281189 NY
Self-reported in NPPES; status is on the state search - Practice location
- 315 Grant Ave, Lake Katrine, NY 12449
- Phone
- (845) 339-2525
- Enumerated
- May 13, 2014
- Record last updated
- Dec 22, 2025
- Fax
- (845) 336-2626
- Medicare enrollment
- Enrolled (PECOS I20161025000074); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2014
- Entity
- Type 1 · individual
Also registered at 315 Grant Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lia Basso, PA-CPhysician Assistant1972026169
- George Marchacos, PA-CPhysician Assistant1619600467
- Emily O'Carroll, PA-CPhysician Assistant1205321288
- Amanda O'Connell, PA-CPhysician Assistant1386094829
- Sarah Sayegh, PA-CPhysician Assistant1154208494
Verify John Hassani 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 281189Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average dermatology physician in 2024
700 Medicare Part D claims for 244 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Triamcinolone Acetonide84 claims
- Methotrexate75 claims
- Dupixent Pen70 claims
- Mycophenolate Mofetil57 claims
- Ketoconazole49 claims
- Betamethasone Dipropionate42 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.
Industry payments in 2024: $240.71
14 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 10,250 providers of this specialty with any payment received $8,544.61 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 one group practice
- Advanced Dermatology, PLLCLake Katrine, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2 dermatology physician records list a practice address in Lake Katrine
They are 2 of the 120 NPPES records with a practice address in Lake Katrine, and 1,211 dermatology physician records in New York.
All 2 in Lake Katrine → All 1,211 in New York → Every provider in Lake Katrine →
Other dermatology physician records in New York
- Jules Abadi, MDEast Patchogue, NY1093808966
- Dale Abadir, MDRye Brook, NY1396845798
- Roxanne Abitbol, M.D.Oceanside, NY1841415197
- Brian Abittan, M.D.New York, NY1902284482
- Ariel Abraham, M.D.Southampton, NY1548503063
- Peter Accetta, M.D.Orchard Park, NY1912961467
- Jonas Adalsteinsson, MDNew York, NY1881190635
- Lauren Adams, MDMount Kisco, NY1457679243
- Natnaelle Admassu, MD, MSNew York, NY1154909000
- Prince Adotama, M.D.New York, NY1700273349
Common questions
What is John Hassani's NPI number?
John Hassani's National Provider Identifier (NPI) is 1427469493, issued on May 13, 2014. An NPI identifies a provider in billing; it is not a license.
Where is John Hassani located?
The NPPES record lists a practice address at 315 Grant Ave, Lake Katrine, NY, 12449. Phone: (845) 339-2525. Providers update this record themselves, so call before visiting.
How can I verify John Hassani's license?
NPPES lists New York license number 281189, 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 John Hassani prescribe under Medicare Part D?
In 2024, John Hassani had 700 Medicare Part D claims for 244 beneficiaries; the average among dermatology physician prescribers was 797. 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.