Ayelet Mizrachi-Jonisch, M.D.
Dermatology Physician · Katonah, NY
Ayelet Mizrachi-Jonisch, M.D. is a dermatology physician with a practice address in Katonah, New York, and NPI 1356405252, issued on Dec 22, 2006. Check the license (New York 240203, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ayelet Mizrachi-Jonisch
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- 240203 NY
044387 CT
Self-reported in NPPES; status is on the state search - Practice location
- 111 Bedford RD, Katonah, NY 10536
- Phone
- (914) 232-3135
- Enumerated
- Dec 22, 2006
- Record last updated
- Nov 12, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (914) 232-1169
- Medicaid ID
- 02958107 NY
- Medicare enrollment
- Enrolled (PECOS I20080611000412); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 1,211 in New York → Look up another NPI →
Also registered at 111 Bedford RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Scott Gottesfeld, MDCardiovascular Disease Physician1366447971
- Matthew Howard, MDInternal Medicine Physician1881776581
Verify Ayelet Mizrachi-Jonisch 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 240203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average dermatology physician in 2024
1,196 Medicare Part D claims for 582 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Ketoconazole242 claims
- Fluorouracil181 claims
- Hydrocortisone155 claims
- Triamcinolone Acetonide155 claims
- Clindamycin Phosphate71 claims
- Mupirocin63 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.
Bills Medicare through one group practice
- Optum Medical Care PCMount Kisco, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ayelet Mizrachi-Jonisch among 1,211 dermatology physician records in New York
Ayelet Mizrachi-Jonisch, M.D. is one of 1,211 dermatology physician records with a practice address in New York. 87% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2003 · median 2004 among the 880 with a school on file
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in New York
There are 1,211 dermatology physician records in New York.
All 1,211 in New York → Every provider in Katonah → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Michael Stillman, MDKatonah, NY 105361457325839
- William Reed, P.A.Jefferson Valley, NY 105351336281963
- Jeffrey Schachne, M.D.Jefferson Valley, NY 105351205884285
- Tobi Klar, MDLarchmont, NY 105381609934264
- Cynthia Yalowitz, MDLarchmont, NY 105381831160704
- Jennifer Goldwasser, M.D.Hartsdale, NY 105301902888001
- Elizabeth Rosenthal, M.D.Mamaroneck, NY 105431336147826
- Karin Blecher Paz, MDHarrison, NY 105281962777060
Common questions
What is Ayelet Mizrachi-Jonisch, M.D.'s NPI number?
Ayelet Mizrachi-Jonisch, M.D.'s National Provider Identifier (NPI) is 1356405252, issued on Dec 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ayelet Mizrachi-Jonisch, M.D. located?
The NPPES record lists a practice address at 111 Bedford RD, Katonah, NY, 10536. Phone: (914) 232-3135. Providers update this record themselves, so call before visiting.
How can I verify Ayelet Mizrachi-Jonisch, M.D.'s license?
NPPES lists New York license number 240203, 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 Ayelet Mizrachi-Jonisch, M.D. prescribe under Medicare Part D?
In 2024, Ayelet Mizrachi-Jonisch, M.D. had 1,196 Medicare Part D claims for 582 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.