Roy Daniel Ayalon, M.D.
Gynecology Physician · Tarzana, CA
Roy Daniel Ayalon, M.D. is a gynecology physician with a practice address in Tarzana, California, and NPI 1154599546, issued on Feb 19, 2008. Check the license (California A102319, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Roy Daniel Ayalon
- Credential
- M.D.
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- A102319 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18411 Clark St Ste 107, Tarzana, CA 91356
- Phone
- (818) 654-9312
- Enumerated
- Feb 19, 2008
- Record last updated
- Mar 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110329000199); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 369 in California → Look up another NPI →
Verify Roy Daniel Ayalon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A102319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average gynecology physician in 2024
89 Medicare Part D claims for 35 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D.
Most prescribed
- Valacyclovir18 claims
- Estradiol17 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: $3,338.38
10 payments; by number, the most common kind was consulting fee; the largest payer was Mimedx Group, Inc. The 1,398 providers of this specialty with any payment received $2,469.88 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.
Roy Daniel Ayalon among 369 gynecology physician records in California
Roy Daniel Ayalon, M.D. is one of 369 gynecology physician records with a practice address in California. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 76% of them.
- NPI issued2008 · 76% of these records are older, 19% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2004 · median 1995 among the 141 with a school on file
- Record last updated2013 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in California
There are 369 gynecology physician records in California.
All 369 in California → Every provider in Tarzana → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Arieh Bergman, M.D.,Tarzana, CA 913561629179932
- Karyn Gross, MDTarzana, CA 913561922082452
- Dennis Perlow, M.D.Tarzana, CA 913561033104823
- Diana Wong, M.D.Tarzana, CA 913561922019637
- Jane Udkoff, M.D.Westlake Village, CA 913621205075843
- Parichehr Allameh, M.D.Sylmar, CA 913421053434563
- Malaika Amneus, M.D.Sylmar, CA 913421538379706
- Dafna Trites, D.O.Northridge, CA 913251699734319
Common questions
What is Roy Daniel Ayalon, M.D.'s NPI number?
Roy Daniel Ayalon, M.D.'s National Provider Identifier (NPI) is 1154599546, issued on Feb 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Roy Daniel Ayalon, M.D. located?
The NPPES record lists a practice address at 18411 Clark St Ste 107, Tarzana, CA, 91356. Phone: (818) 654-9312. Providers update this record themselves, so call before visiting.
How can I verify Roy Daniel Ayalon, M.D.'s license?
NPPES lists California license number A102319, 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 Roy Daniel Ayalon, M.D. prescribe under Medicare Part D?
In 2024, Roy Daniel Ayalon, M.D. had 89 Medicare Part D claims for 35 beneficiaries; the average among gynecology physician prescribers was 299. 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.