Roy D Ayalon, MD., Inc
NPI 1578854808 · Obstetrics & Gynecology Physician · Tarzana, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roy D Ayalon, MD., Inc is a Obstetrics & Gynecology Physician organization in Tarzana, CA (NPI 1578854808).
Provider details
- NPI number
- 1578854808
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Roy Ayalon, Ob/Gyn(818) 654-9312
- License
- A102319 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-20
- Last updated
- 2011-07-31
Frequently asked questions
- What is Roy D Ayalon, MD., Inc's NPI number?
- Roy D Ayalon, MD., Inc's National Provider Identifier (NPI) is 1578854808, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Roy D Ayalon, MD., Inc?
- Roy D Ayalon, MD., Inc is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Roy D Ayalon, MD., Inc located?
- Roy D Ayalon, MD., Inc's practice location on file with NPPES is 18411 Clark St Ste 107, Tarzana, CA 91356-3530.
- What is Roy D Ayalon, MD., Inc's phone number?
- The practice phone number listed in the NPPES registry for Roy D Ayalon, MD., Inc is (818) 654-9312.
- Does Roy D Ayalon, MD., Inc accept Medicare?
- Roy D Ayalon, MD., Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Roy D Ayalon, MD., Inc?
- The authorized official listed on Roy D Ayalon, MD., Inc's NPPES record is Roy Ayalon, Ob/Gyn. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Roy D Ayalon, MD., Inc's NPI active?
- Yes — Roy D Ayalon, MD., Inc's NPI (1578854808) is active in the NPPES registry as of the last update on 2011-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.