Calvin Ezrin MD, a Medical Corporation
NPI 1144400524 · Endocrinology, Diabetes & Metabolism Physician · Tarzana, CA
Calvin Ezrin MD, a Medical Corporation is a Endocrinology, Diabetes & Metabolism Physician organization in Tarzana, CA (NPI 1144400524).
Provider details
- NPI number
- 1144400524
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Calvin Ezrin, President(818) 996-3936
- License
- G33066 (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
18 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
- 2007-11-14
- Last updated
- 2007-11-30
Frequently asked questions
- What is Calvin Ezrin MD, a Medical Corporation's NPI number?
- Calvin Ezrin MD, a Medical Corporation's National Provider Identifier (NPI) is 1144400524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Calvin Ezrin MD, a Medical Corporation?
- Calvin Ezrin MD, a Medical Corporation is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Ezrin MD, a Medical Corporation located?
- Calvin Ezrin MD, a Medical Corporation's practice location on file with NPPES is 18372 Clark Street, Tarzana, CA 91356-3508.
- What is Calvin Ezrin MD, a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Calvin Ezrin MD, a Medical Corporation is (818) 996-3936.
- Who is the authorized official for Calvin Ezrin MD, a Medical Corporation?
- The authorized official listed on Calvin Ezrin MD, a Medical Corporation's NPPES record is Calvin Ezrin, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Calvin Ezrin MD, a Medical Corporation's NPI active?
- Yes — Calvin Ezrin MD, a Medical Corporation's NPI (1144400524) is active in the NPPES registry as of the last update on 2007-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.