Frontline Healthcare-Endocrinology Professional Corporation
NPI 1598618787 · Endocrinology, Diabetes & Metabolism Physician · Thousand Oaks, CA
Frontline Healthcare-Endocrinology Professional Corporation is a Endocrinology, Diabetes & Metabolism Physician organization in Thousand Oaks, CA (NPI 1598618787).
Provider details
- NPI number
- 1598618787
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Fungwah Ruiz, Administrator(805) 449-1111
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
Under 1 yr in 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
- 2026-02-17
- Last updated
- 2026-05-14
- Certified
- 2026-05-14
Frequently asked questions
- What is Frontline Healthcare-Endocrinology Professional Corporation's NPI number?
- Frontline Healthcare-Endocrinology Professional Corporation's National Provider Identifier (NPI) is 1598618787, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Frontline Healthcare-Endocrinology Professional Corporation?
- Frontline Healthcare-Endocrinology Professional Corporation is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Frontline Healthcare-Endocrinology Professional Corporation located?
- Frontline Healthcare-Endocrinology Professional Corporation's practice location on file with NPPES is 555 Marin St Ste 120, Thousand Oaks, CA 91360-4102.
- What is Frontline Healthcare-Endocrinology Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Frontline Healthcare-Endocrinology Professional Corporation is (805) 449-1111.
- Who is the authorized official for Frontline Healthcare-Endocrinology Professional Corporation?
- The authorized official listed on Frontline Healthcare-Endocrinology Professional Corporation's NPPES record is Fungwah Ruiz, Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Frontline Healthcare-Endocrinology Professional Corporation's NPI active?
- Yes — Frontline Healthcare-Endocrinology Professional Corporation's NPI (1598618787) is active in the NPPES registry as of the last update on 2026-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.