Helen Stosel MD Inc
NPI 1366646986 · Endocrinology, Diabetes & Metabolism Physician · Mission Viejo, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helen Stosel MD Inc is a Endocrinology, Diabetes & Metabolism Physician organization in Mission Viejo, CA (NPI 1366646986).
Provider details
- NPI number
- 1366646986
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Helen Stosel, Owner(949) 951-7100
- License
- G68931 (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
19 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
- 2007-06-14
- Last updated
- 2008-04-01
Frequently asked questions
- What is Helen Stosel MD Inc's NPI number?
- Helen Stosel MD Inc's National Provider Identifier (NPI) is 1366646986, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Helen Stosel MD Inc?
- Helen Stosel MD Inc is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Helen Stosel MD Inc located?
- Helen Stosel MD Inc's practice location on file with NPPES is 26047 Acero, Mission Viejo, CA 92691-7950.
- What is Helen Stosel MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Helen Stosel MD Inc is (949) 951-7100.
- Does Helen Stosel MD Inc accept Medicare?
- Helen Stosel 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 Helen Stosel MD Inc?
- The authorized official listed on Helen Stosel MD Inc's NPPES record is Helen Stosel, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Helen Stosel MD Inc's NPI active?
- Yes — Helen Stosel MD Inc's NPI (1366646986) is active in the NPPES registry as of the last update on 2008-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.