Lakeside Medical Organization, a Medical Group Inc.
NPI 1831426642 · Internal Medicine Physician · Northridge, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lakeside Medical Organization, a Medical Group Inc. is a Internal Medicine Physician organization in Northridge, CA (NPI 1831426642).
Provider details
- NPI number
- 1831426642
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Kenneth Epstein, Medical Director(818) 637-2000
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Dermatology Physician207N00000X
Allopathic & Osteopathic Physicians
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
- Cardiovascular Disease Physician207RC0000X
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Gastroenterology Physician207RG0100X
Allopathic & Osteopathic Physicians
- Rheumatology Physician207RR0500X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2009-11-16
- Last updated
- 2014-03-07
Frequently asked questions
- What is Lakeside Medical Organization, a Medical Group Inc.'s NPI number?
- Lakeside Medical Organization, a Medical Group Inc.'s National Provider Identifier (NPI) is 1831426642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lakeside Medical Organization, a Medical Group Inc.?
- Lakeside Medical Organization, a Medical Group Inc. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lakeside Medical Organization, a Medical Group Inc. located?
- Lakeside Medical Organization, a Medical Group Inc.'s practice location on file with NPPES is 8510 Balboa Blvd, Northridge, CA 91325-3583.
- What is Lakeside Medical Organization, a Medical Group Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Lakeside Medical Organization, a Medical Group Inc. is (818) 637-2000.
- Does Lakeside Medical Organization, a Medical Group Inc. accept Medicare?
- Lakeside Medical Organization, a Medical Group 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 Lakeside Medical Organization, a Medical Group Inc.?
- The authorized official listed on Lakeside Medical Organization, a Medical Group Inc.'s NPPES record is Kenneth Epstein, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lakeside Medical Organization, a Medical Group Inc.'s NPI active?
- Yes — Lakeside Medical Organization, a Medical Group Inc.'s NPI (1831426642) is active in the NPPES registry as of the last update on 2014-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.