Oaks Internal Medicine, a Professional Medical Corporation
NPI 1306149562 · Internal Medicine Physician · Newbury Park, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oaks Internal Medicine, a Professional Medical Corporation is a Internal Medicine Physician organization in Newbury Park, CA (NPI 1306149562).
Provider details
- NPI number
- 1306149562
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Asra Siddiqui, President(805) 375-6000
- License
- A65725 (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
- 2010-12-09
- Last updated
- 2011-11-02
Frequently asked questions
- What is Oaks Internal Medicine, a Professional Medical Corporation's NPI number?
- Oaks Internal Medicine, a Professional Medical Corporation's National Provider Identifier (NPI) is 1306149562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Oaks Internal Medicine, a Professional Medical Corporation?
- Oaks Internal Medicine, a Professional Medical Corporation is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Oaks Internal Medicine, a Professional Medical Corporation located?
- Oaks Internal Medicine, a Professional Medical Corporation's practice location on file with NPPES is 3295 Old Conejo Road, Newbury Park, CA 91320-2152.
- What is Oaks Internal Medicine, a Professional Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Oaks Internal Medicine, a Professional Medical Corporation is (805) 375-6000.
- Does Oaks Internal Medicine, a Professional Medical Corporation accept Medicare?
- Oaks Internal Medicine, a Professional Medical Corporation 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 Oaks Internal Medicine, a Professional Medical Corporation?
- The authorized official listed on Oaks Internal Medicine, a Professional Medical Corporation's NPPES record is Asra Siddiqui, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Oaks Internal Medicine, a Professional Medical Corporation's NPI active?
- Yes — Oaks Internal Medicine, a Professional Medical Corporation's NPI (1306149562) is active in the NPPES registry as of the last update on 2011-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.