Atul Aggarwal MD a Medical Corporation
NPI 1457624124 · Internal Medicine Physician · Simi Valley, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Atul Aggarwal MD a Medical Corporation is a Internal Medicine Physician organization in Simi Valley, CA (NPI 1457624124).
Provider details
- NPI number
- 1457624124
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Atul Aggarwal, President(805) 583-5864
- License
- A37225 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2012-02-10
- Last updated
- 2023-12-13
- Certified
- 2023-12-13
Frequently asked questions
- What is Atul Aggarwal MD a Medical Corporation's NPI number?
- Atul Aggarwal MD a Medical Corporation's National Provider Identifier (NPI) is 1457624124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Atul Aggarwal MD a Medical Corporation?
- Atul Aggarwal MD a Medical Corporation is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Atul Aggarwal MD a Medical Corporation located?
- Atul Aggarwal MD a Medical Corporation's practice location on file with NPPES is 2925 Sycamore Dr, Simi Valley, CA 93065-1207.
- What is Atul Aggarwal MD a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Atul Aggarwal MD a Medical Corporation is (805) 583-5864.
- Does Atul Aggarwal MD a Medical Corporation accept Medicare?
- Atul Aggarwal MD a 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 Atul Aggarwal MD a Medical Corporation?
- The authorized official listed on Atul Aggarwal MD a Medical Corporation's NPPES record is Atul Aggarwal, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Atul Aggarwal MD a Medical Corporation's NPI active?
- Yes — Atul Aggarwal MD a Medical Corporation's NPI (1457624124) is active in the NPPES registry as of the last update on 2023-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.