Shilpa Diwan MD Inc
NPI 1902458524 · Psychiatry Physician · Irvine, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shilpa Diwan MD Inc is a Psychiatry Physician organization in Irvine, CA (NPI 1902458524).
Provider details
- NPI number
- 1902458524
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Shilpa Diwan, President(949) 304-6727
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
6 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
- 2019-07-13
- Last updated
- 2020-06-04
- Certified
- 2020-06-04
Frequently asked questions
- What is Shilpa Diwan MD Inc's NPI number?
- Shilpa Diwan MD Inc's National Provider Identifier (NPI) is 1902458524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Shilpa Diwan MD Inc?
- Shilpa Diwan MD Inc is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Shilpa Diwan MD Inc located?
- Shilpa Diwan MD Inc's practice location on file with NPPES is 19772 Macarthur Blvd Ste 220, Irvine, CA 92612-2405.
- What is Shilpa Diwan MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Shilpa Diwan MD Inc is (949) 304-6727.
- Does Shilpa Diwan MD Inc accept Medicare?
- Shilpa Diwan 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 Shilpa Diwan MD Inc?
- The authorized official listed on Shilpa Diwan MD Inc's NPPES record is Shilpa Diwan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Shilpa Diwan MD Inc's NPI active?
- Yes — Shilpa Diwan MD Inc's NPI (1902458524) is active in the NPPES registry as of the last update on 2020-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.