Sudhir Rajan, M.D.
NPI 1396961249 · Critical Care Medicine (Internal Medicine) Physician · Orange, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sudhir Rajan, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Orange, CA (NPI 1396961249).
Provider details
- NPI number
- 1396961249
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A85191 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2007-04-18
- Last updated
- 2025-09-11
Frequently asked questions
- What is Sudhir Rajan's NPI number?
- Sudhir Rajan's National Provider Identifier (NPI) is 1396961249, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sudhir Rajan's specialty?
- Sudhir Rajan is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sudhir Rajan located?
- Sudhir Rajan's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Sudhir Rajan's phone number?
- The practice phone number listed in the NPPES registry for Sudhir Rajan is (714) 456-5150.
- Does Sudhir Rajan accept Medicare?
- Sudhir Rajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sudhir Rajan's NPI active?
- Yes — Sudhir Rajan's NPI (1396961249) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.