Arinder Chadha MD Inc.
NPI 1821220989 · Internal Medicine Physician · Placentia, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arinder Chadha MD Inc. is a Internal Medicine Physician organization in Placentia, CA (NPI 1821220989).
Provider details
- NPI number
- 1821220989
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Arinder Chadha, Owner(714) 996-0599
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
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
- 2009-08-21
- Last updated
- 2009-08-21
Frequently asked questions
- What is Arinder Chadha MD Inc.'s NPI number?
- Arinder Chadha MD Inc.'s National Provider Identifier (NPI) is 1821220989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Arinder Chadha MD Inc.?
- Arinder Chadha MD Inc. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arinder Chadha MD Inc. located?
- Arinder Chadha MD Inc.'s practice location on file with NPPES is 327 Tomko Way, Placentia, CA 92870-8232.
- What is Arinder Chadha MD Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Arinder Chadha MD Inc. is (714) 996-0599.
- Does Arinder Chadha MD Inc. accept Medicare?
- Arinder Chadha 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 Arinder Chadha MD Inc.?
- The authorized official listed on Arinder Chadha MD Inc.'s NPPES record is Arinder Chadha, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Arinder Chadha MD Inc.'s NPI active?
- Yes — Arinder Chadha MD Inc.'s NPI (1821220989) is active in the NPPES registry as of the last update on 2009-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.