Chandran Arulanandan, MD
NPI 1689752784 · Internal Medicine Physician · Livermore, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chandran Arulanandan, MD is a Internal Medicine Physician provider in Livermore, CA (NPI 1689752784).
Provider details
- NPI number
- 1689752784
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G45221 (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
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
- 2006-11-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Chandran Arulanandan's NPI number?
- Chandran Arulanandan's National Provider Identifier (NPI) is 1689752784, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chandran Arulanandan's specialty?
- Chandran Arulanandan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chandran Arulanandan located?
- Chandran Arulanandan's practice location on file with NPPES is 3000 Las Positas Rd, Livermore, CA 94551-9627.
- What is Chandran Arulanandan's phone number?
- The practice phone number listed in the NPPES registry for Chandran Arulanandan is (925) 243-2600.
- Does Chandran Arulanandan accept Medicare?
- Chandran Arulanandan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chandran Arulanandan's NPI active?
- Yes — Chandran Arulanandan's NPI (1689752784) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.