Arun Villivalam, MD., Inc.
NPI 1538436076 · General Practice Physician · South San Francisco, CA
Arun Villivalam, MD., Inc. is a General Practice Physician organization in South San Francisco, CA (NPI 1538436076).
Provider details
- NPI number
- 1538436076
- Entity type
- Organization
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Chs Health Services
- Organization subpart
- Yes
- Authorized official
- Stuart Clark, Executive Vp(703) 760-0700
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
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
Other names (DBA / former)
- Doing business as
- The Health Center
Registry dates
- Enumerated
- 2011-11-29
- Last updated
- 2011-11-29
Frequently asked questions
- What is Arun Villivalam, MD., Inc.'s NPI number?
- Arun Villivalam, MD., Inc.'s National Provider Identifier (NPI) is 1538436076, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Arun Villivalam, MD., Inc.?
- Arun Villivalam, MD., Inc. is classified in the NPPES registry as General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Arun Villivalam, MD., Inc. located?
- Arun Villivalam, MD., Inc.'s practice location on file with NPPES is 1 Dna Way, South San Francisco, CA 94080-4918.
- What is Arun Villivalam, MD., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Arun Villivalam, MD., Inc. is (703) 760-0700.
- Who is the authorized official for Arun Villivalam, MD., Inc.?
- The authorized official listed on Arun Villivalam, MD., Inc.'s NPPES record is Stuart Clark, Executive Vp. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Arun Villivalam, MD., Inc.'s NPI active?
- Yes — Arun Villivalam, MD., Inc.'s NPI (1538436076) is active in the NPPES registry as of the last update on 2011-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.