OrganizationActive
Onsite Diagnosis LLC
NPI 1982363198 · General Practice Physician · Arcadia, CA
Onsite Diagnosis LLC is a General Practice Physician organization in Arcadia, CA (NPI 1982363198).
Provider details
- NPI number
- 1982363198
- Entity type
- Organization
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Nicholas Limthong, Owner(626) 471-1290
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
11629 Clark St Ste 101
Arcadia, CA 91006-6022
Phone: (626) 471-1290
Street-level locationGet directions
Mailing address
11629 Clark St Ste 101
Arcadia, CA 91006-6022
Registry dates
- Enumerated
- 2021-12-15
- Last updated
- 2021-12-15
- Certified
- 2021-12-15
Frequently asked questions
- What is Onsite Diagnosis LLC's NPI number?
- Onsite Diagnosis LLC's National Provider Identifier (NPI) is 1982363198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Onsite Diagnosis LLC?
- Onsite Diagnosis LLC is classified in the NPPES registry as General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Onsite Diagnosis LLC located?
- Onsite Diagnosis LLC's practice location on file with NPPES is 11629 Clark St Ste 101, Arcadia, CA 91006-6022.
- What is Onsite Diagnosis LLC's phone number?
- The practice phone number listed in the NPPES registry for Onsite Diagnosis LLC is (626) 471-1290.
- Who is the authorized official for Onsite Diagnosis LLC?
- The authorized official listed on Onsite Diagnosis LLC's NPPES record is Nicholas Limthong, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Onsite Diagnosis LLC's NPI active?
- Yes — Onsite Diagnosis LLC's NPI (1982363198) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.