Quest Diagnostics Nichols Institute
NPI 1780620526 · Clinical Medical Laboratory · San Juan Capistrano, CA
Enrolled with Medicare as Part B Supplier - Independent Clinical Laboratory · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quest Diagnostics Nichols Institute is a Clinical Medical Laboratory organization in San Juan Capistrano, CA (NPI 1780620526).
Provider details
- NPI number
- 1780620526
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Parent organization
- Quest Diagnostics Incorporated
- Organization subpart
- Yes
- Authorized official
- Leah Timmerman, Svp, Health Plans(973) 520-2700
- License
- 05D0643352 (CA)
Specialties & taxonomies
Laboratories
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
265,188 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Flow Cytometry Technique for Dna Or Cell Analysis, Each Additional Marker88185 | 93,618 | $28 |
| Gammaglobulin (immune System Protein) Measurement82784 | 19,366 | $9 |
| Total Protein Level, Blood84155 | 6,330 | $4 |
| Protein Measurement, Serum84165 | 6,322 | $11 |
| Organic Acid Level83921 | 5,500 | $21 |
| Immunologic Analysis Technique on Serum (immunofixation)86334 | 4,921 | $22 |
| Flow Cytometry Technique for Dna Or Cell Analysis, First Marker |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-21
- Last updated
- 2024-11-19
- Certified
- 2024-11-19
Frequently asked questions
- What is Quest Diagnostics Nichols Institute's NPI number?
- Quest Diagnostics Nichols Institute's National Provider Identifier (NPI) is 1780620526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Quest Diagnostics Nichols Institute?
- Quest Diagnostics Nichols Institute is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Quest Diagnostics Nichols Institute located?
- Quest Diagnostics Nichols Institute's practice location on file with NPPES is 33608 Ortega Hwy, San Juan Capistrano, CA 92675-2042.
- What is Quest Diagnostics Nichols Institute's phone number?
- The practice phone number listed in the NPPES registry for Quest Diagnostics Nichols Institute is (800) 642-4657.
- Does Quest Diagnostics Nichols Institute accept Medicare?
- Quest Diagnostics Nichols Institute 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 Quest Diagnostics Nichols Institute?
- The authorized official listed on Quest Diagnostics Nichols Institute's NPPES record is Leah Timmerman, Svp, Health Plans. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Quest Diagnostics Nichols Institute's NPI active?
- Yes — Quest Diagnostics Nichols Institute's NPI (1780620526) is active in the NPPES registry as of the last update on 2024-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.