Quest Diagnostics Massachusetts LLC
NPI 1023505674 · Clinical Medical Laboratory · Westborough, MA
Quest Diagnostics Massachusetts LLC is a Clinical Medical Laboratory organization in Westborough, MA (NPI 1023505674).
Provider details
- NPI number
- 1023505674
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Parent organization
- Quest Diagnostics Incorporated
- Organization subpart
- Yes
- Authorized official
- David Betz, Director, Finance(412) 920-7774
Specialties & taxonomies
Laboratories
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 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
108 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) |
|---|---|---|
| Blood Test, Clotting Time85610 | 108 | $4 |
Typical Medicare-allowed amounts for these services range $4–$4 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-19
- Last updated
- 2022-10-25
- Certified
- 2022-10-25
Frequently asked questions
- What is Quest Diagnostics Massachusetts LLC's NPI number?
- Quest Diagnostics Massachusetts LLC's National Provider Identifier (NPI) is 1023505674, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Quest Diagnostics Massachusetts LLC?
- Quest Diagnostics Massachusetts LLC is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Quest Diagnostics Massachusetts LLC located?
- Quest Diagnostics Massachusetts LLC's practice location on file with NPPES is 900 Union St, Westborough, MA 01581-5408.
- What is Quest Diagnostics Massachusetts LLC's phone number?
- The practice phone number listed in the NPPES registry for Quest Diagnostics Massachusetts LLC is (866) 697-8378.
- Who is the authorized official for Quest Diagnostics Massachusetts LLC?
- The authorized official listed on Quest Diagnostics Massachusetts LLC's NPPES record is David Betz, Director, Finance. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Quest Diagnostics Massachusetts LLC's NPI active?
- Yes — Quest Diagnostics Massachusetts LLC's NPI (1023505674) is active in the NPPES registry as of the last update on 2022-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.