EXOSOME DIAGNOSTICS, INC.
NPI 1538543731
Clinical Medical Laboratory in Waltham, MA

Active since July 17, 2015CLIA 22D2093470 · Accreditation
266 2ND AVE # 200, WALTHAM, MA 02451(617) 588-0500(617) 588-0580 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 21, 2022, Jan 11, 2018 (2 updates tracked since 2018).

About Exosome Diagnostics, Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EXOSOME DIAGNOSTICS, INC. (NPI 1538543731) is a healthcare organization registered as a clinical medical laboratory in Waltham, Massachusetts and active in the NPI registry since July 2015. The organization holds an CLIA Accreditation certificate valid through May 26, 2028 and lists William John Kelly, Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1538543731
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameEXOSOME DIAGNOSTICS, INC.
Location Address266 2ND AVE # 200Waltham, MA 02451-1166
Mailing Address266 2nd Ave # 200Waltham, MA 02451-1166 · (617) 588-0500 · Fax (617) 588-0580
Fax(617) 588-0580
Organization SubpartNo
Authorized OfficialWilliam John KellyChief Financial Officer · (617) 588-0522
Enumeration DateJuly 17, 2015
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
NPI 1538543731 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Definition

(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.

266 2ND AVE # 200, Waltham, MA 02451

Accepted Insurance

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 22D2093470

Exosome Diagnostics, Inc · Waltham, MA
Active · expires May 26, 2028
CLIA Number22D2093470
Laboratory TypeIndependent
Certificate Effective DateMay 27, 2026
Certificate Expiration DateMay 26, 2028
Laboratory DirectorDr. Nicole E. Faulkner Castro
Laboratory Phone(617) 588-0528
Laboratory LocationExosome Diagnostics, Inc266 Second Ave, Suite 200, Waltham, MA 02451
CLIA data matches this NPI record on: Name
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for detecting genes associated with prostate cancer in urine 0005U
This is a non-invasive test that checks for specific genetic markers in your urine that could indicate a higher risk of developing a certain type of glandular health issue. It's a simple procedure that involves providing a urine sample.
15,700 services15,552 patients

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Exosome Diagnostics, Inc.'s NPI number?

The NPI number for Exosome Diagnostics, Inc. is 1538543731. It was assigned to this organization in the NPPES registry on July 17, 2015.

Where is Exosome Diagnostics, Inc. located?

Exosome Diagnostics, Inc. is located at 266 2nd Ave # 200, Waltham, MA 02451. The listed phone number is (617) 588-0500.

What is Exosome Diagnostics, Inc.'s specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Does Exosome Diagnostics, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 22D2093470) is associated with this NPI, valid through May 26, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Exosome Diagnostics, Inc. accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of NC, BlueCross BlueShield of South Carolina, Harvard Pilgrim Health Care and InStil Health and 2 other insurers list Exosome Diagnostics, Inc. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Exosome Diagnostics, Inc. was last updated on July 21, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.