DialClerk Directory

Labs and imaging

East Side Clinical Laboratory

Phone, published email, fax, addresses and the next step for your office.

7 contact routesNo directory research calls placed

Location records

43 location records. Each record retains its published address and contact details.

Different source programs can refer to the same physical place. Counts describe location records and do not measure unique facilities.

Search all locations →

lab client services

Corporate office administrative contact

Official page read
Phone800-479-5227Fax

401-455-8444

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address

Not researched for this route

Physical address
10 Risho Avenue, East Providence, RI 02914

Corporate office; not a blood collection site and not the billing payment mailing destination.

Toll-free corporate contact; local telephone 401.455.8400. Administrative fax only. Official page says corporate office is not a blood collection site.

View source ↗ · Source checked 2026-10-22

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

lab client services

Customer service for laboratory inquiries

Official page read
Phone401-455-8400Fax

401-434-3928

Published email

CustomerService@esclab.com

Customer service for laboratory inquiries; page explicitly excludes billing questions from this email address.

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address

Not researched for this route

For billing assistance the page directs callers to 888.403.6673. Customer-service fax differs from corporate administrative fax.

View source ↗ · Source checked 2026-10-22

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

test orders

Test requisitions fax

Official page read
Phone

No phone listed for this route

Fax

401-861-4229

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address

Not researched for this route

Explicitly labelled Test Requisitions Fax on the contact page; do not substitute the administrative or customer-service fax.

View source ↗ · Source checked 2026-10-22

Report an update

patient billing

Billing inquiries and mailed payments

Official page read
Phone888-403-6673Fax

888-403-6695

Published hours

Monday–Friday, 9:30 AM–6 PM EST (published wording).

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address
East Side Clinical Laboratory, Billing Department, PO Box 411579, Boston, MA 02241-1579

Checks payable to East Side Clinical Laboratory, per Pay By Mail instructions.

Billing fax is confirmed in the expanded Contact Us billing section. Page says payments are not accepted at the corporate location; in-person payments are directed to patient service centers.

View source ↗ · Source checked 2026-10-22 · Expanded billing department contacts ↗

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

patient assistance

Financial-assistance application and Patient Support

Official page read
Phone888-403-6673Fax

888-403-6695

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address
East Side Clinical Laboratory, Accounts Receivable Department, Attention: Patient Support, PO Box 411579, Boston, MA 02241

Return completed financial-assistance application and required supporting documentation, per application page 1.

Current assistance page links application [43304]. It publishes phone, fax and application mail; no application email is printed. Copyright 2024 footer is not an issuance date. Eligibility requires laboratory review.

View source ↗ · Source checked 2026-10-22 · Current application landing page ↗

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

lab client services

IT support

Official page read
Phone401-455-8484Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address

Not researched for this route

Published IT department telephone. No hours, email or fax established on reviewed page.

View source ↗ · Source checked 2026-10-22

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

lab client services

Laboratory supplies

Official page read
Phone401-455-8450Fax

401-455-8462

Published email

supply@esclab.com

Laboratory supplies inquiries and orders, as published in the Supplies section.

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address

Not researched for this route

View source ↗ · Source checked 2026-10-22

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

Help the next office

How did your call go?

Share a structured call experience or flag a contact correction. Submissions are reviewed before publication. Patient details, recordings and documents do not belong here.

Share a call experience

Share a call experience

Suggest a contact correction

Suggest a correction

For healthcare offices

Found the contact. Still need to make the call?

Explore how DialClerk organizes the brief, hold time and staff handoff for your next administrative call.

For the people making the calls

Put payer follow-up
on your office’s worklist.

Explore DialClerk for queued calls, hold handling, staff handoffs and a record of the next step. Tell us how your team works.

A request does not create an account or start a call. Use business contact information only. No patient information.

See how it could work for your practice