DialClerk Directory

Lannett Company — generic product support

Provider services

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provider services

Lannett — customer service for manufacturer-labeled medicines

Official page read
Phone215-333-9000 ext. 4

Customer-service main number; published extension 4.

Published email

customerservice@lannett.com

Customer-service inquiries.

Published hours

08:00–16:00 EST, as published; days not specified.

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
1150 Northbrook Drive, Suite 155 Trevose, PA 19053

Corporate address on current contact page, not an established prescription/PAP intake location.

Menu guidance in the source record

Published customer-service extension: 4. Extension connection untested.

Menus can change. No live call verification is claimed.

Current Lannett label supports its diethylpropion ER product. Do not infer current stock or a charitable assistance program. Phone extension is source-published, not call-tested. The current served ER label shows an update date of July 27, 2022 and current archive publication of July 4, 2024; current manufacturer catalog independently identifies the 75 mg product. Source-published extension 4 is structured for dialing/search but connection has not been tested.

View source ↗ · Source checked 2026-10-23 · Current served Lannett extended-release diethylpropion label ↗ · Current Lannett 75 mg catalog, NDC 00527-1477-01; links the ER label ↗

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

provider services

Lannett — medical information and adverse-event reporting

Official page read
Phone844-834-0530

Customer complaints, adverse events and side-effect reporting via Medical Information.

Published hours

09:00–17:00 Eastern, as published; days not specified.

Product, plan and location

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

Mailing address

Not researched for this route

Not a PAP, savings-card processing or prescription intake route.

View source ↗ · Source checked 2026-10-23 · Current Lannett 75 mg catalog, NDC 00527-1477-01; links the ER label ↗

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

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Call preparation · editorial guide

Make the call count.

Find the team that supports your practice. Match the plan and state before using a general provider line.

Have ready in your secure workspace

  • Practice NPI and tax ID, kept in your secure workspace
  • Exact product name and member ID card
  • A one-sentence request and your office callback number

Questions to resolve

  • Does this team handle this plan and state?
  • Which department owns the next step?
  • What reference number should the office keep?

This is a general administrative checklist, not payer policy or advice about a particular patient. Confirm the current plan instructions.

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