DialClerk Directory

Lakeside Medical Group

Provider services

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

provider services

Medical group inquiries — member services, provider relations, claims

Official page read
Phone818-637-2000Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
California

Mailing address

Not researched for this route

Listed on the Heritage Provider Network contact page as the number to contact Lakeside Medical Group directly for member services, provider relations and claims. Lakeside's own website blocked automated retrieval. HPN's 24/7 contact PDF lists (818) 654-3400 as Lakeside's 24/7 number. Post-stabilization: HPN 24/7 UM line (818) 253-7670.

View source ↗ · Source checked 2026-10-24 · HPN affiliated medical groups 24/7 contact sheet ↗

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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.

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  • 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

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  • Which department owns the next step?
  • What reference number should the office keep?

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