Independent physician associations

LaSalle Medical Associates IPA

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

7 contact routesNo directory research calls placed

claims

LSMA MSO — claims inquiries and paper claims

Official page read
Phone888-554-4562Published email

claims@lsmamso.com

Claims-related inquiries; the email is not designated as an original claim submission channel.

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
California

Mailing address
LaSalle Medical Associates IPA, PO Box 7370, La Verne, CA 91750

Published paper-claims mailing destination for LSMA IPA; not the corporate office or old NMM address.

Current site names electronic payer ID LSMA2 for LSMA IPA. This follows the August 2026 internal-MSO transition; old Network Medical Management routing is not substituted. California IPA; its own LSMA Management, Inc. administers the network effective August 31, 2026. Member assignment, contracted product and delegated responsibility must be confirmed; this is not an insurer.

View source ↗ · Source checked 2026-10-22

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

prior authorization

LSMA MSO — outpatient authorization inquiries

Official page read
Phone888-554-4562Published email

umoutpatient@lsmamso.com

Outpatient authorization inquiries; use the current authorization form and verified submission process for clinical records.

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
California

Mailing address

Not researched for this route

This contact is published under Authorization Inquiries. It is not a guarantee that every plan delegates the requested service to LaSalle. California IPA; its own LSMA Management, Inc. administers the network effective August 31, 2026. Member assignment, contracted product and delegated responsibility must be confirmed; this is not an insurer.

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.

portal

LSMA MSO — web portal access and login support

Official page read
Phone888-742-7005Published email

webportalhelpdesk@lsmamso.com

Provider web-portal access requests and login issues.

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
California

Mailing address

Not researched for this route

Technical access support. No login or access request was attempted. California IPA; its own LSMA Management, Inc. administers the network effective August 31, 2026. Member assignment, contracted product and delegated responsibility must be confirmed; this is not an insurer.

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.

provider services

LSMA MSO — provider relations

Official page read
Phone888-554-4562Published email

ProviderServices@lsmamso.com

Provider Relations inquiries for the LaSalle network.

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
California

Mailing address

Not researched for this route

The current corporate contact page corroborates the LSMA phone and portal route. Its older footer copyright is not treated as a publication date. California IPA; its own LSMA Management, Inc. administers the network effective August 31, 2026. Member assignment, contracted product and delegated responsibility must be confirmed; this is not an insurer.

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

provider enrollment credentialing

IPA contracting — Central and Southern California

Official page read
Phone

No phone listed for this route

Published email

LSMAcontracting@lasallemedicalassociates.com

Contracting inquiries for the two listed regional teams.

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
California

Mailing address

Not researched for this route

The listed contracting territories are Madera, Fresno, Kings, Tulare, Kern, San Bernardino, Riverside, Los Angeles and Orange counties. These are team assignments, not a countywide member eligibility claim. California IPA; its own LSMA Management, Inc. administers the network effective August 31, 2026. Member assignment, contracted product and delegated responsibility must be confirmed; this is not an insurer.

fax other

Delegated inpatient admission notifications — fax

Official page read
Phone

No phone listed for this route

Fax

909-494-3234

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
California

Mailing address

Not researched for this route

Admission, transfer and discharge notifications go to LaSalle for Anthem Blue Cross Medicare; Health Net Medi-Cal, Medicare and commercial; Blue Shield Medicare and commercial; SCAN; and UnitedHealthcare. The same source directs Anthem Medi-Cal/commercial, IEHP, Molina, Central Health Plan and Alignment notifications to the member’s plan. Verify the exact product and delegated service. The inpatient phone is withheld because the two current official sites publish different values. California IPA; its own LSMA Management, Inc. administers the network effective August 31, 2026. Member assignment, contracted product and delegated responsibility must be confirmed; this is not an insurer.

fax other

Delegated inpatient discharge orders — fax

Official page read
Phone

No phone listed for this route

Fax

909-494-3229

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
California

Mailing address

Not researched for this route

Admission, transfer and discharge notifications go to LaSalle for Anthem Blue Cross Medicare; Health Net Medi-Cal, Medicare and commercial; Blue Shield Medicare and commercial; SCAN; and UnitedHealthcare. The same source directs Anthem Medi-Cal/commercial, IEHP, Molina, Central Health Plan and Alignment notifications to the member’s plan. Verify the exact product and delegated service. California IPA; its own LSMA Management, Inc. administers the network effective August 31, 2026. Member assignment, contracted product and delegated responsibility must be confirmed; this is not an insurer.

View source ↗ · Source checked 2026-10-22

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