DialClerk Directory

Medicare and Medicaid

Maryland Medicaid (MDH)

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

10 contact routesNo directory research calls placed

provider services

Provider Services Call Center

Official page read
Phone410-767-5503Published hours

Mon 8:30-12; Tue/Wed/Fri 8:30-4; no Thursday hours

Product, plan and location

medicaid
Maryland

Mailing address

Not researched for this route

View source ↗ · Source checked 2026-10-20

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

provider services

Provider Services Call Center (toll free)

Official page read
Phone800-445-1159Published hours

Mon 8:30-12; Tue/Wed/Fri 8:30-4

Product, plan and location

medicaid
Maryland

Mailing address

Not researched for this route

View source ↗ · Source checked 2026-10-20

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

provider enrollment credentialing

MPRIME (ePREP) provider enrollment hotline

Official page read
Phone844-463-7768Published hours

Mon-Fri 9-5

Product, plan and location

medicaid
Maryland

Mailing address

Not researched for this route

View source ↗ · Source checked 2026-10-20

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

provider enrollment credentialing

Enrollment / provider help other than MPRIME

Official page read
Phone410-767-5340Published hours

Not published in this record

Product, plan and location

medicaid
Maryland

Mailing address

Not researched for this route

View source ↗ · Source checked 2026-10-20

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

claims

Claims, institutional UB-04

Official page read
Phone410-767-5457Published hours

Not published in this record

Product, plan and location

medicaid
Maryland

Mailing address

Not researched for this route

Pairing of label to number inferred from page layout.

View source ↗ · Source checked 2026-10-20

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

claims

Payment adjustment help

Official page read
Phone410-767-5346Published hours

Not published in this record

Product, plan and location

medicaid
Maryland

Mailing address

Not researched for this route

Pairing inferred from page layout.

View source ↗ · Source checked 2026-10-20

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

eligibility benefits

Eligibility Verification System (EVS) by phone

Official page read
Phone866-710-1447Published hours

Not published in this record

Product, plan and location

medicaid
Maryland

Mailing address

Not researched for this route

Automated eligibility verification; NPI or provider number required.

View source ↗ · Source checked 2026-10-25

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

member services

HealthChoice Helpline

Official page read
Phone800-284-4510Published hours

Not published in this record

Product, plan and location

medicaid
Maryland

Mailing address

Not researched for this route

State HealthChoice helpline (managed care questions and complaints). Also the State Complaint Resolution Unit referenced by MCOs.

View source ↗ · Source checked 2026-10-25

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

portal

LTSSMaryland technical assistance

Official page read
Phone855-463-5877Published hours

Not published in this record

Product, plan and location

medicaid
Maryland

Mailing address

Not researched for this route

Technical help with LTSSMaryland (long-term services and supports) provider portal.

View source ↗ · Source checked 2026-10-25

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

claims

Claims Processing Division and provider relations mailing addresses

Official page read
Phone

No phone listed for this route

Published hours

Not published in this record

Product, plan and location

medicaid
Maryland

Mailing address
Claims Processing Division P.O. Box 1935 Baltimore, MD 21203

Fee-for-service claims

Institutional Provider Relations: P.O. Box 22751, Baltimore, MD 21203. Professional Provider Relations (CMS-1500): P.O. Box 22811, Baltimore, MD 21203. Medical Assistance Adjustment Unit: P.O. Box 13045, Baltimore, MD 21203.

View source ↗ · Source checked 2026-10-25

Report an update

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