Marisa Carly Mizus, MD

Internal Medicine · Rheumatology (CMS) · Hunt Valley, MD

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At a glance

11350 Mccormick Rd Ste 605, Hunt Valley, MD 21031-1002

NPPES record updated Jul 30, 2026. Public records can lag behind changes at a practice.

Before you call: a quick checklist
  • Are you accepting new patients?
  • Do you accept my specific insurance plan?
  • Do you provide the service I need at this address?
  • Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Listed as opted out of Medicare

This clinician has a currently effective opt-out record in the imported CMS file. Ask the practice about payment arrangements before booking.

  • Effective Jun 26, 2026 through Jun 26, 2028

Source: Opt Out Affidavits : 2026-08-01 · Reporting period: 2026-08-01 to 2026-08-31 · Published Sep 21, 2026.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

Check the official Medicare directory ↗

Practice location

11350 Mccormick Rd Ste 605
Hunt Valley, MD 21031-1002

Additional reported practice locations

600 N Wolfe St
Baltimore, MD 212870005
Phone: 4432879375
Fax: 4105020923
REPORTED BACKGROUND

Education & affiliations

Medical / professional school
New York University School Of Medicine
Graduation year
2011
CMS specialties
Internal Medicine · Rheumatology

CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.

Reported hospital affiliations

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

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Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

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PAYMENT TRANSPARENCY

Industry-reported general payments

$84,337.58General payments · 2025
217Reported transactions
24Reporting companies

Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.

See payment purposes and reporting companies

Reported purposes

PurposeAmount
Services other than consulting$59,608.00
Travel and lodging$13,225.44
Food and beverage$5,904.14
Consulting fee$5,600.00

Reporting companies

CompanyAmount
ABBVIE INC.$63,795.67
JANSSEN BIOTECH, INC.$17,967.04
AMGEN INC.$550.40
UCB, INC.$516.79
NOVARTIS PHARMACEUTICALS CORPORATION$282.43
GENZYME CORPORATION$246.08
FRESENIUS KABI USA, LLC$127.02
E.R. SQUIBB & SONS, L.L.C.$81.54
Other reporting companies$770.61
View official Open Payments profile ↗

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record
NPI1558654418
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Registry details

Primary taxonomy
Internal Medicine · Rheumatology (CMS)
Taxonomy code
207RR0500X
Enumeration date
May 25, 2011
Record updated
Jul 30, 2026
More registry details
Provider type
Individual · Type 1
Reported credentials
MD

Reported taxonomies and licenses

Internal Medicine

207R00000X

License reported: MD449982 PA

Specialty details in registry

208M00000X

License reported: D83503 MD

Specialty details in registry

207RR0500X · Primary

License reported: D83503 MD

License numbers and credentials are reported to NPPES; HCPList does not independently verify them.

Practice location

11350 Mccormick Rd Ste 605
Hunt Valley, MD 21031-1002
Phone
(410) 914-8660
Fax
(410) 639-8838
Mailing address
10753 FALLS RD STE 225

LUTHERVILLE, MD 210934597
Source: NPPES Source through Oct 18, 2026An NPI does not verify licensure or credentials.

Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.

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