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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARISA CARLY MIZUS MD
NPI 1558654418
Internal Medicine - Rheumatology in Hunt Valley, MD

Active since May 25, 2011PECOS Enrolled
76.58/100
CMS Quality Rating
11350 MCCORMICK RD STE 605, HUNT VALLEY, MD 21031(410) 914-8660(410) 639-8838 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 30, 2026, Jan 15, 2026, Jun 3, 2025 and 3 more (6 updates tracked since 2016).

About Marisa Carly Mizus Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARISA CARLY MIZUS MD (NPI 1558654418) is an individual rheumatology provider in Hunt Valley, Maryland, licensed in Maryland (D83503) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of New York University School Of Medicine (2011).

NPPES Registry Identity

NPI1558654418
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameMARISA CARLY MIZUSCredential: MD
Location Address11350 MCCORMICK RD STE 605Hunt Valley, MD 21031-1002
Mailing Address10753 Falls Rd Ste 225Lutherville, MD 21093-4597 · (410) 583-2828 · Fax (410) 601-4833
Phone(410) 914-8660
Fax(410) 639-8838
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2011
Enumeration DateMay 25, 2011
Last NPPES UpdateJuly 30, 20266 updates tracked since enumeration
NPPES CertifiedJuly 30, 2026
✔ NPI 1558654418 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in MD · D83503
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD449982 (PA)
Also ListedHospitalistTaxonomy 208M00000X · License D83503 (MD)
11350 MCCORMICK RD STE 605, Hunt Valley, MD 21031
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marisa Carly Mizus Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1153613344
PECOS Enrollment IDI20170816001312
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0717
Certolizumab pegol is a medication injected under a doctor's supervision. It's used to treat certain inflammatory conditions like rheumatoid arthritis. The injection helps reduce symptoms like pain and swelling. Note that this drug isn't for self-administration.
24,800 services15 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
360 services214 patients
Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401
This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.
137 services24 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
114 services92 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
64 services64 patients
Administration of chemotherapy into vein, 1 hour or less 96413
Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.
61 services19 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.56
Promoting Interoperability100
Improvement Activities40
Cost48.54

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marisa Mizus's NPI number?

The NPI number for Marisa Mizus is 1558654418. It was assigned to this individual provider in the NPPES registry on May 25, 2011.

Where is Marisa Mizus located?

Marisa Mizus practices at 11350 Mccormick Rd Ste 605, Hunt Valley, MD 21031. The listed phone number is (410) 914-8660.

What is Marisa Mizus's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Marisa Mizus enrolled in Medicare?

Yes. Marisa Mizus is registered in the Medicare PECOS enrollment system.

Is Marisa Mizus affiliated with any hospitals?

According to CMS data, Marisa Mizus is affiliated with Johns Hopkins Hospital, The.

When was this NPI record last updated?

The NPPES record for Marisa Mizus was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.