MARK MERUAN MOUNAJJED MD
NPI 1891789897
Internal Medicine - Infectious Disease in Madison, WI

Active since September 06, 2005PECOS EnrolledAccepts Medicare Assignment
600 HIGHLAND AVE, MADISON, WI 53792(608) 263-0946(608) 833-6965 Get Directions Write a Review

NPPES record last updated: December 12, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 12, 2024, Sep 17, 2024, Jul 11, 2022 (3 updates tracked since 2022).

About Mark Meruan Mounajjed Md NPPES

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

MARK MERUAN MOUNAJJED MD (NPI 1891789897) is an individual infectious disease provider in Madison, Wisconsin, licensed in Wisconsin (45870) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Meriter, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1891789897
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameMARK MERUAN MOUNAJJEDCredential: MD
Location Address600 HIGHLAND AVEMadison, WI 53792-0001
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Fax(608) 833-6965
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateSeptember 6, 2005
Last NPPES UpdateDecember 12, 20243 updates tracked since enumeration
NPPES CertifiedDecember 12, 2024
NPI 1891789897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses Licensed in WI · 45870 Licensed in WI · 45870-20
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 45870 (WI)
Also ListedHospitalistTaxonomy 208M00000X · License 45870 (WI)
600 HIGHLAND AVE, Madison, WI 53792

Secondary Practice Locations 2

Location 11506 S Oneida StAppleton, WI 54915-1305 · Phone (920) 738-2000
Location 21211 Fish Hatchery RdMadison, WI 53715-1909 · Phone (608) 252-8000 · Fax (608) 283-7318

Other Identifiers 1

Medicaid1891789897WI

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mark Meruan Mounajjed Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274542758
PECOS Enrollment IDI20060411000471
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 15

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, infliximab-abda, biosimilar, (renflexis), 10 mg Q5104
Infliximab-abda (Renflexis) is a biosimilar medication given via injection. It's used to treat certain autoimmune conditions by reducing inflammation and immune system activity. The dosage is 10 mg.
1,661 services24 patients
Injection, ceftriaxone sodium, per 250 mg J0696
Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.
224 services12 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
123 services90 patients
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365
This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.
111 services61 patients
Injection, zoledronic acid, 1 mg J3489
Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.
110 services22 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
76 services76 patients

Hospital Affiliations CMS Care Compare 2

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

Unitypoint Health - Meriter

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520089
Location202 S Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number520098
Location600 Highland AvenueMadison, WI 53792 · Dane County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53792 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pharmacist
600 HIGHLAND AVE, COMPLIANCE MAIL CODE 2433
MADISON, WI 53792
Ophthalmology
600 HIGHLAND AVE
MADISON, WI 53792
Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Internal Medicine (Infectious Disease)
600 HIGHLAND AVE
MADISON, WI 53792
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Transplant Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Radiology (Radiation Oncology)
600 HIGHLAND AVE
MADISON, WI 53792

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 Mark Mounajjed's NPI number?

The NPI number for Mark Mounajjed is 1891789897. It was assigned to this individual provider in the NPPES registry on September 6, 2005.

Where is Mark Mounajjed located?

Mark Mounajjed practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-0946.

What is Mark Mounajjed's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Mark Mounajjed enrolled in Medicare?

Yes. Mark Mounajjed is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Mounajjed accept?

Health plans from Aspirus Health Plan, Group Health Cooperative-SCW, HealthPartners, Quartz and Security Health Plan list Mark Mounajjed as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Mounajjed affiliated with any hospitals?

According to CMS data, Mark Mounajjed is affiliated with Unitypoint Health - Meriter and University Of Wi Hospitals & Clinics Authority.

When was this NPI record last updated?

The NPPES record for Mark Mounajjed was last updated on December 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.