HANNAH L MALLARO MD
NPI 1255858494
Internal Medicine in Madison, WI

Active since August 28, 2017PECOS EnrolledAccepts Medicare Assignment
451 JUNCTION RD, MADISON, WI 53717(608) 265-7550 Get Directions Write a Review

NPPES record last updated: December 10, 2024. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Dec 10, 2024, Jul 24, 2024, Jun 9, 2021 and 1 more (4 updates tracked since 2017).

About Hannah L Mallaro Md NPPES

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

HANNAH L MALLARO MD (NPI 1255858494) is an individual internal medicine provider in Madison, Wisconsin, licensed in Wisconsin (83410) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Meriter, and is a graduate of Northwestern University Feinberg Medical School (2021).

NPPES Registry Identity

NPI1255858494
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameHANNAH L MALLAROCredential: MD
Location Address451 JUNCTION RDMadison, WI 53717-2656
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2021
Enumeration DateAugust 28, 2017
Last NPPES UpdateDecember 10, 20244 updates tracked since enumeration
NPPES CertifiedDecember 10, 2024
NPI 1255858494 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in WI · 83410 Licensed in IL · 125.077754
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

451 JUNCTION RD, Madison, WI 53717

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

Hannah L Mallaro 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 ID3375943020
PECOS Enrollment IDI20240806001554
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 3

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

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.
44 services41 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
31 services31 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
15 services15 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 53717 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.

Nurse Practitioner
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine (Endocrinology, Diabetes & Metabolism)
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine (Rheumatology)
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine (Endocrinology, Diabetes & Metabolism)
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine (Endocrinology, Diabetes & Metabolism)
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine (Endocrinology, Diabetes & Metabolism)
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine (Endocrinology, Diabetes & Metabolism)
451 JUNCTION RD
MADISON, WI 53717
Physician Assistant (Medical)
451 JUNCTION RD
MADISON, WI 53717

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255858494, enumerated as an "individual" on August 28, 2017.

The provider is located at 451 JUNCTION RD MADISON, WI 53717 and the phone number is (608) 265-7550.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield, Aspirus Health. Please consult your insurance carrier or call the provider to verify.

Hannah Mallaro is affiliated with: UNITYPOINT HEALTH - MERITER and UNIVERSITY OF WI HOSPITALS & CLINICS AUTHORITY.