Int Clin Psychopharmacol
Drug Hypersensitivity SyndromeEosinophiliaExanthema
Dr. Hannah L. Mallaro, MD
NPI1255858494PAC ID3375943020
- Medicare services, 2024
- 157
- Medicare patients, 2024
- 84
- Part D claims, 2024
- 495
- Publications
- 1
- MIPS score, 2024
- 83
- Practice address
- 600 Highland Ave, Madison, WI 53792
- Practice phone
- Call (608) 265-1978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Health Services - Madison (Highland Ave)
College / University Student Health · Madison, Wisconsin
Find Dr. Mallaro's professional email, personal email and mobile number
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Dr. Hannah L. Mallaro is an internist in Madison, Wisconsin
Dr. Mallaro practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
Dr. Mallaro's NPI, 1255858494, was assigned on August 28, 2017. Dr. Mallaro graduated from Northwestern University Feinberg Medical School in 2021. Dr. Mallaro holds Wisconsin license 83410.
NPI and contact details
- NPI
- 1255858494NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375943020
- NPI enumeration date
- August 28, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (608) 265-1978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hannah L. Mallaro practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin
Dr. Mallaro's primary practice is University Health Services - Madison (Highland Ave), at 600 Highland Ave, Madison, WI 53792. The practice phone is (608) 265-1978.
- University Health Services - Madison (Highland Ave)600 Highland Ave, Madison, WI 53792Phone(608) 265-1978
Source: Dmand AI Affiliation Data
Dr. Hannah L. Mallaro is affiliated with 5 sites of care and 1 medical group
Dr. Mallaro's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dr. Mallaro is also affiliated with University Hospital. The medical group on file is UW Health. Dmand AI also links Dr. Mallaro to 1 more hospital, 1 group practice or clinic and 1 home health agency, each named with a free account. Dr. Mallaro's employer is on file too: a school & student health.
University Health Services - Madison (Highland Ave)Primary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hannah L. Mallaro's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mallaro practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Health Services - Madison (Highland Ave) | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hannah L. Mallaro is one of 1,675 internists in Wisconsin
Internal medicine is Dr. Mallaro's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Mallaro's licenses on file in 2 states: Wisconsin and Illinois.
Specialties and state licenses
- Internal medicine, WisconsinPrimary
- Illinois license
Internists near Dr. Mallaro
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Hannah L. Mallaro billed Medicare for 157 services in 2024
CMS data shows 157 Medicare services from Dr. Mallaro across 4 procedure codes in 2024, for 84 Medicare patients. Medicare paid $6,562 for them. Every service was in an office.
Medicare services, 2024157
Medicare patients84
Paid by Medicare$6,562
Procedure codes4
Dr. Mallaro's Medicare services by type, 2024
- Office and hospital visits90
- Other services67
Dr. Mallaro compared with the Wisconsin median for internists, 2024
- Dr. Mallaro
- Wisconsin median
- Medicare services
- 157vs 45766% below
- Medicare patients
- 84vs 19958% below
- Part D claims
- 177vs 43359% below
Medians across 1,658 internists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Mallaro's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mallaro and other internists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hannah L. Mallaro treated 84 Medicare patients in 2024, average age 74
CMS counts 84 Medicare patients who saw Dr. Mallaro in 2024. The largest group is 75 to 84, with 35 patients. 64% of them have high cholesterol, and 62% have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mallaro's median patient age at 60, with 88% women.
Medicare patients, 202484
Average age74
Average risk score0.97
Dr. Mallaro's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mallaro's Medicare patients by sex, 2024
- Women5262%
- Men3238%
Chronic conditions among Dr. Mallaro's Medicare patients, 2024
- High cholesterol64%
- High blood pressure62%
- Arthritis49%
- Anxiety31%
- Osteoporosis29%
- Mood disorders25%
- Depression23%
- Ischemic heart disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mallaro's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women88%
- Men12%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hannah L. Mallaro wrote 495 Medicare Part D claims in 2024
In 2024, Dr. Mallaro wrote 495 Medicare Part D claims for 102 patients. 85% of them were for generic drugs. CMS names the drug for 177 of them, across 9 drugs with 11 or more claims each, at $11,397 in total drug cost. In 2023, CMS named 72 claims across 4 drugs.
Part D claims, 2024495
Drugs named by CMS9
Total drug cost$11,397
Part D patients102
Dr. Mallaro's Part D claims by kind of drug, 2024
- Generic423 claims85%
- Brand-name and other72 claims15%
Dr. Mallaro's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Mallaro's Part D claims, 2024
- Antibiotics4%22 of 495 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 722024: 177146%
Drugs named by CMS: 9 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Hannah L. Mallaro scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Mallaro for performance year 2024, reported as part of a group. Dr. Mallaro accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mallaro as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Mallaro's MIPS scores, performance year 2024
- 83of 100Final score
- 87.8of 100Quality
- 77of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Hannah L. Mallaro has 1 publication on record
Dmand AI links 1 paper to Dr. Mallaro in 2023.
Papers1
Recent publications by Dr. Mallaro
See who Dr. Mallaro researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mallaro works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Hannah L. Mallaro received $121 in industry payments in 2025
CMS Open Payments shows 2 general payments to Dr. Mallaro from 1 drug or device company in 2025. Education make up the largest share, 100% of the total. Idorsia Pharmaceuticals US Inc paid the most, $121.
Companies that paid Dr. Mallaro the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hannah L. Mallaro graduated from Northwestern University Feinberg Medical School
Dr. Mallaro graduated from Northwestern University Feinberg Medical School in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Hannah L. Mallaro's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Hannah L. Mallaro
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Hannah L. Mallaro's NPI number?
Dr. Hannah L. Mallaro's NPI number is 1255858494. It was assigned on August 28, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Hannah L. Mallaro?
Dr. Hannah L. Mallaro is an internist in Madison, Wisconsin. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Hannah L. Mallaro practice?
Dr. Mallaro practices at 600 Highland Ave, Madison, WI 53792. Dr. Mallaro's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dmand AI also links Dr. Mallaro to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Dr. Hannah L. Mallaro's office phone number?
The practice phone on file for Dr. Mallaro is (608) 265-1978.
What is Dr. Hannah L. Mallaro's medical license number?
Dr. Mallaro holds Wisconsin license 83410, one of the licenses on file in 2 states.
Which states has Dr. Hannah L. Mallaro been licensed in?
Dmand AI has state licenses on file for Dr. Mallaro in Wisconsin and Illinois.
Which hospitals is Dr. Hannah L. Mallaro affiliated with?
Dr. Mallaro is affiliated with University Hospital. Dmand AI links Dr. Mallaro to 1 more hospital.
What medical group is Dr. Hannah L. Mallaro part of?
Dr. Mallaro is linked to UW Health.
Does Dr. Hannah L. Mallaro accept Medicare?
Yes. CMS data shows Dr. Mallaro billed Medicare for 157 services in 2024, and Dr. Mallaro accepts Medicare assignment.
Does Dr. Hannah L. Mallaro offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mallaro as offering telehealth services.
Show 8 more questionsShow fewer questions
What is Dr. Hannah L. Mallaro's MIPS score?
Dr. Mallaro's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Hannah L. Mallaro see?
CMS counts 84 Medicare patients who saw Dr. Mallaro in 2024, with an average age of 74.
What services does Dr. Hannah L. Mallaro bill to Medicare?
In 2024, Dr. Mallaro's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Hannah L. Mallaro go to medical school?
Dr. Mallaro graduated from Northwestern University Feinberg Medical School in 2021.
What drugs does Dr. Hannah L. Mallaro prescribe most?
In 2024 Medicare Part D data, Dr. Mallaro's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metoprolol Succinate.
Has Dr. Hannah L. Mallaro received payments from drug or device companies?
CMS Open Payments shows $121 in general payments to Dr. Mallaro from 1 company from 2025 to 2025. The largest total came from Idorsia Pharmaceuticals US Inc.
How long has Dr. Hannah L. Mallaro been practicing?
Dr. Mallaro graduated from medical school in 2021, 5 years ago.
Does Dr. Hannah L. Mallaro do research?
Dmand AI links 1 publication to Dr. Mallaro.
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