Dr. Robert J. Houlihan, MD
- Medicare services, 2024
- 2,635
- Medicare patients, 2024
- 1,387
- Part D claims, 2024
- 1,825
- Publications
- 1
- Hospital affiliations
- 6
- Practice address
- 1025 Marsh St, Mankato, MN 56001
- Practice phone
- Call (507) 594-6449
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mayo Clinic Health System Mankato Hospital
Mankato, Minnesota
Find Dr. Houlihan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert J. Houlihan is a cardiologist in Mankato, Minnesota
Dr. Houlihan practices at Mayo Clinic Health System Mankato Hospital in Mankato, Minnesota.
Dr. Houlihan's NPI, 1922086800, was assigned on January 3, 2006. Dr. Houlihan graduated from University of Iowa, RJ & L Carver College of Medicine in 1993. Dr. Houlihan holds Minnesota license 39072.
- NPI
- 1922086800NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496802092
- NPI enumeration date
- January 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (507) 594-6449
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert J. Houlihan practices at Mayo Clinic Health System Mankato Hospital in Mankato, Minnesota
Dr. Houlihan's primary practice is Mayo Clinic Health System Mankato Hospital, at 1025 Marsh St, Mankato, MN 56001 in Blue Earth County. The practice phone is (507) 594-6449.
- Mayo Clinic Health System Mankato Hospital1025 Marsh St, Mankato, MN 56001 · Blue Earth CountyPhone(507) 594-6449
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert J. Houlihan is affiliated with 10 sites of care and 6 medical groups
Dr. Houlihan's primary practice is Mayo Clinic Health System Mankato Hospital in Mankato, Minnesota. Dr. Houlihan is also affiliated with Mayo Clinic Health System in Mankato. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Houlihan to 5 more hospitals, 5 medical groups and 3 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert J. Houlihan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Houlihan practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Health System Mankato Hospital | Available with a free account |
| +9 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert J. Houlihan is one of 540 cardiologists in Minnesota
Cardiovascular disease is Dr. Houlihan's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Houlihan is licensed in Minnesota.
Specialties and state licenses
- Cardiovascular disease, MinnesotaPrimary
Cardiologists near Dr. Houlihan
Counts of cardiologists 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. Robert J. Houlihan billed Medicare for 2,635 services in 2024
CMS data shows 2,635 Medicare services from Dr. Houlihan across 26 procedure codes in 2024, for 1,387 Medicare patients. Medicare paid $100,835 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Houlihan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,0662024: 2,1544%
- Office and hospital visits
- 2023: 3432024: 3584%
- Other services
- 2023: 02024: 112
- Surgery
- 2023: 02024: 11
Dr. Houlihan compared with the Minnesota median for cardiologists, 2024
- Dr. Houlihan
- Minnesota median
- Medicare services
- 2,635vs 7333.6 times
- Medicare patients
- 1,387vs 4802.9 times
- Part D claims
- 1,732vs 4683.7 times
Medians across 521 cardiologists in Minnesota with Dmand AI profiles that report each measure.
Dr. Houlihan'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.
Need commercial claims for Dr. Houlihan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Houlihan and other cardiologists in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert J. Houlihan treated 1,387 Medicare patients in 2024, average age 79
CMS counts 1,387 Medicare patients who saw Dr. Houlihan in 2024. The largest group is 75 to 84, with 544 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Houlihan's median patient age at 79, with 42% women.
Dr. Houlihan's Medicare patients by age, 2024
Dr. Houlihan's Medicare patients by sex, 2024
- Women62245%
- Men76555%
Chronic conditions among Dr. Houlihan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure55%
- Chronic kidney disease54%
- Atrial fibrillation52%
- Ischemic heart disease50%
- Arthritis41%
- Diabetes35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Houlihan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert J. Houlihan wrote 1,825 Medicare Part D claims in 2024
In 2024, Dr. Houlihan wrote 1,825 Medicare Part D claims for 245 patients. 79% of them were for generic drugs. CMS names the drug for 1,732 of them, across 31 drugs with 11 or more claims each, at $409,338 in total drug cost. In 2023, CMS named 1,928 claims across 33 drugs.
Dr. Houlihan's Part D claims by kind of drug, 2024
- Generic1,448 claims79%
- Brand-name377 claims21%
Dr. Houlihan'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,9282024: 1,73210%
Drugs named by CMS: 31 in 2024, 33 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
How Dr. Robert J. Houlihan takes part in Medicare
Dr. Houlihan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Robert J. Houlihan has 1 publication on record
Dmand AI links 1 paper to Dr. Houlihan in 2018.
Recent publications by Dr. Houlihan
See who Dr. Houlihan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Houlihan works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert J. Houlihan received $109 in industry payments from 2019 to 2022
CMS Open Payments shows 3 general payments to Dr. Houlihan from 3 drug and device companies from 2019 to 2022. Food and beverage make up the largest share, 89% of the total. Medtronic, Inc. paid the most, $80.
General payments to Dr. Houlihan by program year, 2019 to 2022
General payments to Dr. Houlihan by kind, 2019 to 2022
- Food and beverage$9789%
- Education$1211%
Companies that paid Dr. Houlihan the most, 2019 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert J. Houlihan graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Houlihan graduated from University of Iowa, RJ & L Carver College of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert J. Houlihan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)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. Robert J. Houlihan
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. Robert J. Houlihan's NPI number?
Dr. Robert J. Houlihan's NPI number is 1922086800. It was assigned on January 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert J. Houlihan?
Dr. Robert J. Houlihan is a cardiologist in Mankato, Minnesota. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Robert J. Houlihan practice?
Dr. Houlihan practices at 1025 Marsh St, Mankato, MN 56001. Dr. Houlihan's primary practice is Mayo Clinic Health System Mankato Hospital in Mankato, Minnesota. Dmand AI also links Dr. Houlihan to 5 hospitals, 5 medical groups and 3 group practices and clinics.
What is Dr. Robert J. Houlihan's office phone number?
The practice phone on file for Dr. Houlihan is (507) 594-6449.
What is Dr. Robert J. Houlihan's medical license number?
Dr. Houlihan holds Minnesota license 39072.
Which hospitals is Dr. Robert J. Houlihan affiliated with?
Dr. Houlihan is affiliated with Mayo Clinic Health System in Mankato. Dmand AI links Dr. Houlihan to 5 more hospitals.
What medical group is Dr. Robert J. Houlihan part of?
Dr. Houlihan is linked to Mayo Clinic. Dmand AI links Dr. Houlihan to 5 more medical groups.
Does Dr. Robert J. Houlihan accept Medicare?
Yes. CMS data shows Dr. Houlihan billed Medicare for 2,635 services in 2024, and Dr. Houlihan accepts Medicare assignment.
How many Medicare patients does Dr. Robert J. Houlihan see?
CMS counts 1,387 Medicare patients who saw Dr. Houlihan in 2024, with an average age of 79.
What services does Dr. Robert J. Houlihan bill to Medicare?
In 2024, Dr. Houlihan's most billed Medicare services were heart test or procedure (93306), heart test or procedure (93294) and heart test or procedure (93280).
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Where did Dr. Robert J. Houlihan go to medical school?
Dr. Houlihan graduated from University of Iowa, RJ & L Carver College of Medicine in 1993.
What drugs does Dr. Robert J. Houlihan prescribe most?
In 2024 Medicare Part D data, Dr. Houlihan's most prescribed drugs by claims were Metoprolol Succinate, Carvedilol and Eliquis.
Has Dr. Robert J. Houlihan received payments from drug or device companies?
CMS Open Payments shows $109 in general payments to Dr. Houlihan from 3 companies from 2019 to 2022. The largest total came from Medtronic, Inc.
How long has Dr. Robert J. Houlihan been practicing?
Dr. Houlihan graduated from medical school in 1993, 33 years ago.
Does Dr. Robert J. Houlihan do research?
Dmand AI links 1 publication to Dr. Houlihan.
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