Dr. John Maclou Longo, MD
- Medicare services, 2024
- 1,043
- Medicare patients, 2024
- 256
- Part D claims, 2024
- 180
- MIPS score, 2024
- 88
- Hospital affiliations
- 3
- Practice address
- 3200 Pleasant Valley Road, West Bend, WI 53095
- Practice phone
- Call (262) 334-5533
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Longo's professional email, personal email and mobile number
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Dr. John Maclou Longo is a radiation oncologist in West Bend, Wisconsin
Dr. Longo practices at Froedtert West Bend Hospital in West Bend, Wisconsin, part of Froedtert ThedaCare Health.
Dr. Longo's NPI, 1356631139, was assigned on April 13, 2011. Dr. Longo graduated from University of Nebraska College of Medicine in 2011. Dr. Longo holds Wisconsin license 57527.
- NPI
- 1356631139NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456670314
- NPI enumeration date
- April 13, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (262) 334-5533
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Maclou Longo practices at Froedtert West Bend Hospital in West Bend, Wisconsin
Dr. Longo's primary practice is Froedtert West Bend Hospital, at 3200 Pleasant Valley Road, West Bend, WI 53095 in Washington County. The practice phone is (262) 334-5533.
- Froedtert West Bend Hospital3200 Pleasant Valley Road, West Bend, WI 53095 · Washington CountyPhone(262) 334-5533
Source: Dmand AI Affiliation Data
Dr. John Maclou Longo is affiliated with 4 sites of care and 1 medical group
Dr. Longo's primary practice is Froedtert West Bend Hospital in West Bend, Wisconsin, part of Froedtert ThedaCare Health. Dr. Longo is also affiliated with Froedtert Hospital. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Dr. Longo to 1 more hospital and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Maclou Longo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Longo practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Froedtert West Bend Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Maclou Longo is one of 121 radiation oncologists in Wisconsin
Radiation oncology is Dr. Longo's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Longo is licensed in Wisconsin.
Specialties and state licenses
- Radiation oncology, WisconsinPrimary
Radiation oncologists near Dr. Longo
Counts of radiation oncologists 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. John Maclou Longo billed Medicare for 1,043 services in 2024
CMS data shows 1,043 Medicare services from Dr. Longo across 13 procedure codes in 2024, for 256 Medicare patients. Medicare paid $60,571 for them.
Dr. Longo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,3532024: 82439%
- Office and hospital visits
- 2023: 2242024: 2192%
Where Dr. Longo's Medicare services took place, 2024
- In an office56955%
- In a facility47445%
Dr. Longo compared with the Wisconsin median for radiation oncologists, 2024
- Dr. Longo
- Wisconsin median
- Medicare services
- 1,043vs 88917% above
- Medicare patients
- 256vs 14873% above
- Part D claims
- 119vs 412.9 times
Medians across 125 radiation oncologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Longo'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. Longo and other radiation oncologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Maclou Longo treated 256 Medicare patients in 2024, average age 74
CMS counts 256 Medicare patients who saw Dr. Longo in 2024. The largest group is 65 to 74, with 141 patients. 75% of them have cancer, and 73% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.69, 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. Longo's median patient age at 71, with 25% women.
Dr. Longo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Longo's Medicare patients by sex, 2024
- Women7329%
- Men18371%
Chronic conditions among Dr. Longo's Medicare patients, 2024
- Cancer75%
- High blood pressure73%
- High cholesterol73%
- Arthritis35%
- Diabetes28%
- Chronic kidney disease27%
- Ischemic heart disease27%
- COPD21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Longo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women25%
- Men75%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Maclou Longo wrote 180 Medicare Part D claims in 2024
In 2024, Dr. Longo wrote 180 Medicare Part D claims for 73 patients. 97% of them were for generic drugs. CMS names the drug for 119 of them, across 6 drugs with 11 or more claims each, at $2,676 in total drug cost. In 2023, CMS named 100 claims across 3 drugs.
Dr. Longo's Part D claims by kind of drug, 2024
- Generic174 claims97%
- Brand-name and other6 claims3%
Dr. Longo'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: 1002024: 11919%
Drugs named by CMS: 6 in 2024, 3 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. John Maclou Longo scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Longo for performance year 2024, reported as part of a group. Dr. Longo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Longo as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Longo's MIPS scores, performance year 2024
- 88of 100Final score
- 82.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John Maclou Longo received $126 in industry payments from 2016 to 2019
CMS Open Payments shows 3 general payments to Dr. Longo from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Elekta, Inc. paid the most, $70.
General payments to Dr. Longo by program year, 2016 to 2019
Companies that paid Dr. Longo the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Maclou Longo graduated from University of Nebraska College of Medicine
Dr. Longo graduated from University of Nebraska College of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Maclou Longo'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) |
| 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. John Maclou Longo
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. John Maclou Longo's NPI number?
Dr. John Maclou Longo's NPI number is 1356631139. It was assigned on April 13, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. John Maclou Longo?
Dr. John Maclou Longo is a radiation oncologist in West Bend, Wisconsin. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. John Maclou Longo practice?
Dr. Longo practices at 3200 Pleasant Valley Road, West Bend, WI 53095. Dr. Longo's primary practice is Froedtert West Bend Hospital in West Bend, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Dr. Longo to 1 hospital and 1 hospital outpatient department.
What is Dr. John Maclou Longo's office phone number?
The practice phone on file for Dr. Longo is (262) 334-5533.
What is Dr. John Maclou Longo's medical license number?
Dr. Longo holds Wisconsin license 57527.
Which hospitals is Dr. John Maclou Longo affiliated with?
Dr. Longo practices at Froedtert West Bend Hospital in West Bend, Wisconsin. Dr. Longo is also affiliated with Froedtert Hospital. Dmand AI links Dr. Longo to 1 more hospital.
What medical group is Dr. John Maclou Longo part of?
Dr. Longo is linked to Froedtert & the Medical College of Wisconsin Community Physicians.
Does Dr. John Maclou Longo accept Medicare?
Yes. CMS data shows Dr. Longo billed Medicare for 1,043 services in 2024, and Dr. Longo accepts Medicare assignment.
Does Dr. John Maclou Longo offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Longo as offering telehealth services.
What is Dr. John Maclou Longo's MIPS score?
Dr. Longo's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
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How many Medicare patients does Dr. John Maclou Longo see?
CMS counts 256 Medicare patients who saw Dr. Longo in 2024, with an average age of 74.
What services does Dr. John Maclou Longo bill to Medicare?
In 2024, Dr. Longo's most billed Medicare services were radiation oncology (77014), radiation oncology (77427) and office visit, established patient (99213).
Where did Dr. John Maclou Longo go to medical school?
Dr. Longo graduated from University of Nebraska College of Medicine in 2011.
What drugs does Dr. John Maclou Longo prescribe most?
In 2024 Medicare Part D data, Dr. Longo's most prescribed drugs by claims were Tamsulosin HCl, Omeprazole and Lidocaine HCl Viscous.
Has Dr. John Maclou Longo received payments from drug or device companies?
CMS Open Payments shows $126 in general payments to Dr. Longo from 3 companies from 2016 to 2019. The largest total came from Elekta, Inc.
How long has Dr. John Maclou Longo been practicing?
Dr. Longo graduated from medical school in 2011, 15 years ago.
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