Dr. Benson T. Massey, MD

  • Milwaukee, WI
  • Gastroenterologist
NPI1407807258PAC ID9032242029
Medicare services, 2024
151
Medicare patients, 2024
178
Part D claims, 2024
113
Publications
21
MIPS score, 2024
88
Practice address
9200 W Wisconsin Ave, Milwaukee, WI 53226
Practice phone
Call (414) 805-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Froedtert Hospital

Hospital · Milwaukee, Wisconsin

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Dr. Benson T. Massey is a gastroenterologist in Milwaukee, Wisconsin

Dr. Massey practices at Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health.

Dr. Massey's NPI, 1407807258, was assigned on May 15, 2006. Dr. Massey graduated from Johns Hopkins University School of Medicine in 1983. Dr. Massey holds Wisconsin license 28399.

NPI and contact details
Medicare PAC ID
9032242029
NPI enumeration date
May 15, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(414) 805-3000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
69
Medical school graduation
1983

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Benson T. Massey practices at Froedtert Hospital in Milwaukee, Wisconsin

Dr. Massey's primary practice is Froedtert Hospital, at 9200 W Wisconsin Ave, Milwaukee, WI 53226 in Milwaukee County. The practice phone is (414) 805-3000.

  • Froedtert Hospital
    9200 W Wisconsin Ave, Milwaukee, WI 53226 · Milwaukee CountyPhone(414) 805-3000

Source: Dmand AI Affiliation Data

Dr. Benson T. Massey is affiliated with 1 site of care and 1 medical group

Dr. Massey's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Benson T. Massey's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Massey practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Froedtert HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Froedtert ThedaCare Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Benson T. Massey is one of 277 gastroenterologists in Wisconsin

Gastroenterology is Dr. Massey's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Massey is licensed in Wisconsin.

Specialties and state licenses

  • Gastroenterology, WisconsinPrimaryLicense 28399 · taxonomy 207RG0100X

Gastroenterologists near Dr. Massey

Counts of gastroenterologists 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. Benson T. Massey billed Medicare for 151 services in 2024

CMS data shows 151 Medicare services from Dr. Massey across 7 procedure codes in 2024, for 178 Medicare patients. Medicare paid $15,205 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024151
Medicare patients178
Paid by Medicare$15,205
Procedure codes7

Dr. Massey's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 1172024: 9122%
Office and hospital visits
2023: 2132024: 3086%
Tests and treatments
2023: 522024: 1767%
Other services
2023: 02024: 13

Dr. Massey compared with the Wisconsin median for gastroenterologists, 2024

  • Dr. Massey
  • Wisconsin median
Medicare services
151vs 32954% below
Medicare patients
178vs 25831% below
Part D claims
65vs 42985% below

Medians across 278 gastroenterologists in Wisconsin with Dmand AI profiles that report each measure.

Dr. Massey'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.

See all procedures by Dr. Massey

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Benson T. Massey treated 178 Medicare patients in 2024, average age 69

CMS counts 178 Medicare patients who saw Dr. Massey in 2024. The largest group is 65 to 74, with 83 patients. 73% of them have high cholesterol, and 71% have high blood pressure. 18% are also on Medicaid. Their average risk score is 2.01, 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. Massey's median patient age at 60, with 54% women.

Medicare patients, 2024178
Average age69
Average risk score2.01
Also on Medicaid18%

Dr. Massey's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Massey's Medicare patients by sex, 2024

  • Women11263%
  • Men6637%

Chronic conditions among Dr. Massey's Medicare patients, 2024

  1. High cholesterol73%
  2. High blood pressure71%
  3. Arthritis48%
  4. Chronic kidney disease37%
  5. Anxiety31%
  6. Diabetes31%
  7. Mood disorders29%
  8. Depression25%

Share of Medicare patients with each condition. A patient can have several.

Dr. Massey'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

  • Women54%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Benson T. Massey wrote 113 Medicare Part D claims in 2024

In 2024, Dr. Massey wrote 113 Medicare Part D claims for 61 patients. 88% of them were for generic drugs. CMS names the drug for 65 of them, across 3 drugs with 11 or more claims each, at $1,513 in total drug cost. In 2023, CMS named 145 claims across 6 drugs.

Part D claims, 2024113
Drugs named by CMS3
Total drug cost$1,513
Part D patients61

Dr. Massey's Part D claims by kind of drug, 2024

  • Generic99 claims88%
  • Brand-name14 claims12%

Dr. Massey'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: 1452024: 6555%

Drugs named by CMS: 3 in 2024, 6 in 2023.

See all prescribing by Dr. Massey

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. Benson T. Massey 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. Massey for performance year 2024, reported as part of a group. Dr. Massey accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 62 procedures of colonoscopy by Dr. Massey, more than 68% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Massey'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.

Where Dr. Massey ranks in Medicare procedure volume

Colonoscopy
68th percentile62 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
61st percentile44 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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. Benson T. Massey has 21 publications on record

Dmand AI links 21 papers to Dr. Massey, published from 2001 to 2023. 2015 was the busiest year, with 4. The most frequent topics are Manometry, Esophageal Motility Disorders and Deglutition Disorders. Dr. Massey has published most often in Neurogastroenterol Motil. Dr. Massey's most frequent co-authors are Arash Babaei, MD, Chandra Prakash Gyawali, MD and Kulwinder S. Dua, MD.

Papers21
Years published2001 to 2023

Dr. Massey's papers by year, 2011 to 2023

Topics Dr. Massey writes about most

  • Manometry
  • Esophageal Motility Disorders
  • Deglutition Disorders
  • Esophagus
  • Amyl Nitrite
  • Esophageal Achalasia
  • Muscle Contraction
  • Peristalsis

Dr. Massey's most frequent co-authors

Recent publications by Dr. Massey

See all 21 publications and co-authors

See who Dr. Massey researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Massey works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Benson T. Massey received $231 in industry payments in 2018

CMS Open Payments shows 2 general payments to Dr. Massey from 2 drug and device companies in 2018. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $131.

Companies that paid Dr. Massey the most, 2018 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Massey

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Benson T. Massey graduated from Johns Hopkins University School of Medicine

Dr. Massey graduated from Johns Hopkins University School of Medicine in 1983.

  1. Medical schoolJohns Hopkins University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Benson T. Massey's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Benson T. Massey

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. Benson T. Massey's NPI number?

Dr. Benson T. Massey's NPI number is 1407807258. It was assigned on May 15, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Benson T. Massey?

Dr. Benson T. Massey is a gastroenterologist in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Benson T. Massey practice?

Dr. Massey practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. Dr. Massey's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health.

What is Dr. Benson T. Massey's office phone number?

The practice phone on file for Dr. Massey is (414) 805-3000.

What is Dr. Benson T. Massey's medical license number?

Dr. Massey holds Wisconsin license 28399.

Which hospitals is Dr. Benson T. Massey affiliated with?

Dr. Massey practices at Froedtert Hospital in Milwaukee, Wisconsin.

What medical group is Dr. Benson T. Massey part of?

Dr. Massey is linked to Froedtert & the Medical College of Wisconsin Community Physicians.

Does Dr. Benson T. Massey accept Medicare?

Yes. CMS data shows Dr. Massey billed Medicare for 151 services in 2024, and Dr. Massey accepts Medicare assignment.

What is Dr. Benson T. Massey's MIPS score?

Dr. Massey's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does Dr. Benson T. Massey see?

CMS counts 178 Medicare patients who saw Dr. Massey in 2024, with an average age of 69.

Show 7 more questionsShow fewer questions

What services does Dr. Benson T. Massey bill to Medicare?

In 2024, Dr. Massey's most billed Medicare services were surgery: digestive system (43239), hospital inpatient care (99222) and surgery: digestive system (45380).

Where did Dr. Benson T. Massey go to medical school?

Dr. Massey graduated from Johns Hopkins University School of Medicine in 1983.

What drugs does Dr. Benson T. Massey prescribe most?

In 2024 Medicare Part D data, Dr. Massey's most prescribed drugs by claims were Omeprazole, Gavilyte-G and Pantoprazole Sodium.

Has Dr. Benson T. Massey received payments from drug or device companies?

CMS Open Payments shows $231 in general payments to Dr. Massey from 2 companies from 2018 to 2018. The largest total came from Ethicon Inc.

How long has Dr. Benson T. Massey been practicing?

Dr. Massey graduated from medical school in 1983, 43 years ago.

Does Dr. Benson T. Massey do research?

Dmand AI links 21 publications to Dr. Massey, published from 2001 to 2023.

Who does Dr. Benson T. Massey publish with?

Dr. Massey's most frequent co-authors are Arash Babaei, MD (6 shared papers), Chandra Prakash Gyawali, MD (3 shared papers) and Kulwinder S. Dua, MD (2 shared papers).

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