Dr. Phillip Ruben Chisholm, MD

  • Milwaukee, WI
  • Gastroenterologist
NPI1356636278PAC ID8224267935
Medicare services, 2024
128
Medicare patients, 2024
114
Part D claims, 2024
520
MIPS score, 2024
88
Hospital affiliations
2
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

See all 4 affiliations

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Dr. Phillip Ruben Chisholm is a gastroenterologist in Milwaukee, Wisconsin

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

Dr. Chisholm's NPI, 1356636278, was assigned on June 20, 2011. Dr. Chisholm graduated from Washington University School of Medicine in 2011. Dr. Chisholm holds Wisconsin license 69482.

NPI and contact details
Medicare PAC ID
8224267935
NPI enumeration date
June 20, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(414) 805-3000
Professional email
Get email
Personal email
Get email
Mobile number
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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. Phillip Ruben Chisholm practices at Froedtert Hospital in Milwaukee, Wisconsin

Dr. Chisholm'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. Phillip Ruben Chisholm is affiliated with 2 sites of care and 2 medical groups

Dr. Chisholm's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. Dr. Chisholm is also affiliated with Froedtert Menomonee Falls Hospital. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Dr. Chisholm to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Chisholm

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

Dmand AI tracks the EHR system at Dr. Phillip Ruben Chisholm's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chisholm practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Froedtert HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable 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. Phillip Ruben Chisholm is one of 277 gastroenterologists in Wisconsin

Gastroenterology is Dr. Chisholm's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Chisholm's licenses on file in 2 states: Wisconsin and Missouri.

Specialties and state licenses

  • Gastroenterology, WisconsinPrimaryLicense 69482 · taxonomy 207RG0100X
  • Internal medicine, MissouriLicense 2011015256 · taxonomy 207R00000X

Gastroenterologists near Dr. Chisholm

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. Phillip Ruben Chisholm billed Medicare for 128 services in 2024

CMS data shows 128 Medicare services from Dr. Chisholm across 7 procedure codes in 2024, for 114 Medicare patients. Medicare paid $17,233 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024128
Medicare patients114
Paid by Medicare$17,233
Procedure codes7

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

  • 2023
  • 2024
Surgery
2023: 1452024: 10925%
Office and hospital visits
2023: 1052024: 1982%

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

  • Dr. Chisholm
  • Wisconsin median
Medicare services
128vs 32961% below
Medicare patients
114vs 25856% below
Part D claims
485vs 42913% above

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

Dr. Chisholm'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. Chisholm

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

Dr. Phillip Ruben Chisholm treated 114 Medicare patients in 2024, average age 69

CMS counts 114 Medicare patients who saw Dr. Chisholm in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 24% are also on Medicaid. Their average risk score is 1.93, 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. Chisholm's median patient age at 64, with 59% women.

Medicare patients, 2024114
Average age69
Average risk score1.93
Also on Medicaid24%

Dr. Chisholm's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Chisholm's Medicare patients by sex, 2024

  • Women5246%
  • Men6254%

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

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis45%
  4. Diabetes41%
  5. Chronic kidney disease36%
  6. Anxiety35%
  7. Mood disorders34%
  8. Ischemic heart disease32%

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

Dr. Chisholm's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women59%
  • Men40%

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

Dr. Phillip Ruben Chisholm wrote 520 Medicare Part D claims in 2024

In 2024, Dr. Chisholm wrote 520 Medicare Part D claims for 461 patients. 65% of them were for generic drugs. CMS names the drug for 485 of them, across 8 drugs with 11 or more claims each, at $57,276 in total drug cost. In 2023, CMS named 622 claims across 9 drugs.

Part D claims, 2024520
Drugs named by CMS8
Total drug cost$57,276
Part D patients461

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

  • Generic338 claims65%
  • Brand-name182 claims35%

Dr. Chisholm'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. Chisholm's Part D claims, 2024

  • Antibiotics3%13 of 520 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: 6222024: 48522%

Drugs named by CMS: 8 in 2024, 9 in 2023.

See all prescribing by Dr. Chisholm

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. Phillip Ruben Chisholm 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. Chisholm for performance year 2024, reported as part of a group. Dr. Chisholm accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chisholm as offering telehealth. CMS counts 129 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Chisholm, more than 82% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Chisholm'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. Chisholm ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
82nd percentile129 procedures
Colonoscopy
53rd percentile28 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. Phillip Ruben Chisholm received $941 in industry payments from 2017 to 2025

CMS Open Payments shows 9 general payments to Dr. Chisholm from 2 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 90% of the total. Boston Scientific Corporation paid the most, $847.

General payments to Dr. Chisholm by program year, 2017 to 2025

General payments to Dr. Chisholm by kind, 2017 to 2025

$941in total
  • Food and beverage$84790%
  • Education$9410%

Companies that paid Dr. Chisholm the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chisholm

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

Dr. Phillip Ruben Chisholm graduated from Washington University School of Medicine

Dr. Chisholm graduated from Washington University School of Medicine in 2011.

  1. Medical schoolWashington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Phillip Ruben Chisholm'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)
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. Phillip Ruben Chisholm

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. Phillip Ruben Chisholm's NPI number?

Dr. Phillip Ruben Chisholm's NPI number is 1356636278. It was assigned on June 20, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Phillip Ruben Chisholm?

Dr. Phillip Ruben Chisholm is a gastroenterologist in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Phillip Ruben Chisholm practice?

Dr. Chisholm practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. Dr. Chisholm's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Dr. Chisholm to 1 medical group.

What is Dr. Phillip Ruben Chisholm's office phone number?

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

What is Dr. Phillip Ruben Chisholm's medical license number?

Dr. Chisholm holds Wisconsin license 69482, one of the licenses on file in 2 states.

Which states has Dr. Phillip Ruben Chisholm been licensed in?

Dmand AI has state licenses on file for Dr. Chisholm in Wisconsin and Missouri.

Which hospitals is Dr. Phillip Ruben Chisholm affiliated with?

Dr. Chisholm practices at Froedtert Hospital in Milwaukee, Wisconsin. Dr. Chisholm is also affiliated with Froedtert Menomonee Falls Hospital.

What medical group is Dr. Phillip Ruben Chisholm part of?

Dr. Chisholm is linked to Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI links Dr. Chisholm to 1 more medical group.

Does Dr. Phillip Ruben Chisholm accept Medicare?

Yes. CMS data shows Dr. Chisholm billed Medicare for 128 services in 2024, and Dr. Chisholm accepts Medicare assignment.

Does Dr. Phillip Ruben Chisholm offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chisholm as offering telehealth services.

Show 7 more questionsShow fewer questions

What is Dr. Phillip Ruben Chisholm's MIPS score?

Dr. Chisholm'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. Phillip Ruben Chisholm see?

CMS counts 114 Medicare patients who saw Dr. Chisholm in 2024, with an average age of 69.

What services does Dr. Phillip Ruben Chisholm bill to Medicare?

In 2024, Dr. Chisholm's most billed Medicare services were surgery: digestive system (43239), surgery: digestive system (45385) and hospital inpatient care (99222).

Where did Dr. Phillip Ruben Chisholm go to medical school?

Dr. Chisholm graduated from Washington University School of Medicine in 2011.

What drugs does Dr. Phillip Ruben Chisholm prescribe most?

In 2024 Medicare Part D data, Dr. Chisholm's most prescribed drugs by claims were Gavilyte-G, Peg-3350 And Electrolytes and Peg 3350-Electrolyte.

Has Dr. Phillip Ruben Chisholm received payments from drug or device companies?

CMS Open Payments shows $941 in general payments to Dr. Chisholm from 2 companies from 2017 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Phillip Ruben Chisholm been practicing?

Dr. Chisholm graduated from medical school in 2011, 15 years ago.

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