John Judson Spencer IV, CAA

  • Milwaukee, WI
  • Anesthesiologist assistant
NPI1740993435PAC ID1052785722
Medicare patients, 2024
125
MIPS score, 2024
88
Hospital affiliations
1
Medical group
1
State license
1
Practice address
9200 W Wisconsin Ave, Milwaukee, WI 53226
Practice phone
Call (414) 805-3000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Froedtert Hospital

Hospital · Milwaukee, Wisconsin

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John Judson Spencer IV is an anesthesiologist assistant in Milwaukee, Wisconsin

John Spencer practices at Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health.

John Spencer's NPI, 1740993435, was assigned on December 28, 2022. John Spencer holds Wisconsin license 520-17.

NPI and contact details
Medicare PAC ID
1052785722
NPI enumeration date
December 28, 2022
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
30
Medical school graduation
2022

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

John Judson Spencer IV practices at Froedtert Hospital in Milwaukee, Wisconsin

John Spencer'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

John Judson Spencer IV is affiliated with 1 site of care and 1 medical group

John Spencer'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 John Judson Spencer IV's practice

Dmand AI tracks the electronic health record (EHR) system at each site where John Spencer 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.

John Judson Spencer IV is one of 227 anesthesiologist assistants in Wisconsin

Anesthesiologist assistant is John Spencer's primary specialty in the NPI Registry, under taxonomy code 367H00000X. John Spencer is licensed in Wisconsin.

Specialties and state licenses

  • Anesthesiologist assistant, WisconsinPrimaryLicense 520-17 · taxonomy 367H00000X

Anesthesiologist assistants near John Spencer

Counts of anesthesiologist assistants 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

John Judson Spencer IV treated 125 Medicare patients in 2024, average age 72

CMS counts 125 Medicare patients who saw John Spencer in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts John Spencer's median patient age at 60, with 38% women.

Medicare patients, 2024125
Average age72
Average risk score1.88
Also on Medicaid14%

John Spencer's Medicare patients by age, 2024

John Spencer's Medicare patients by sex, 2024

  • Women6149%
  • Men6451%

Chronic conditions among John Spencer's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Ischemic heart disease42%
  5. Chronic kidney disease38%
  6. Mood disorders36%
  7. Anxiety35%
  8. Atrial fibrillation34%

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

John Spencer'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

  • Women38%
  • Men62%

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

John Judson Spencer IV 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 John Spencer for performance year 2024, reported as part of a group. John Spencer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

John Spencer'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

Sources for John Judson Spencer IV'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 patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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)
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 John Judson Spencer IV

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is John Judson Spencer IV's NPI number?

John Judson Spencer IV's NPI number is 1740993435. It was assigned on December 28, 2022, and it is active in the NPI Registry.

What does John Judson Spencer IV specialize in?

John Judson Spencer IV is an anesthesiologist assistant in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Anesthesiologist Assistant (taxonomy code 367H00000X).

Where does John Judson Spencer IV practice?

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

What is John Judson Spencer IV's office phone number?

The practice phone on file for John Spencer is (414) 805-3000.

What is John Judson Spencer IV's medical license number?

John Spencer holds Wisconsin license 520-17.

Which hospitals is John Judson Spencer IV affiliated with?

John Spencer practices at Froedtert Hospital in Milwaukee, Wisconsin.

What medical group is John Judson Spencer IV part of?

John Spencer is linked to Froedtert & the Medical College of Wisconsin Community Physicians.

Does John Judson Spencer IV accept Medicare?

Yes. CMS lists John Spencer as accepting Medicare assignment.

What is John Judson Spencer IV's MIPS score?

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

How many Medicare patients does John Judson Spencer IV see?

CMS counts 125 Medicare patients who saw John Spencer in 2024, with an average age of 72.

How long has John Judson Spencer IV been practicing?

John Spencer graduated from medical school in 2022, 4 years ago.

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