Gregg Eric Nielsen, DC

  • Milwaukee, WI
  • Chiropractor
NPI1689623423PAC ID2466576202
Medicare patients, 2024
18
Hospital affiliations
1
State license
1
Year NPI issued
2006
Practice address
8901 W Lincoln Ave, West Allis, WI 53227
Practice phone
Call (414) 328-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Aurora West Allis Medical Center

Hospital · West Allis, Wisconsin

See all 2 affiliations

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Gregg Eric Nielsen is a chiropractor in Milwaukee, Wisconsin

Gregg Nielsen practices at Aurora West Allis Medical Center in West Allis, Wisconsin, part of Advocate Health.

Gregg Nielsen's NPI, 1689623423, was assigned on May 9, 2006. Gregg Nielsen graduated from Cleveland Chiropractic College - Kansas City in 1984. Gregg Nielsen holds Wisconsin license 1969.

NPI and contact details
Medicare PAC ID
2466576202
NPI enumeration date
May 9, 2006
NPI status
Active
Practice phone
(414) 328-6000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
68
Medical school graduation
1984

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Gregg Eric Nielsen practices at Aurora West Allis Medical Center in West Allis, Wisconsin

Gregg Nielsen's primary practice is Aurora West Allis Medical Center, at 8901 W Lincoln Ave, West Allis, WI 53227 in Milwaukee County. The practice phone is (414) 328-6000.

Source: Dmand AI Affiliation Data

Gregg Eric Nielsen is affiliated with 2 sites of care

Gregg Nielsen's primary practice is Aurora West Allis Medical Center in West Allis, Wisconsin, part of Advocate Health. Dmand AI also links Gregg Nielsen to 1 hospital outpatient department, named with a free account.

See all 2 affiliations for Gregg Nielsen

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

Dmand AI tracks the EHR system at Gregg Eric Nielsen's practice

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

EHR by site
SiteEHR vendor and product
Aurora West Allis Medical CenterAvailable with a free account
+1 more affiliated siteAvailable 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 Advocate Health and 6.2K+ hospitals, with verified contacts in the same login.

Gregg Eric Nielsen is one of 1,792 chiropractors in Wisconsin

Chiropractor is Gregg Nielsen's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Gregg Nielsen is licensed in Wisconsin.

Specialties and state licenses

  • Chiropractor, WisconsinPrimaryLicense 1969 · taxonomy 111N00000X

Chiropractors near Gregg Nielsen

Counts of chiropractors 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

Gregg Eric Nielsen treated 18 Medicare patients in 2024, average age 79

CMS counts 18 Medicare patients who saw Gregg Nielsen in 2024. The largest group is under 65, with 0 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.81, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Gregg Nielsen's median patient age at 73, with 67% women.

Medicare patients, 202418
Average age79
Average risk score0.81

Gregg Nielsen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Gregg Nielsen's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%

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

Gregg Nielsen's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women67%
  • Men33%

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

Gregg Eric Nielsen graduated from Cleveland Chiropractic College - Kansas City

Gregg Nielsen graduated from Cleveland Chiropractic College - Kansas City in 1984.

  1. Medical schoolCleveland Chiropractic College - Kansas City

Source: Dmand AI Professional Profile Data

Sources for Gregg Eric Nielsen'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)
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 Gregg Eric Nielsen

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

What is Gregg Eric Nielsen's NPI number?

Gregg Eric Nielsen's NPI number is 1689623423. It was assigned on May 9, 2006, and it is active in the NPI Registry.

What does Gregg Eric Nielsen specialize in?

Gregg Eric Nielsen is a chiropractor in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).

Where does Gregg Eric Nielsen practice?

Gregg Nielsen practices at 8901 W Lincoln Ave, West Allis, WI 53227. Gregg Nielsen's primary practice is Aurora West Allis Medical Center in West Allis, Wisconsin, part of Advocate Health. Dmand AI also links Gregg Nielsen to 1 hospital outpatient department.

What is Gregg Eric Nielsen's office phone number?

The practice phone on file for Gregg Nielsen is (414) 328-6000.

What is Gregg Eric Nielsen's medical license number?

Gregg Nielsen holds Wisconsin license 1969.

Which hospitals is Gregg Eric Nielsen affiliated with?

Gregg Nielsen practices at Aurora West Allis Medical Center in West Allis, Wisconsin.

How many Medicare patients does Gregg Eric Nielsen see?

CMS counts 18 Medicare patients who saw Gregg Nielsen in 2024, with an average age of 79.

Where did Gregg Eric Nielsen go to medical school?

Gregg Nielsen graduated from Cleveland Chiropractic College - Kansas City in 1984.

How long has Gregg Eric Nielsen been practicing?

Gregg Nielsen graduated from medical school in 1984, 42 years ago.

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