William Curtis Herwig, DC

  • Dixon, IL
  • Chiropractor
NPI1871587139PAC ID8527165521
Medicare patients, 2024
67
Affiliated sites
1
State license
1
Year NPI issued
2005
Practice address
115 N Galena Ave, Dixon, IL 61021
Practice phone
Call (815) 622-2863
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Carlson Acupuncture and Chiropractice Clinic

Dixon, Illinois

See all 2 affiliations

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William Curtis Herwig is a chiropractor in Dixon, Illinois

William Herwig practices at Carlson Acupuncture and Chiropractice Clinic in Dixon, Illinois.

William Herwig's NPI, 1871587139, was assigned on September 1, 2005. William Herwig graduated from Palmer College Chiropractic - Davenport in 1993. William Herwig holds Illinois license 038007374.

NPI and contact details
Medicare PAC ID
8527165521
NPI enumeration date
September 1, 2005
NPI status
Active
Practice phone
(815) 622-2863
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
59
Medical school graduation
1993

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

William Curtis Herwig practices at Carlson Acupuncture and Chiropractice Clinic in Dixon, Illinois

William Herwig's primary practice is Carlson Acupuncture and Chiropractice Clinic, at 115 N Galena Ave, Dixon, IL 61021 in Lee County. The practice phone is (815) 622-2863.

  • Carlson Acupuncture and Chiropractice Clinic
    115 N Galena Ave, Dixon, IL 61021 · Lee CountyPhone(815) 622-2863

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

William Curtis Herwig is affiliated with 2 sites of care

William Herwig's primary practice is Carlson Acupuncture and Chiropractice Clinic in Dixon, Illinois. Dmand AI also links William Herwig to 1 physician office, named with a free account.

Carlson Acupuncture and Chiropractice ClinicDixon, IllinoisPrimary
1 physician officeName with a free account
See all 2 affiliations for William Herwig

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

Dmand AI tracks the EHR system at William Curtis Herwig's practice

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

EHR by site
SiteEHR vendor and product
Carlson Acupuncture and Chiropractice ClinicAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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William Curtis Herwig is one of 2,276 chiropractors in Illinois

Chiropractor is William Herwig's primary specialty in the NPI Registry, under taxonomy code 111N00000X. William Herwig is licensed in Illinois.

Specialties and state licenses

  • Chiropractor, IllinoisPrimaryLicense 038007374 · taxonomy 111N00000X

Chiropractors near William Herwig

Counts of chiropractors with a Dmand AI profile, by place and practice. Each opens the list.

2,276chiropractors in Illinois
6chiropractors in Dixon

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

William Curtis Herwig treated 67 Medicare patients in 2024, average age 74

CMS counts 67 Medicare patients who saw William Herwig in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have arthritis, and 70% have high cholesterol. Their average risk score is 0.88, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts William Herwig's median patient age at 52, with 57% women.

Medicare patients, 202467
Average age74
Average risk score0.88

William Herwig's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

William Herwig's Medicare patients by sex, 2024

  • Women3349%
  • Men3451%

Chronic conditions among William Herwig's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol70%
  3. High blood pressure67%
  4. Diabetes30%
  5. Ischemic heart disease19%
  6. Anxiety16%

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

William Herwig's patients across all payers

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

Patient panel by age, all payers

Median age 52

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

William Curtis Herwig graduated from Palmer College Chiropractic - Davenport

William Herwig graduated from Palmer College Chiropractic - Davenport in 1993.

  1. Medical schoolPalmer College Chiropractic - Davenport

Source: Dmand AI Professional Profile Data

Sources for William Curtis Herwig'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 William Curtis Herwig

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

What is William Curtis Herwig's NPI number?

William Curtis Herwig's NPI number is 1871587139. It was assigned on September 1, 2005, and it is active in the NPI Registry.

What does William Curtis Herwig specialize in?

William Curtis Herwig is a chiropractor in Dixon, Illinois. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).

Where does William Curtis Herwig practice?

William Herwig practices at 115 N Galena Ave, Dixon, IL 61021. William Herwig's primary practice is Carlson Acupuncture and Chiropractice Clinic in Dixon, Illinois. Dmand AI also links William Herwig to 1 physician office.

What is William Curtis Herwig's office phone number?

The practice phone on file for William Herwig is (815) 622-2863.

What is William Curtis Herwig's medical license number?

William Herwig holds Illinois license 038007374.

How many Medicare patients does William Curtis Herwig see?

CMS counts 67 Medicare patients who saw William Herwig in 2024, with an average age of 74.

Where did William Curtis Herwig go to medical school?

William Herwig graduated from Palmer College Chiropractic - Davenport in 1993.

How long has William Curtis Herwig been practicing?

William Herwig graduated from medical school in 1993, 33 years ago.

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