David William Fiedler, DC
- Medicare patients, 2024
- 164
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 434 E Palatine Rd, Palatine, IL 60074
- Practice phone
- Call (847) 398-0900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mary Olszewski and Associates P C
Palatine, Illinois
Find David Fiedler's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
David William Fiedler is a chiropractor in Palatine, Illinois
David Fiedler practices at Mary Olszewski and Associates P C in Palatine, Illinois.
David Fiedler's NPI, 1811099088, was assigned on September 1, 2006. David Fiedler graduated from National College of Chiropractic in 1986. David Fiedler holds Illinois license 038005944.
- NPI
- 1811099088NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345324802
- NPI enumeration date
- September 1, 2006
- NPI status
- Active
- Practice phone
- (847) 398-0900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
David William Fiedler practices at Mary Olszewski and Associates P C in Palatine, Illinois
David Fiedler's primary practice is Mary Olszewski and Associates P C, at 434 E Palatine Rd, Palatine, IL 60074 in Cook County. The practice phone is (847) 398-0900.
- Mary Olszewski and Associates P C434 E Palatine Rd, Palatine, IL 60074 · Cook CountyPhone(847) 398-0900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
David William Fiedler is affiliated with 2 sites of care
David Fiedler's primary practice is Mary Olszewski and Associates P C in Palatine, Illinois. Dmand AI also links David Fiedler to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David William Fiedler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Fiedler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mary Olszewski and Associates P C | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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David William Fiedler is one of 2,276 chiropractors in Illinois
Chiropractor is David Fiedler's primary specialty in the NPI Registry, under taxonomy code 111N00000X. David Fiedler is licensed in Illinois.
Specialties and state licenses
- Chiropractor, IllinoisPrimary
Chiropractors near David Fiedler
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
David William Fiedler treated 164 Medicare patients in 2024, average age 75
CMS counts 164 Medicare patients who saw David Fiedler in 2024. The largest group is 65 to 74, with 86 patients. 75% of them have high cholesterol, and 57% have high blood pressure. Their average risk score is 0.81, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts David Fiedler's median patient age at 59, with 61% women.
David Fiedler's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
David Fiedler's Medicare patients by sex, 2024
- Women11067%
- Men5433%
Chronic conditions among David Fiedler's Medicare patients, 2024
- High cholesterol75%
- High blood pressure57%
- Arthritis48%
- Anxiety19%
- Ischemic heart disease19%
- Osteoporosis18%
- Mood disorders15%
- Atrial fibrillation14%
Share of Medicare patients with each condition. A patient can have several.
David Fiedler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David William Fiedler graduated from National College of Chiropractic
David Fiedler graduated from National College of Chiropractic in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for David William Fiedler's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about David William Fiedler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David William Fiedler's NPI number?
David William Fiedler's NPI number is 1811099088. It was assigned on September 1, 2006, and it is active in the NPI Registry.
What does David William Fiedler specialize in?
David William Fiedler is a chiropractor in Palatine, Illinois. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does David William Fiedler practice?
David Fiedler practices at 434 E Palatine Rd, Palatine, IL 60074. David Fiedler's primary practice is Mary Olszewski and Associates P C in Palatine, Illinois. Dmand AI also links David Fiedler to 1 physician office.
What is David William Fiedler's office phone number?
The practice phone on file for David Fiedler is (847) 398-0900.
What is David William Fiedler's medical license number?
David Fiedler holds Illinois license 038005944.
How many Medicare patients does David William Fiedler see?
CMS counts 164 Medicare patients who saw David Fiedler in 2024, with an average age of 75.
Where did David William Fiedler go to medical school?
David Fiedler graduated from National College of Chiropractic in 1986.
How long has David William Fiedler been practicing?
David Fiedler graduated from medical school in 1986, 40 years ago.
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