Neil D. Tieszen, DC
- Medicare patients, 2024
- 14
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 10740 4th St, Rancho Cucamonga, CA 91730
- Practice phone
- Call (907) 677-6345
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tieszen Chiropractic
Rancho Cucamonga, California
Find Neil Tieszen'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.
Neil D. Tieszen is a chiropractor in Rancho Cucamonga, California
Neil Tieszen practices at Tieszen Chiropractic in Rancho Cucamonga, California.
Neil Tieszen's NPI, 1669510673, was assigned on February 2, 2007. Neil Tieszen graduated from Northwestern College of Chiropractic in 1989. Neil Tieszen holds Alaska license 231.
- NPI
- 1669510673NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456484377
- NPI enumeration date
- February 2, 2007
- NPI status
- Active
- Practice phone
- (907) 677-6345
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Neil D. Tieszen practices at Tieszen Chiropractic in Rancho Cucamonga, California
Neil Tieszen's primary practice is Tieszen Chiropractic, at 10740 4th St, Rancho Cucamonga, CA 91730 in San Bernardino County. The practice phone is (907) 677-6345.
- Tieszen Chiropractic10740 4th St, Rancho Cucamonga, CA 91730 · San Bernardino CountyPhone(907) 677-6345
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Neil D. Tieszen is affiliated with 2 sites of care and 1 medical group
Neil Tieszen's primary practice is Tieszen Chiropractic in Rancho Cucamonga, California. Dmand AI also links Neil Tieszen to 1 group practice or clinic and 1 medical group, each 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 Neil D. Tieszen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Neil Tieszen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tieszen Chiropractic | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Neil D. Tieszen is one of 4,365 chiropractors in California
Chiropractor is Neil Tieszen's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Neil Tieszen is licensed in Alaska.
Specialties and state licenses
- Chiropractor, AlaskaPrimary
Chiropractors near Neil Tieszen
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
Neil D. Tieszen treated 14 Medicare patients in 2024, average age 72
CMS counts 14 Medicare patients who saw Neil Tieszen in 2024. The largest group is under 65, with 0 patients. Their average risk score is 0.68, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Neil Tieszen's median patient age at 47, with 55% women.
Neil Tieszen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Neil Tieszen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Neil D. Tieszen graduated from Northwestern College of Chiropractic
Neil Tieszen graduated from Northwestern College of Chiropractic in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Neil D. Tieszen'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 Neil D. Tieszen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Neil D. Tieszen's NPI number?
Neil D. Tieszen's NPI number is 1669510673. It was assigned on February 2, 2007, and it is active in the NPI Registry.
What does Neil D. Tieszen specialize in?
Neil D. Tieszen is a chiropractor in Rancho Cucamonga, California. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does Neil D. Tieszen practice?
Neil Tieszen practices at 10740 4th St, Rancho Cucamonga, CA 91730. Neil Tieszen's primary practice is Tieszen Chiropractic in Rancho Cucamonga, California. Dmand AI also links Neil Tieszen to 1 group practice or clinic and 1 medical group.
What is Neil D. Tieszen's office phone number?
The practice phone on file for Neil Tieszen is (907) 677-6345.
What is Neil D. Tieszen's medical license number?
Neil Tieszen holds Alaska license 231.
How many Medicare patients does Neil D. Tieszen see?
CMS counts 14 Medicare patients who saw Neil Tieszen in 2024, with an average age of 72.
Where did Neil D. Tieszen go to medical school?
Neil Tieszen graduated from Northwestern College of Chiropractic in 1989.
How long has Neil D. Tieszen been practicing?
Neil Tieszen graduated from medical school in 1989, 37 years ago.
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