Mark J. Den Hartog, DC
- Affiliated sites
- 1
- Medical groups
- 2
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 626 128th SW St, Everett, WA 98204
- Practice phone
- Call (425) 513-1880
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Olympic View Chiropractic, PS
Everett, Washington
Find Mark Den Hartog'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.
Mark J. Den Hartog is a chiropractor in Everett, Washington
Mark Den Hartog practices at Olympic View Chiropractic, PS in Everett, Washington.
Mark Den Hartog's NPI, 1023081155, was assigned on February 9, 2006. Mark Den Hartog graduated from Northwestern College of Chiropractic in 1992. Mark Den Hartog holds Oregon license 6485.
- NPI
- 1023081155NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618910738
- NPI enumeration date
- February 9, 2006
- NPI status
- Active
- Practice phone
- (425) 513-1880
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Mark J. Den Hartog practices at Olympic View Chiropractic, PS in Everett, Washington
Mark Den Hartog's primary practice is Olympic View Chiropractic, PS, at 626 128th SW St, Everett, WA 98204 in Snohomish County. The practice phone is (425) 513-1880.
- Olympic View Chiropractic, PS626 128th SW St, Everett, WA 98204 · Snohomish CountyPhone(425) 513-1880
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mark J. Den Hartog is affiliated with 2 sites of care and 2 medical groups
Mark Den Hartog's primary practice is Olympic View Chiropractic, PS in Everett, Washington. Dmand AI also links Mark Den Hartog to 2 medical groups and 1 group practice or clinic, 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 Mark J. Den Hartog's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Den Hartog practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Olympic View Chiropractic, PS | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark J. Den Hartog is one of 1,533 chiropractors in Washington
Chiropractor is Mark Den Hartog's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Dmand AI has Mark Den Hartog's licenses on file in 2 states: Oregon and Washington.
Specialties and state licenses
- Chiropractor, OregonPrimary
- Washington license
Chiropractors near Mark Den Hartog
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
Mark J. Den Hartog's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Mark Den Hartog's median patient age at 59, with 71% women.
Mark Den Hartog'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
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Mark J. Den Hartog graduated from Northwestern College of Chiropractic
Mark Den Hartog graduated from Northwestern College of Chiropractic in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mark J. Den Hartog'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 Data |
| 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 Mark J. Den Hartog
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark J. Den Hartog's NPI number?
Mark J. Den Hartog's NPI number is 1023081155. It was assigned on February 9, 2006, and it is active in the NPI Registry.
What does Mark J. Den Hartog specialize in?
Mark J. Den Hartog is a chiropractor in Everett, Washington. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does Mark J. Den Hartog practice?
Mark Den Hartog practices at 626 128th SW St, Everett, WA 98204. Mark Den Hartog's primary practice is Olympic View Chiropractic, PS in Everett, Washington. Dmand AI also links Mark Den Hartog to 2 medical groups and 1 group practice or clinic.
What is Mark J. Den Hartog's office phone number?
The practice phone on file for Mark Den Hartog is (425) 513-1880.
What is Mark J. Den Hartog's medical license number?
Mark Den Hartog holds Oregon license 6485, one of the licenses on file in 2 states.
Which states has Mark J. Den Hartog been licensed in?
Dmand AI has state licenses on file for Mark Den Hartog in Oregon and Washington.
Where did Mark J. Den Hartog go to medical school?
Mark Den Hartog graduated from Northwestern College of Chiropractic in 1992.
How long has Mark J. Den Hartog been practicing?
Mark Den Hartog graduated from medical school in 1992, 34 years ago.
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