Christopher Drake Tollenaar, DC

  • Portland, OR
  • Chiropractor
NPI1164463295PAC ID8224926969
Medicare patients, 2024
78
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2006
Practice address
11565 Sw Durham Rd, Portland, OR 97224
Practice phone
Call (503) 639-0778
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Cornerstone Chiropractic

Portland, Oregon

See all 3 affiliations

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Christopher Drake Tollenaar is a chiropractor in Portland, Oregon

Christopher Tollenaar practices at Cornerstone Chiropractic in Portland, Oregon.

Christopher Tollenaar's NPI, 1164463295, was assigned on June 9, 2006. Christopher Tollenaar graduated from Western States College of Chiropractic in 1993. Christopher Tollenaar holds Oregon license Z904.

NPI and contact details
Medicare PAC ID
8224926969
NPI enumeration date
June 9, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(503) 639-0778
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; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Christopher Drake Tollenaar practices at Cornerstone Chiropractic in Portland, Oregon

Christopher Tollenaar's primary practice is Cornerstone Chiropractic, at 11565 Sw Durham Rd, Portland, OR 97224 in Washington County. The practice phone is (503) 639-0778.

  • Cornerstone Chiropractic
    11565 Sw Durham Rd, Portland, OR 97224 · Washington CountyPhone(503) 639-0778

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

Christopher Drake Tollenaar is affiliated with 2 sites of care and 1 medical group

Christopher Tollenaar's primary practice is Cornerstone Chiropractic in Portland, Oregon. Dmand AI also links Christopher Tollenaar to 1 group practice or clinic and 1 medical group, each named with a free account.

See all 3 affiliations for Christopher Tollenaar

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

Dmand AI tracks the EHR system at Christopher Drake Tollenaar's practice

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

EHR by site
SiteEHR vendor and product
Cornerstone ChiropracticAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Christopher Drake Tollenaar is one of 836 chiropractors in Oregon

Chiropractor is Christopher Tollenaar's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Christopher Tollenaar is licensed in Oregon.

Specialties and state licenses

  • Chiropractor, OregonPrimaryLicense Z904 · taxonomy 111N00000X

Chiropractors near Christopher Tollenaar

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

Christopher Drake Tollenaar treated 78 Medicare patients in 2024, average age 73

CMS counts 78 Medicare patients who saw Christopher Tollenaar in 2024. The largest group is 65 to 74, with 44 patients. 63% of them have high cholesterol, and 56% have arthritis. Their average risk score is 1.04, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Christopher Tollenaar's median patient age at 57, with 62% women.

Medicare patients, 202478
Average age73
Average risk score1.04

Christopher Tollenaar's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Christopher Tollenaar's Medicare patients by sex, 2024

  • Women5064%
  • Men2836%

Chronic conditions among Christopher Tollenaar's Medicare patients, 2024

  1. High cholesterol63%
  2. Arthritis56%
  3. High blood pressure53%
  4. Osteoporosis22%
  5. Diabetes19%
  6. Atrial fibrillation17%
  7. Mood disorders17%
  8. Asthma15%

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

Christopher Tollenaar's patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women62%
  • Men37%

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

How Christopher Drake Tollenaar takes part in Medicare

Christopher Tollenaar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Christopher Drake Tollenaar graduated from Western States College of Chiropractic

Christopher Tollenaar graduated from Western States College of Chiropractic in 1993.

  1. Medical schoolWestern States College of Chiropractic

Source: Dmand AI Professional Profile Data

Sources for Christopher Drake Tollenaar'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 Christopher Drake Tollenaar

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

What is Christopher Drake Tollenaar's NPI number?

Christopher Drake Tollenaar's NPI number is 1164463295. It was assigned on June 9, 2006, and it is active in the NPI Registry.

What does Christopher Drake Tollenaar specialize in?

Christopher Drake Tollenaar is a chiropractor in Portland, Oregon. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).

Where does Christopher Drake Tollenaar practice?

Christopher Tollenaar practices at 11565 Sw Durham Rd, Portland, OR 97224. Christopher Tollenaar's primary practice is Cornerstone Chiropractic in Portland, Oregon. Dmand AI also links Christopher Tollenaar to 1 group practice or clinic and 1 medical group.

What is Christopher Drake Tollenaar's office phone number?

The practice phone on file for Christopher Tollenaar is (503) 639-0778.

What is Christopher Drake Tollenaar's medical license number?

Christopher Tollenaar holds Oregon license Z904.

Does Christopher Drake Tollenaar accept Medicare?

Yes. CMS lists Christopher Tollenaar as accepting Medicare assignment.

How many Medicare patients does Christopher Drake Tollenaar see?

CMS counts 78 Medicare patients who saw Christopher Tollenaar in 2024, with an average age of 73.

Where did Christopher Drake Tollenaar go to medical school?

Christopher Tollenaar graduated from Western States College of Chiropractic in 1993.

How long has Christopher Drake Tollenaar been practicing?

Christopher Tollenaar graduated from medical school in 1993, 33 years ago.

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