Adam Mark Klassen, DC

  • Bellingham, WA
  • Chiropractor
NPI1356669576PAC ID3173654381
Medicare patients, 2024
122
Hospital affiliations
1
Industry payments
$103
Medical groups
2
State license
1
Practice address
2000 N State St, Bellingham, WA 98225
Practice phone
Call (360) 671-1710
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Natural Way Chiropractic of Oak Harbor

Bellingham, Washington

See all 6 affiliations

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Adam Mark Klassen is a chiropractor in Bellingham, Washington

Adam Klassen practices at Natural Way Chiropractic of Oak Harbor in Bellingham, Washington.

Adam Klassen's NPI, 1356669576, was assigned on May 12, 2010. Adam Klassen graduated from Palmer College Chiropractic - West Sunnyvale in 2010. Adam Klassen holds Washington license CH60145297.

NPI and contact details
Medicare PAC ID
3173654381
NPI enumeration date
May 12, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(360) 671-1710
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Adam Mark Klassen practices at Natural Way Chiropractic of Oak Harbor in Bellingham, Washington

Adam Klassen's primary practice is Natural Way Chiropractic of Oak Harbor, at 2000 N State St, Bellingham, WA 98225 in Whatcom County. The practice phone is (360) 671-1710.

  • Natural Way Chiropractic of Oak Harbor
    2000 N State St, Bellingham, WA 98225 · Whatcom CountyPhone(360) 671-1710

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

Adam Mark Klassen is affiliated with 4 sites of care and 2 medical groups

Adam Klassen's primary practice is Natural Way Chiropractic of Oak Harbor in Bellingham, Washington. Adam Klassen is also affiliated with WhidbeyHealth Medical Center. Dmand AI also links Adam Klassen to 2 more group practices and clinics and 2 medical groups, each named with a free account.

See all 6 affiliations for Adam Klassen

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

Dmand AI tracks the EHR system at Adam Mark Klassen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Adam Klassen practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Natural Way Chiropractic of Oak HarborAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Adam Mark Klassen is one of 1,533 chiropractors in Washington

Chiropractor is Adam Klassen's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Adam Klassen is licensed in Washington.

Specialties and state licenses

  • Chiropractor, WashingtonPrimaryLicense CH60145297 · taxonomy 111N00000X

Chiropractors near Adam Klassen

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

Adam Mark Klassen treated 122 Medicare patients in 2024, average age 71

CMS counts 122 Medicare patients who saw Adam Klassen in 2024. The largest group is 65 to 74, with 71 patients. 58% of them have high cholesterol, and 47% have high blood pressure. Their average risk score is 0.72, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Adam Klassen's median patient age at 56, with 62% women.

Medicare patients, 2024122
Average age71
Average risk score0.72

Adam Klassen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Adam Klassen's Medicare patients by sex, 2024

  • Women7864%
  • Men4436%

Chronic conditions among Adam Klassen's Medicare patients, 2024

  1. High cholesterol58%
  2. High blood pressure47%
  3. Arthritis39%
  4. Diabetes25%
  5. Mood disorders16%
  6. Anxiety15%
  7. Depression15%
  8. Ischemic heart disease15%

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

Adam Klassen's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women62%
  • Men35%

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

How Adam Mark Klassen takes part in Medicare

Adam Klassen 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)

Adam Mark Klassen received $103 in industry payments in 2025

CMS Open Payments shows 1 general payment to Adam Klassen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Si-bone, Inc. paid the most, $103.

Companies that paid Adam Klassen the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Adam Klassen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Adam Mark Klassen graduated from Palmer College Chiropractic - West Sunnyvale

Adam Klassen graduated from Palmer College Chiropractic - West Sunnyvale in 2010.

  1. Medical schoolPalmer College Chiropractic - West Sunnyvale

Source: Dmand AI Professional Profile Data

Sources for Adam Mark Klassen'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)
Industry paymentsOpen Payments (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 Adam Mark Klassen

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

What is Adam Mark Klassen's NPI number?

Adam Mark Klassen's NPI number is 1356669576. It was assigned on May 12, 2010, and it is active in the NPI Registry.

What does Adam Mark Klassen specialize in?

Adam Mark Klassen is a chiropractor in Bellingham, Washington. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).

Where does Adam Mark Klassen practice?

Adam Klassen practices at 2000 N State St, Bellingham, WA 98225. Adam Klassen's primary practice is Natural Way Chiropractic of Oak Harbor in Bellingham, Washington. Dmand AI also links Adam Klassen to 2 group practices and clinics and 2 medical groups.

What is Adam Mark Klassen's office phone number?

The practice phone on file for Adam Klassen is (360) 671-1710.

What is Adam Mark Klassen's medical license number?

Adam Klassen holds Washington license CH60145297.

Which hospitals is Adam Mark Klassen affiliated with?

Adam Klassen is affiliated with WhidbeyHealth Medical Center.

Does Adam Mark Klassen accept Medicare?

Yes. CMS lists Adam Klassen as accepting Medicare assignment.

How many Medicare patients does Adam Mark Klassen see?

CMS counts 122 Medicare patients who saw Adam Klassen in 2024, with an average age of 71.

Where did Adam Mark Klassen go to medical school?

Adam Klassen graduated from Palmer College Chiropractic - West Sunnyvale in 2010.

Has Adam Mark Klassen received payments from drug or device companies?

CMS Open Payments shows $103 in general payments to Adam Klassen from 1 company from 2025 to 2025. The largest total came from Si-bone, Inc.

How long has Adam Mark Klassen been practicing?

Adam Klassen graduated from medical school in 2010, 16 years ago.

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