Hendrik S. Kok, PA C
Physician Assistant · Bellingham, WA
Hendrik S. Kok, PA C is a physician assistant with a practice address in Bellingham, Washington, and NPI 1235321183, issued on Aug 14, 2007. Check the license (Washington PA10005230, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hendrik S. Kok
- Credential
- PA C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA10005230 WA
Self-reported in NPPES; status is on the state search - Practice location
- 710 Birchwood Ave, Bellingham, WA 98225
- Phone
- (360) 676-0922
- Enumerated
- Aug 14, 2007
- Record last updated
- Dec 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (360) 671-4726
- Medicaid ID
- 8494338 WA
- Medicare enrollment
- Enrolled (PECOS I20071017000294); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2007
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 710 Birchwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hendrik S. Kok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA10005230Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average physician assistant in 2024
125 Medicare Part D claims for 62 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 59 claims were for opioids.
Most prescribed
- Methylprednisolone35 claims
- Oxycodone-Acetaminophen34 claims
- Cyclobenzaprine Hcl26 claims
- Oxycodone Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,477.54
11 payments; by number, the most common kind was food and beverage; the largest payer was Globus Medical, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Fourth Corner Neurosurgical Associates Inc PSBellingham, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hendrik S. Kok among 3,718 physician assistant records in Washington
Hendrik S. Kok, PA C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 73% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2007 · median 2017 among the 2,460 with a school on file
- Record last updated2011 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
65 physician assistant records list a practice address in Bellingham
They are 65 of the 5,172 NPPES records with a practice address in Bellingham, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Bellingham → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Berke Altan, PACBellingham, WA 982251366512824
- Joshua Brawley, PACBellingham, WA 982251326067679
- Kelli Cole-Vadjic, PA-CBellingham, WA 982251891755989
- Erica Dascher, PABellingham, WA 982251578651568
- Carrie Dyer, PABellingham, WA 982251306934302
- John Eudy, PABellingham, WA 982251033180872
- Karin Jones, PA-CBellingham, WA 982251588671317
- Jonna Kelly, PA-CBellingham, WA 982251497856314
Common questions
What is Hendrik S. Kok, PA C's NPI number?
Hendrik S. Kok, PA C's National Provider Identifier (NPI) is 1235321183, issued on Aug 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Hendrik S. Kok, PA C located?
The NPPES record lists a practice address at 710 Birchwood Ave, Bellingham, WA, 98225. Phone: (360) 676-0922. Providers update this record themselves, so call before visiting.
How can I verify Hendrik S. Kok, PA C's license?
NPPES lists Washington license number PA10005230, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Hendrik S. Kok, PA C prescribe under Medicare Part D?
In 2024, Hendrik S. Kok, PA C had 125 Medicare Part D claims for 62 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.