John R. Hiemstra, D.O.
Family Medicine Physician · Lynden, WA
John R. Hiemstra, D.O. is a family medicine physician with a practice address in Lynden, Washington, and NPI 1639102502, issued on Jul 7, 2006. Check the license (Washington OP00002028, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- John R. Hiemstra
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OP00002028 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1610 Grover St Ste D1, Lynden, WA 98264
- Phone
- (360) 354-1333
- Enumerated
- Jul 7, 2006
- Record last updated
- Apr 27, 2026
- Fax
- (360) 354-5399
- Medicare enrollment
- Enrolled (PECOS I20050830000825); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 1610 Grover St Ste D1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Baitis, MDFamily Medicine Physician1730512120
- Robin Caldwell, MDFamily Medicine Physician1881634087
- Jessica Depass, ARNPFamily Nurse Practitioner1124858238
- Kirstin Hansen, MDFamily Medicine Physician1467973917
- Katherine Mahoney, ARNPFamily Nurse Practitioner1336851252
- Brian Ostler, MDFamily Medicine Physician1609491463
Verify John R. Hiemstra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP00002028Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average family medicine physician in 2024
10,465 Medicare Part D claims for 652 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 305 claims were for opioids.
Most prescribed
- Lisinopril700 claims
- Atorvastatin Calcium545 claims
- Levothyroxine Sodium403 claims
- Omeprazole392 claims
- Losartan Potassium354 claims
- Metformin Hcl324 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.
The MIPS final score for 2023 (Medicare payment program): 83.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Family Care Network, PLLCLynden, WA
- Select Outpatient Services IncGlenview, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John R. Hiemstra among 5,534 family medicine physician records in Washington
John R. Hiemstra, D.O. is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2002 · median 2009 among the 3,294 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 family medicine physician records list a practice address in Lynden
They are 10 of the 208 NPPES records with a practice address in Lynden, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Lynden → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Steven Alexander, MDLynden, WA 982641457390007
- Jeffrey Baitis, MDLynden, WA 982641730512120
- Margaret Burden, MDLynden, WA 982641689614943
- Robin Caldwell, MDLynden, WA 982641881634087
- David Dickson, M.D.Lynden, WA 982641659327088
- Kirstin Hansen, MDLynden, WA 982641467973917
- Larry Hartwell, MDLynden, WA 982641609817238
- Brian Ostler, MDLynden, WA 982641609491463
Common questions
What is John R. Hiemstra, D.O.'s NPI number?
John R. Hiemstra, D.O.'s National Provider Identifier (NPI) is 1639102502, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John R. Hiemstra, D.O. located?
The NPPES record lists a practice address at 1610 Grover St Ste D1, Lynden, WA, 98264. Phone: (360) 354-1333. Providers update this record themselves, so call before visiting.
How can I verify John R. Hiemstra, D.O.'s license?
NPPES lists Washington license number OP00002028, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John R. Hiemstra, D.O. prescribe under Medicare Part D?
In 2024, John R. Hiemstra, D.O. had 10,465 Medicare Part D claims for 652 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is John R. Hiemstra, D.O.'s MIPS final score?
The 2023 MIPS final score is 83.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.