NPPES file of Aug 9, 2026

Jack O. Derks, MD

Family Medicine Physician · Holland, MI

Jack O. Derks, MD is a family medicine physician with a practice address in Holland, Michigan, and NPI 1134144413, issued on Jul 13, 2006. Check the license (Michigan 4301028907, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134144413
Name
Jack O. Derks
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301028907 MI
Self-reported in NPPES; status is on the state search
Practice location
601 Michigan Ave Ste 104, Holland, MI 49423
Phone
(616) 392-2361
Enumerated
Jul 13, 2006
Record last updated
Dec 11, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(616) 392-2364
Medicaid ID
101138661 MI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →

Also registered at 601 Michigan Ave Ste 104

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kathleen Dirkse, FNPFamily Nurse Practitioner1073538336
  2. Richard Kempf, MDFamily Medicine Physician1528083896

Verify Jack O. Derks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301028907    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Jack O. Derks among 6,013 family medicine physician records in Michigan

Jack O. Derks, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 56% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2007 · 58% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

53 family medicine physician records list a practice address in Holland

They are 53 of the 2,124 NPPES records with a practice address in Holland, and 6,013 family medicine physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 6,013 in Michigan → Every provider in Holland → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Kristine Aulepp, DOHolland, MI 494231285655522
  2. Kristin Baier, M.D.Holland, MI 494231316236987
  3. William Bonzelaar, M.D.032354Holland, MI 494231053374165
  4. David Bosscher, D.O.Holland, MI 494231417950270
  5. Peter Christensen, DOHolland, MI 494231720007834
  6. Margret Duncan, MDHolland, MI 494231114940434
  7. Russell Dykstra, M.D.Holland, MI 494231225091333
  8. Courtney Erickson-Adams, M.D.Holland, MI 494231093943771

Common questions

What is Jack O. Derks, MD's NPI number?

Jack O. Derks, MD's National Provider Identifier (NPI) is 1134144413, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jack O. Derks, MD located?

The NPPES record lists a practice address at 601 Michigan Ave Ste 104, Holland, MI, 49423. Phone: (616) 392-2361. Providers update this record themselves, so call before visiting.

How can I verify Jack O. Derks, MD's license?

NPPES lists Michigan license number 4301028907, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.