Theodore J. Vanderkooi, M.D.
Surgery Physician · Fremont, MI
Theodore J. Vanderkooi, M.D. is a surgery physician with a practice address in Fremont, Michigan, and NPI 1801849120, issued on May 18, 2006. Check the license (Michigan 065627, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Theodore J. Vanderkooi
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 065627 MI
Self-reported in NPPES; status is on the state search - Practice location
- 230 W Oak St, Fremont, MI 49412
- Phone
- (231) 924-4200
- Enumerated
- May 18, 2006
- Record last updated
- Jul 11, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (616) 267-9046
- Medicare enrollment
- Enrolled (PECOS I20101011000648); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1995
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,376 in Michigan → Look up another NPI →
Also registered at 230 W Oak St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caylee Bont, PA-CPhysician Assistant1942639844
- Richard Boss, M.D.Family Medicine Physician1366492852
- Rebecca Bruins, PAPhysician Assistant1477320919
- Stacey Butch, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1487178786
- Chad CarpenterPharmacist1487067625
- Randall Ceton, M.D.Family Medicine Physician1801846316
Verify Theodore J. Vanderkooi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 065627Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average surgery physician in 2024
120 Medicare Part D claims for 67 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 51 claims were for opioids.
Most prescribed
- Tramadol Hcl45 claims
- Metronidazole15 claims
- Omeprazole15 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: $78.62
4 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 17,103 providers of this specialty with any payment received $3,513.80 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
- Muskegon Surgical Associates PCMuskegon, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theodore J. Vanderkooi among 1,376 surgery physician records in Michigan
Theodore J. Vanderkooi, M.D. is one of 1,376 surgery physician records with a practice address in Michigan. 74% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 62% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1995 · median 2006 among the 721 with a school on file
- Record last updated2014 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 surgery physician records list a practice address in Fremont
They are 6 of the 216 NPPES records with a practice address in Fremont, and 1,376 surgery physician records in Michigan.
All 1,376 in Michigan → Every provider in Fremont → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Douglas Johnson, M.D.Fremont, MI 494121043262918
- Jeremy Kuiper, M.D.Fremont, MI 494121710207535
- Kegan Rummel, D.O.Fremont, MI 494121407239205
- Erich Schafer, D.O.Fremont, MI 494121427499029
- Katherine Shafer, MDFremont, MI 494121891957262
- Daniel Decook, MDHolland, MI 494231396702312
- Brian Dishinger, MDHolland, MI 494231982727426
- Gregory Fritz, MDHolland, MI 494231437644655
Common questions
What is Theodore J. Vanderkooi, M.D.'s NPI number?
Theodore J. Vanderkooi, M.D.'s National Provider Identifier (NPI) is 1801849120, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Theodore J. Vanderkooi, M.D. located?
The NPPES record lists a practice address at 230 W Oak St, Fremont, MI, 49412. Phone: (231) 924-4200. Providers update this record themselves, so call before visiting.
How can I verify Theodore J. Vanderkooi, M.D.'s license?
NPPES lists Michigan license number 065627, 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.
How much does Theodore J. Vanderkooi, M.D. prescribe under Medicare Part D?
In 2024, Theodore J. Vanderkooi, M.D. had 120 Medicare Part D claims for 67 beneficiaries; the average among surgery physician prescribers was 147. 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.