Timothy Gatz, MD
Family Medicine Physician · Kalamazoo, MI
Timothy Gatz, MD is a family medicine physician with a practice address in Kalamazoo, Michigan, and NPI 1689780231, issued on Aug 23, 2006. Check the license (Michigan 4301072512, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Timothy Gatz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301072512 MI
Self-reported in NPPES; status is on the state search - Practice location
- 8088 Vineyard Drive, Kalamazoo, MI 49009
- Phone
- (269) 286-7090
- Enumerated
- Aug 23, 2006
- Record last updated
- Sep 16, 2025
- Fax
- (269) 286-7091
- Medicare enrollment
- Enrolled (PECOS I20100308000226); accepts Medicare assignment
- Medical or professional school
- University Of South Florida College Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 8088 Vineyard Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ronald Doan, PAPhysician Assistant1710062864
- Michael KuFamily Medicine Physician1497862650
- Heather Simon, FNP-CFamily Nurse Practitioner1790285534
Verify Timothy Gatz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301072512Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average family medicine physician in 2024
14,288 Medicare Part D claims for 932 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 555 claims were for opioids.
Most prescribed
- Atorvastatin Calcium625 claims
- Levothyroxine Sodium592 claims
- Amlodipine Besylate526 claims
- Rosuvastatin Calcium486 claims
- Lisinopril406 claims
- Omeprazole370 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: $1,275.58
62 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
One hospital affiliation
- Bronson Methodist HospitalPortage, MI · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Timothy Gatz among 6,013 family medicine physician records in Michigan
Timothy Gatz, 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. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1995 · median 2008 among the 3,493 with a school on file
- Record last updated2025 · 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).
98 family medicine physician records list a practice address in Kalamazoo
They are 98 of the 6,553 NPPES records with a practice address in Kalamazoo, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Kalamazoo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Brown, DOKalamazoo, MI 490091578524179
- Earl Burhans, D.O.Kalamazoo, MI 490091437110665
- Michael Dandois, D.O.Kalamazoo, MI 490091114988359
- Eric Houchin, M.D.Kalamazoo, MI 490091174522957
- Robert Kiser, DOKalamazoo, MI 490091720080351
- Barton Lewis, DOKalamazoo, MI 490091811956535
- Gabriela Palmitessa, M.D.Kalamazoo, MI 490091053372219
- Myral Robbins, D.O.Kalamazoo, MI 490091306805569
Common questions
What is Timothy Gatz, MD's NPI number?
Timothy Gatz, MD's National Provider Identifier (NPI) is 1689780231, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Gatz, MD located?
The NPPES record lists a practice address at 8088 Vineyard Drive, Kalamazoo, MI, 49009. Phone: (269) 286-7090. Providers update this record themselves, so call before visiting.
How can I verify Timothy Gatz, MD's license?
NPPES lists Michigan license number 4301072512, 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 Timothy Gatz, MD prescribe under Medicare Part D?
In 2024, Timothy Gatz, MD had 14,288 Medicare Part D claims for 932 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.