NPPES file of Aug 9, 2026

Benjamin Baines Mize, M.D.

Gynecologic Oncology Physician · Kalamazoo, MI

Benjamin Baines Mize, M.D. is a gynecologic oncology physician with a practice address in Kalamazoo, Michigan, and NPI 1134354954, issued on May 22, 2009. Check the license (Michigan 4301109498, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134354954
Name
Benjamin Baines Mize
Credential
M.D.
Primary taxonomy
Gynecologic Oncology Physician 207VX0201X
License numbers
4301109498 MI
269250 NY
Self-reported in NPPES; status is on the state search
Practice location
200 N Park St, Kalamazoo, MI 49007
Phone
(269) 382-2500
Enumerated
May 22, 2009
Record last updated
Jun 10, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(269) 384-8617
Medicare enrollment
Enrolled (PECOS I20160620000696); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest gynecologic oncology physician records → All 54 in Michigan → Look up another NPI →

Also registered at 200 N Park St

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

  1. Bharat Agrawal, MDHematology & Oncology Physician1568418358
  2. Laura Ashack, M.D.Radiation Oncology Physician1699138958
  3. Keith Bailey, MDHematology & Oncology Physician1538136718
  4. Kathryn Barnett, NPFamily Nurse Practitioner1770105553
  5. Dustin Bivins, DOHematology & Oncology Physician1790005627
  6. Simon Brown, MDRadiation Oncology Physician1992124531

Verify Benjamin Baines Mize 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 4301109498    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

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9% more Medicare Part D claims than the average gynecologic oncology physician in 2024

212 Medicare Part D claims for 113 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. 85 claims were for opioids.

  1. Benjamin Mize212
  2. Specialty average195

Most prescribed

  1. Tramadol Hcl67 claims
  2. Ibuprofen52 claims
  3. Megestrol Acetate16 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: $25.58

2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 1,199 providers of this specialty with any payment received $6,387.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Benjamin Mize$25.58
  2. Specialty average$6,387.20

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospital affiliations

  1. Mclaren FlintFlint, MI · Acute Care Hospitals2 of 5 stars
  2. Mclaren Bay RegionBay City, MI · Acute Care Hospitals1 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.

Benjamin Baines Mize among 54 gynecologic oncology physician records in Michigan

Benjamin Baines Mize, M.D. is one of 54 gynecologic oncology physician records with a practice address in Michigan. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 52% of them.

  • NPI issued2009 · 52% of these records are older, 39% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2016 · median 2007 among the 40 with a school on file
  • Record last updated2016 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecologic Oncology Physician providers in Michigan

There are 54 gynecologic oncology physician records in Michigan.

All 54 in Michigan → Every provider in Kalamazoo → Gynecologic Oncology Physician nationwide →

The 8 gynecologic oncology physician records with the nearest ZIP codes

  1. Anna Hoekstra, M.D.Kalamazoo, MI 490071689693384
  2. Gregory Sutton, MDSaginaw, MI 486041568409373
  3. Paul Bry, MDSaginaw, MI 486021851524979
  4. Gordon Downey, M.D.Grand Rapids, MI 495031053421024
  5. Charles Harrison, MDGrand Rapids, MI 495031245340223
  6. Christopher Hummel, D.O.Grand Rapids, MI 495031396985206
  7. Leigh Seamon, D.O.Grand Rapids, MI 495031821147422
  8. David ShalowitzGrand Rapids, MI 495031649594136

Common questions

What is Benjamin Baines Mize, M.D.'s NPI number?

Benjamin Baines Mize, M.D.'s National Provider Identifier (NPI) is 1134354954, issued on May 22, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Baines Mize, M.D. located?

The NPPES record lists a practice address at 200 N Park St, Kalamazoo, MI, 49007. Phone: (269) 382-2500. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Baines Mize, M.D.'s license?

NPPES lists Michigan license number 4301109498, 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 Benjamin Baines Mize, M.D. prescribe under Medicare Part D?

In 2024, Benjamin Baines Mize, M.D. had 212 Medicare Part D claims for 113 beneficiaries; the average among gynecologic oncology physician prescribers was 195. 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.

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.