NPPES file of Aug 9, 2026

Gloria M Klaassen Witt, M.D.

Family Medicine Physician · Central Lake, MI

Gloria M Klaassen Witt, M.D. is a family medicine physician with a practice address in Central Lake, Michigan, and NPI 1851715536, issued on Feb 14, 2014. Check the license (Michigan 4301053535, 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
1851715536
Name
Gloria M Klaassen Witt
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301053535 MI
Self-reported in NPPES; status is on the state search
Practice location
493 N Derenzy RD, Central Lake, MI 49622
Phone
(231) 544-7001
Enumerated
Feb 14, 2014
Record last updated
Oct 28, 2022
Fax
(231) 600-7054
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 →

Verify Gloria M Klaassen Witt 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 4301053535    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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95% fewer Medicare Part D claims than the average family medicine physician in 2024

168 Medicare Part D claims for 23 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Gloria Witt168
  2. Specialty average3,544

Most prescribed

  1. Lisinopril14 claims
  2. Cefdinir13 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.

Gloria M Klaassen Witt among 6,013 family medicine physician records in Michigan

Gloria M Klaassen Witt, M.D. 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 2014, is newer than 66% of them.

  • NPI issued2014 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2022 · 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).

Family Medicine Physician providers in Michigan

There are 6,013 family medicine physician records in Michigan.

All 6,013 in Michigan → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Mitzie Hewitt, D.O.Buckley, MI 496201861568479
  2. William James, DOBenzonia, MI 496161851754865
  3. George Ryckman, D.O.Benzonia, MI 496161023032380
  4. Amanda Smith, MDBenzonia, MI 496161740773456
  5. Jeffrey Green, MDBellaire, MI 496151538052659
  6. Steven Pray, D.O.Elk Rapids, MI 496291447333265
  7. Jennifer Shockley, M.D.Elk Rapids, MI 496291336139658
  8. Maureen Street, MDElk Rapids, MI 496291093716052

Common questions

What is Gloria M Klaassen Witt, M.D.'s NPI number?

Gloria M Klaassen Witt, M.D.'s National Provider Identifier (NPI) is 1851715536, issued on Feb 14, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Gloria M Klaassen Witt, M.D. located?

The NPPES record lists a practice address at 493 N Derenzy RD, Central Lake, MI, 49622. Phone: (231) 544-7001. Providers update this record themselves, so call before visiting.

How can I verify Gloria M Klaassen Witt, M.D.'s license?

NPPES lists Michigan license number 4301053535, 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 Gloria M Klaassen Witt, M.D. prescribe under Medicare Part D?

In 2024, Gloria M Klaassen Witt, M.D. had 168 Medicare Part D claims for 23 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.

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.