NPPES file of Aug 9, 2026

Stephanie Anne Machinski, M.D.

Family Medicine Physician · Grand Rapids, MI

Stephanie Anne Machinski, M.D. is a family medicine physician with a practice address in Grand Rapids, Michigan, and NPI 1790135259, issued on Jun 15, 2016. Check the license (Michigan 4301117439, 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
1790135259
Name
Stephanie Anne Machinski
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301117439 MI
Self-reported in NPPES; status is on the state search
Practice location
4069 Lake Dr SE, Grand Rapids, MI 49546
Phone
(616) 267-7499
Enumerated
Jun 15, 2016
Record last updated
Sep 23, 2024
Fax
(616) 391-5211
Medicare enrollment
Enrolled (PECOS I20190913000796); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2016
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 family medicine physician records → All 6,013 in Michigan → Look up another NPI →

Also registered at 4069 Lake Dr SE

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

  1. Chad Afman, MDPediatric Otolaryngology Physician1154532448
  2. Amelia Ashcraft, PA-CPhysician Assistant1053821033
  3. Graham Barnett, MDUrology Physician1366498222
  4. April Beresford, NPNurse Practitioner1255872354
  5. Tabetha Bergeron, PA-CPhysician Assistant1003228925
  6. Jodie Blake, PTPhysical Therapist1154644136

Verify Stephanie Anne Machinski 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 4301117439    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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76% fewer Medicare Part D claims than the average family medicine physician in 2024

836 Medicare Part D claims for 204 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Stephanie Machinski836
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium79 claims
  2. Levothyroxine Sodium76 claims
  3. Lisinopril56 claims
  4. Amlodipine Besylate43 claims
  5. Losartan Potassium43 claims
  6. Metformin Hcl26 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.

Bills Medicare through one group practice

  1. Reed City Hospital CorporationReed City, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stephanie Anne Machinski among 6,013 family medicine physician records in Michigan

Stephanie Anne Machinski, 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 2016, is newer than 71% of them.

  • NPI issued2016 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2016 · median 2008 among the 3,493 with a school on file
  • Record last updated2024 · 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).

317 family medicine physician records list a practice address in Grand Rapids

They are 317 of the 18,005 NPPES records with a practice address in Grand Rapids, and 6,013 family medicine physician records in Michigan.

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

The 8 family medicine physician records with the nearest ZIP codes

  1. Gary Bailey, D. O.Grand Rapids, MI 495461245201490
  2. Elizabeth Brouwer, DOGrand Rapids, MI 495461295788552
  3. Laura Champion, MDGrand Rapids, MI 495461558314765
  4. Bradley Clegg, DOGrand Rapids, MI 495461780648139
  5. William Dukes, MDGrand Rapids, MI 495461154322113
  6. Steven Dupuis, D.O.Grand Rapids, MI 495461518906130
  7. Jodi Hamblin, M.D.Grand Rapids, MI 495461366433732
  8. Kristi Kern, D.O.Grand Rapids, MI 495461003859299

Common questions

What is Stephanie Anne Machinski, M.D.'s NPI number?

Stephanie Anne Machinski, M.D.'s National Provider Identifier (NPI) is 1790135259, issued on Jun 15, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Anne Machinski, M.D. located?

The NPPES record lists a practice address at 4069 Lake Dr SE, Grand Rapids, MI, 49546. Phone: (616) 267-7499. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Anne Machinski, M.D.'s license?

NPPES lists Michigan license number 4301117439, 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 Stephanie Anne Machinski, M.D. prescribe under Medicare Part D?

In 2024, Stephanie Anne Machinski, M.D. had 836 Medicare Part D claims for 204 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.