NPPES file of Aug 9, 2026

Andrew Michel De Zwaan, DDS

Dentist · Grand Rapids, MI

Andrew Michel De Zwaan, DDS is a dentist with a practice address in Grand Rapids, Michigan, and NPI 1821349549, issued on Sep 20, 2012. Check the license (Michigan 2901020721, as entered in NPPES) with the Michigan board that licenses this profession; 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
1821349549
Name
Andrew Michel De Zwaan
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
2901020721 MI
Self-reported in NPPES; status is on the state search
Practice location
933 3 Mile RD NW Ste 110, Grand Rapids, MI 49544
Phone
(616) 784-6300
Enumerated
Sep 20, 2012
Record last updated
Oct 3, 2025
Medicare enrollment
Enrolled (PECOS I20251105001847); may accept Medicare assignment
Medical or professional school
University Of Detroit Mercy School Of Dentistry, 2012
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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Also registered at 933 3 Mile RD NW Ste 110

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

  1. Brenden Carey, DDSDentist1821614678
  2. Sarah De Zwaan, DDSGeneral Practice Dentistry1285996819
  3. Linda Fleetwood, DDSDentist1861058117
  4. Alexander Krupiak, DDSGeneral Practice Dentistry1043885726
  5. Alyssa Marsh, DDSGeneral Practice Dentistry1942992904
  6. Caroline Packard, PTPhysical Therapist1558777672

Verify Andrew Michel De Zwaan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 2901020721
    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
Find 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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42% fewer Medicare Part D claims than the average dentist in 2024

50 Medicare Part D claims for 45 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Andrew De Zwaan50
  2. Specialty average86

Most prescribed

  1. Amoxicillin30 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: $93.94

3 payments; by number, the most common kind was food and beverage; the largest payer was Solventum Corporation. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Andrew De Zwaan$93.94
  2. Specialty average$540.36

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

Andrew Michel De Zwaan among 3,439 dentist records in Michigan

Andrew Michel De Zwaan, DDS is one of 3,439 dentist records with a practice address in Michigan. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 54% of them.

  • NPI issued2012 · 54% of these records are older, 44% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · under 1% of these records are
  • Graduated2012 · median 2010 among the 23 with a school on file
  • Record last updated2025 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Michigan

There are 3,439 dentist records in Michigan.

The 8 dentist records with the nearest ZIP codes

  1. Brenden Carey, DDSGrand Rapids, MI 495441821614678
  2. Andrew Cybulski, DDSGrand Rapids, MI 495441609508266
  3. Linda Fleetwood, DDSGrand Rapids, MI 495441861058117
  4. Patricia Gonzalez, DDSGrand Rapids, MI 495441235987512
  5. Bruce Mickelson, DDSGrand Rapids, MI 495441760555692
  6. Mark Peterson, DDSGrand Rapids, MI 495441528013661
  7. Ramin Rajaee, D.D.SWalker, MI 495441790135127
  8. Jason Sassack, DDSGrand Rapids, MI 495441952294381

Common questions

What is Andrew Michel De Zwaan, DDS's NPI number?

Andrew Michel De Zwaan, DDS's National Provider Identifier (NPI) is 1821349549, issued on Sep 20, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Michel De Zwaan, DDS located?

The NPPES record lists a practice address at 933 3 Mile RD NW Ste 110, Grand Rapids, MI, 49544. Phone: (616) 784-6300. Providers update this record themselves, so call before visiting.

How can I verify Andrew Michel De Zwaan, DDS's license?

NPPES lists Michigan license number 2901020721, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Andrew Michel De Zwaan, DDS prescribe under Medicare Part D?

In 2024, Andrew Michel De Zwaan, DDS had 50 Medicare Part D claims for 45 beneficiaries; the average among dentist prescribers was 86. 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.