Nicholas Craig Ritzema, D.D.S.
General Practice Dentistry · Grand Rapids, MI
Nicholas Craig Ritzema, D.D.S. is a general practice dentistry with a practice address in Grand Rapids, Michigan, and NPI 1528328507, issued on May 23, 2012. Check the license (Michigan 2901020693, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nicholas Craig Ritzema
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 2901020693 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1406 Michigan St NE, Grand Rapids, MI 49503
- Phone
- (616) 458-7267
- Enumerated
- May 23, 2012
- Record last updated
- Jan 9, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,088 in Michigan → Look up another NPI →
Also registered at 1406 Michigan St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexandra MaringGeneral Practice Dentistry1417487000
- James Zarafonetis, D.D.S.General Practice Dentistry1497855076
Verify Nicholas Craig Ritzema in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 2901020693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average general practice dentistry in 2024
40 Medicare Part D claims for 28 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Metronidazole16 claims
- Amoxicillin12 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: $27.05
2 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
Nicholas Craig Ritzema among 4,088 general practice dentistry records in Michigan
Nicholas Craig Ritzema, D.D.S. is one of 4,088 general practice dentistry records with a practice address in Michigan. 61% 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 72% of them.
- NPI issued2012 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2017 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Dentistry providers in Michigan
There are 4,088 general practice dentistry records in Michigan.
All 4,088 in Michigan → Every provider in Grand Rapids → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Carl Branyan, D.D.SGrand Rapids, MI 495031801064654
- Gwendolyn Brown, D.D.SGrand Rapids, MI 495031043222169
- Anitha Doma, BDSGrand Rapids, MI 495031851583660
- Timothy Hill, D.D.SGrand Rapids, MI 495031760495972
- Nicole Kooiker, D.D.SGrand Rapids, MI 495031346353471
- Kevin Kooiker, D.D.SGrand Rapids, MI 495031356454409
- Patty Pekras, DDSGrand Rapids, MI 495031588714612
- Patricia Roels, D.D.SGrand Rapids, MI 495031326051277
Common questions
What is Nicholas Craig Ritzema, D.D.S.'s NPI number?
Nicholas Craig Ritzema, D.D.S.'s National Provider Identifier (NPI) is 1528328507, issued on May 23, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Craig Ritzema, D.D.S. located?
The NPPES record lists a practice address at 1406 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 458-7267. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Craig Ritzema, D.D.S.'s license?
NPPES lists Michigan license number 2901020693, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Nicholas Craig Ritzema, D.D.S. prescribe under Medicare Part D?
In 2024, Nicholas Craig Ritzema, D.D.S. had 40 Medicare Part D claims for 28 beneficiaries; the average among general practice dentistry prescribers was 83. 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.