James B. Brennan, D.D.S.
Dentist · Grand Rapids, MI
James B. Brennan, D.D.S. is a dentist with a practice address in Grand Rapids, Michigan, and NPI 1619970522, issued on May 24, 2005. Check the license (Michigan 2901015590, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James B. Brennan
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 2901015590 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3152 Peregrine Dr NE, Grand Rapids, MI 49525
- Phone
- (616) 447-3660
- Enumerated
- May 24, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (616) 447-7660
- Entity
- Type 1 · individual
8 nearest dentist records → All 3,439 in Michigan → Look up another NPI →
Also registered at 3152 Peregrine Dr NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James B. Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 2901015590Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average dentist in 2024
56 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. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin51 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: $14.06
1 payment: food and beverage; the largest payer was Align Technology, Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
James B. Brennan among 3,439 dentist records in Michigan
James B. Brennan, D.D.S. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, over 99% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 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.
All 3,439 in Michigan → Every provider in Grand Rapids → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Elizabeth Bakeman, DDSGrand Rapids, MI 495251528284163
- Stephanie Benton-Langejans, DDSGrand Rapids, MI 495251710144183
- David Boone, D.D.S.Grand Rapids, MI 495251528155025
- Jonathan Eagle, D.D.SGrand Rapids, MI 495251720261126
- Austin Goodyke, DDSGrand Rapids, MI 495251831718527
- Adele Gray, D.D.S.Grand Rapids, MI 495251295856334
- Thomas Lambert, DDSGrand Rapids, MI 495251043480015
- Nichole Lubberts, D.D.SGrand Rapids, MI 495251336409358
Common questions
What is James B. Brennan, D.D.S.'s NPI number?
James B. Brennan, D.D.S.'s National Provider Identifier (NPI) is 1619970522, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James B. Brennan, D.D.S. located?
The NPPES record lists a practice address at 3152 Peregrine Dr NE, Grand Rapids, MI, 49525. Phone: (616) 447-3660. Providers update this record themselves, so call before visiting.
How can I verify James B. Brennan, D.D.S.'s license?
NPPES lists Michigan license number 2901015590, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does James B. Brennan, D.D.S. prescribe under Medicare Part D?
In 2024, James B. Brennan, D.D.S. had 56 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.