Karen Sue Timmermans, PA-C
Physician Assistant · Grand Rapids, MI
Karen Sue Timmermans, PA-C is a physician assistant with a practice address in Grand Rapids, Michigan, and NPI 1477534659, issued on Nov 7, 2005. Check the license (Michigan 4601003685, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Sue Timmermans
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 4601003685 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2900 Bradford St NE, Grand Rapids, MI 49525
- Phone
- (616) 885-5000
- Enumerated
- Nov 7, 2005
- Record last updated
- May 19, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (616) 913-9025
- Medicaid ID
- 1982921 MI
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 2900 Bradford St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wissam Abdallah, M.D.Cardiovascular Disease Physician1043410145
- Michael AbiragiInternal Medicine Physician1902421639
- Mohammad Ahmed, MDInternal Medicine Physician1912528225
- Alfred Albano, M.D.Clinical Cardiac Electrophysiology Physician1609054394
- Paul Albright, PA-CPhysician Assistant1528049228
- Connor BaileyRegistered Dietitian1437034402
Verify Karen Sue Timmermans in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4601003685Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 84.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $113.85
5 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Karen Sue Timmermans among 6,989 physician assistant records in Michigan
Karen Sue Timmermans, PA-C is one of 6,989 physician assistant records with a practice address in Michigan. 82% 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, 98% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2017 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
913 physician assistant records list a practice address in Grand Rapids
They are 913 of the 18,005 NPPES records with a practice address in Grand Rapids, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Grand Rapids → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Paul Albright, PA-CGrand Rapids, MI 495251528049228
- Charles Bray, PA-CGrand Rapids, MI 495251336120575
- Elizabeth Crum, PA-CGrand Rapids, MI 495251952382194
- Lara Evans, PA-CGrand Rapids, MI 495251356343933
- Holly Gustafson, PACGrand Rapids, MI 495251922096239
- Deborah Hunter, PAGrand Rapids, MI 495251144284761
- Steph Krauchunas, PAGrand Rapids, MI 495251225022957
- Kathi Lotterman, PA-CGrand Rapids, MI 495251043291941
Common questions
What is Karen Sue Timmermans, PA-C's NPI number?
Karen Sue Timmermans, PA-C's National Provider Identifier (NPI) is 1477534659, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Karen Sue Timmermans, PA-C located?
The NPPES record lists a practice address at 2900 Bradford St NE, Grand Rapids, MI, 49525. Phone: (616) 885-5000. Providers update this record themselves, so call before visiting.
How can I verify Karen Sue Timmermans, PA-C's license?
NPPES lists Michigan license number 4601003685, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
What is Karen Sue Timmermans, PA-C's MIPS final score?
The 2023 MIPS final score is 84.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.