NPPES file of Aug 9, 2026

Melissa A. Kooistra, PA

Physician Assistant · Grand Rapids, MI

Melissa A. Kooistra, PA is a physician assistant with a practice address in Grand Rapids, Michigan, and NPI 1346260007, issued on Jul 19, 2006. Check the license (Michigan 5601004250, 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
1346260007
Name
Melissa A. Kooistra
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
5601004250 MI
Self-reported in NPPES; status is on the state search
Practice location
3940 Peninsular Drive SE, Grand Rapids, MI 49546
Phone
(616) 366-4234
Enumerated
Jul 19, 2006
Record last updated
May 15, 2025
Fax
(855) 548-4481
Medicare enrollment
Enrolled (PECOS I20040728000619); accepts Medicare assignment
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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Verify Melissa A. Kooistra 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 5601004250
    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

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47% more Medicare Part D claims than the average physician assistant in 2024

1,224 Medicare Part D claims for 324 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 715 claims were for opioids.

  1. Melissa Kooistra1,224
  2. Specialty average830

Most prescribed

  1. Hydrocodone-Acetaminophen324 claims
  2. Oxycodone-Acetaminophen128 claims
  3. Gabapentin105 claims
  4. Pregabalin81 claims
  5. Tramadol Hcl67 claims
  6. Methadone Hcl45 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: $42.29

2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.

  1. Melissa Kooistra$42.29
  2. Specialty average$841.65

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

Melissa A. Kooistra among 6,989 physician assistant records in Michigan

Melissa A. Kooistra, PA 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 83% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2004 · median 2017 among the 4,739 with a school on file
  • Record last updated2025 · 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.

The 8 physician assistant records with the nearest ZIP codes

  1. Randall Brady, PAGrand Rapids, MI 495461396798542
  2. Robert Burghduf, PA-CGrand Rapids, MI 495461477548832
  3. Heather Dickinson, PA-CGrand Rapids, MI 495461144269291
  4. Karen Garbowitz, PA-CGrand Rapids, MI 495461144210139
  5. Patrick Handlin, PAGrand Rapids, MI 495461366421711
  6. Kendra Lowing, P.A.Grand Rapids, MI 495461710951488
  7. Kathryn Pleune, PA-CGrand Rapids, MI 495461467426122
  8. Karen Ruihley, PA-CGrand Rapids, MI 495461225094295

Common questions

What is Melissa A. Kooistra, PA's NPI number?

Melissa A. Kooistra, PA's National Provider Identifier (NPI) is 1346260007, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Melissa A. Kooistra, PA located?

The NPPES record lists a practice address at 3940 Peninsular Drive SE, Grand Rapids, MI, 49546. Phone: (616) 366-4234. Providers update this record themselves, so call before visiting.

How can I verify Melissa A. Kooistra, PA's license?

NPPES lists Michigan license number 5601004250, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Melissa A. Kooistra, PA prescribe under Medicare Part D?

In 2024, Melissa A. Kooistra, PA had 1,224 Medicare Part D claims for 324 beneficiaries; the average among physician assistant prescribers was 830. 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.