NPPES file of Aug 9, 2026

John Richard Parker, PA-C

Physician Assistant · Grand Rapids, MI

John Richard Parker, PA-C is a physician assistant with a practice address in Grand Rapids, Michigan, and NPI 1124100508, issued on Oct 19, 2006. Check the license (Michigan 5601003563, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124100508
Name
John Richard Parker
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
5601003563 MI
Self-reported in NPPES; status is on the state search
Practice location
4100 Lake Dr SE Ste 200, Grand Rapids, MI 49546
Phone
(616) 391-3759
Enumerated
Oct 19, 2006
Record last updated
Feb 25, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(616) 391-3052
Medicare enrollment
Enrolled (PECOS I20040216001121); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 4100 Lake Dr SE Ste 200

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

  1. Hafsa Abdulla, MDCritical Care Medicine (Internal Medicine) Physician1093240855
  2. Maria Katrina Abril, M.D.Pulmonary Disease Physician1558789131
  3. Sara Akbar, MDPulmonary Disease Physician1649756685
  4. Mary Barr, NPNurse Practitioner1003859596
  5. Nancy Bender HausmanSleep Medicine (Psychiatry & Neurology) Physician1366460172
  6. Rafael Bernal, DOInternal Medicine Physician1912692740

Verify John Richard Parker 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 5601003563
    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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58% fewer Medicare Part D claims than the average physician assistant in 2024

348 Medicare Part D claims for 94 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.

  1. John Parker348
  2. Specialty average830

Most prescribed

  1. Gabapentin61 claims
  2. Fluticasone Propionate34 claims
  3. Trazodone Hcl27 claims
  4. Modafinil24 claims
  5. Doxepin Hcl22 claims
  6. Dextroamphetamine-Amphetamine16 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.

The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score87.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $529.04

13 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals 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. John Parker$529.04
  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.

Bills Medicare through one group practice

  1. Spectrum Health Primary Care PartnersKentwood, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Richard Parker among 6,989 physician assistant records in Michigan

John Richard Parker, 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 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
  • Graduated1995 · median 2017 among the 4,739 with a school on file
  • Record last updated2021 · 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 John Richard Parker, PA-C's NPI number?

John Richard Parker, PA-C's National Provider Identifier (NPI) is 1124100508, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Richard Parker, PA-C located?

The NPPES record lists a practice address at 4100 Lake Dr SE Ste 200, Grand Rapids, MI, 49546. Phone: (616) 391-3759. Providers update this record themselves, so call before visiting.

How can I verify John Richard Parker, PA-C's license?

NPPES lists Michigan license number 5601003563, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does John Richard Parker, PA-C prescribe under Medicare Part D?

In 2024, John Richard Parker, PA-C had 348 Medicare Part D claims for 94 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is John Richard Parker, PA-C's MIPS final score?

The 2023 MIPS final score is 100 of 100. 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.