NPPES file of Aug 9, 2026

Kathleen Marie Gray, PA

Physician Assistant · Muskegon, MI

Kathleen Marie Gray, PA is a physician assistant with a practice address in Muskegon, Michigan, and NPI 1578798096, issued on May 28, 2009. Check the license 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
1578798096
Name
Kathleen Marie Gray
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
Practice location
1223 Mercy Dr, Muskegon, MI 49444
Phone
(231) 672-3500
Enumerated
May 28, 2009
Record last updated
Nov 5, 2024
Fax
(313) 432-7758
Medicare enrollment
Enrolled (PECOS I20090720000514); 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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Also registered at 1223 Mercy Dr

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

  1. Nathan Altner, PA-CPhysician Assistant1225752959
  2. Brian Burdo, MDFamily Medicine Physician1245216035
  3. Valerie ConradFamily Medicine Physician1205020088
  4. Steven Dewit, FNPFamily Nurse Practitioner1063127108
  5. Ashley Dorton, PA-CPhysician Assistant1003300310
  6. Joel Jarvis, MDFamily Medicine Physician1578540324

Verify Kathleen Marie Gray in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck 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
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73% fewer Medicare Part D claims than the average physician assistant in 2024

221 Medicare Part D claims for 90 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Kathleen Gray221
  2. Specialty average830

Most prescribed

  1. Metoprolol Succinate14 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 practice group's MIPS final score for 2023 (Medicare payment program): 94.5 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.

  1. Qualityout of 100 · 30% of the final score96.4
  2. Costout of 100 · 30%81.3
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities20 of 40 points · 15%50.0

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

Industry payments in 2024: $62.98

3 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. Kathleen Gray$62.98
  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 2 group practices

  1. Mercy Health Westshore Cardiology ServicesMuskegon, MI
  2. Mercy Specialty ServicesMuskegon, MI

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

139 physician assistant records list a practice address in Muskegon

They are 139 of the 2,646 NPPES records with a practice address in Muskegon, and 6,989 physician assistant records in Michigan.

Other physician assistant records in Michigan

  1. Hauraa Aalabdulrasul, PADetroit, MI1467181982
  2. Kilee Aamodt, PA-CMuskegon, MI1578964300
  3. Rasha AbbasDetroit, MI1750239505
  4. Layan Abbasi, PA-CYpsilanti, MI1043045552
  5. Veronica Abbo, PA-CRoseville, MI1659889806
  6. Stephanie Abbott, PA-CGrand Rapids, MI1386072825
  7. Samar Abboud, PA-CYpsilanti, MI1871942144
  8. Salma Abd Elhamid, PA-CTroy, MI1457245730
  9. Malak Abdallah, PA-CDearborn, MI1245922194
  10. Marriam Abdallah, PA-CDearborn, MI1720962574

Common questions

What is Kathleen Marie Gray, PA's NPI number?

Kathleen Marie Gray, PA's National Provider Identifier (NPI) is 1578798096, issued on May 28, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Marie Gray, PA located?

The NPPES record lists a practice address at 1223 Mercy Dr, Muskegon, MI, 49444. Phone: (231) 672-3500. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Marie Gray, PA's license?

Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Kathleen Marie Gray, PA prescribe under Medicare Part D?

In 2024, Kathleen Marie Gray, PA had 221 Medicare Part D claims for 90 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Kathleen Marie Gray, PA's MIPS final score?

The 2023 MIPS final score is 94.5 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.