Julie M. Grelewicz, PA
Physician Assistant · Muskegon, MI
Julie M. Grelewicz, PA is a physician assistant with a practice address in Muskegon, Michigan, and NPI 1790778397, issued on Aug 30, 2005. Check the license (Michigan 5601004127, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Julie M. Grelewicz
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601004127 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1675 Leahy St, Muskegon, MI 49442
- Phone
- (231) 726-5075
- Enumerated
- Aug 30, 2005
- Record last updated
- Jun 24, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (231) 722-1827
- Medicare enrollment
- Enrolled (PECOS I20040323001165); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 1675 Leahy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keith Abraham, NPAdult Health Nurse Practitioner1669098810
- David AlvesCommunity Health Worker1811305881
- Sara Andrews, DOObstetrics & Gynecology Physician1225440373
- Gustav Barkett, DOObstetrics & Gynecology Physician1962494005
- Meredith Best, PACPhysician Assistant1023129517
- Jessica Cederquist, ATCAthletic Trainer1861456063
Verify Julie M. Grelewicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601004127Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average physician assistant in 2024
569 Medicare Part D claims for 223 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Omeprazole85 claims
- Peg 3350-Electrolyte76 claims
- Ursodiol29 claims
- Famotidine27 claims
- Creon24 claims
- Lactulose24 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): 81.6 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: $74.42
4 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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.
Bills Medicare through one group practice
- Mercy Health Partners - Physician SpecialistMuskegon, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julie M. Grelewicz among 6,989 physician assistant records in Michigan
Julie M. Grelewicz, 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 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 fileYes · 68% of these records are
- Graduated2003 · median 2017 among the 4,739 with a school on file
- Record last updated2014 · 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).
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.
All 6,989 in Michigan → Every provider in Muskegon → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Meredith Best, PACMuskegon, MI 494421023129517
- Chris Briggs, PA-CMuskegon, MI 494421447673488
- Rachel Debruin, PA-CMuskegon, MI 494421043755242
- Sara FarwigMuskegon, MI 494421083156723
- Peter Fries, PA-CMuskegon, MI 494421205856689
- Simona GoiMuskegon, MI 494421770957052
- Katherine Jackson, PA-CMuskegon, MI 494421760813224
- Elizabeth Lubbers, PA-CMuskegon, MI 494421437462942
Common questions
What is Julie M. Grelewicz, PA's NPI number?
Julie M. Grelewicz, PA's National Provider Identifier (NPI) is 1790778397, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Julie M. Grelewicz, PA located?
The NPPES record lists a practice address at 1675 Leahy St, Muskegon, MI, 49442. Phone: (231) 726-5075. Providers update this record themselves, so call before visiting.
How can I verify Julie M. Grelewicz, PA's license?
NPPES lists Michigan license number 5601004127, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Julie M. Grelewicz, PA prescribe under Medicare Part D?
In 2024, Julie M. Grelewicz, PA had 569 Medicare Part D claims for 223 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Julie M. Grelewicz, PA's MIPS final score?
The 2023 MIPS final score is 81.6 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.