Erin N. Grabowski, PA
Physician Assistant · Portage, MI
Erin N. Grabowski, PA is a physician assistant with a practice address in Portage, Michigan, and NPI 1841440872, issued on Sep 26, 2008. Check the license (Michigan 5601005358, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erin N. Grabowski
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601005358 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3200 W Centre Ave Ste 203, Portage, MI 49024
- Phone
- (269) 324-0799
- Enumerated
- Sep 26, 2008
- Record last updated
- Nov 20, 2023
- Medicare enrollment
- Enrolled (PECOS I20081213000188); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 3200 W Centre Ave Ste 203
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Philip Mataverde, D.O.Sleep Medicine (Internal Medicine) Physician1992996458
- Zachary Richens, DOSleep Medicine (Family Medicine) Physician1912404807
Verify Erin N. Grabowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601005358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average physician assistant in 2024
656 Medicare Part D claims for 152 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium45 claims
- Amlodipine Besylate35 claims
- Levothyroxine Sodium34 claims
- Metformin Hcl26 claims
- Hydrochlorothiazide25 claims
- Losartan Potassium21 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: $625.86
26 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, 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.
One hospital affiliation
- Bronson Methodist HospitalBattle Creek, MI · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
49 physician assistant records list a practice address in Portage
They are 49 of the 1,492 NPPES records with a practice address in Portage, and 6,989 physician assistant records in Michigan.
All 49 in Portage → All 6,989 in Michigan → Every provider in Portage →
Other physician assistant records in Michigan
- Hauraa Aalabdulrasul, PADetroit, MI1467181982
- Kilee Aamodt, PA-CMuskegon, MI1578964300
- Rasha AbbasDetroit, MI1750239505
- Layan Abbasi, PA-CYpsilanti, MI1043045552
- Veronica Abbo, PA-CRoseville, MI1659889806
- Stephanie Abbott, PA-CGrand Rapids, MI1386072825
- Samar Abboud, PA-CYpsilanti, MI1871942144
- Salma Abd Elhamid, PA-CTroy, MI1457245730
- Malak Abdallah, PA-CDearborn, MI1245922194
- Marriam Abdallah, PA-CDearborn, MI1720962574
Common questions
What is Erin N. Grabowski, PA's NPI number?
Erin N. Grabowski, PA's National Provider Identifier (NPI) is 1841440872, issued on Sep 26, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Erin N. Grabowski, PA located?
The NPPES record lists a practice address at 3200 W Centre Ave Ste 203, Portage, MI, 49024. Phone: (269) 324-0799. Providers update this record themselves, so call before visiting.
How can I verify Erin N. Grabowski, PA's license?
NPPES lists Michigan license number 5601005358, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Erin N. Grabowski, PA prescribe under Medicare Part D?
In 2024, Erin N. Grabowski, PA had 656 Medicare Part D claims for 152 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.