John Toomey, AGNP
Gerontology Nurse Practitioner · Marquette, MI
John Toomey, AGNP is a gerontology nurse practitioner with a practice address in Marquette, Michigan, and NPI 1093387235, issued on Jul 16, 2021. Check the license (Michigan 4704301193, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Toomey
- Credential
- AGNP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- 4704301193 MI
Self-reported in NPPES; status is on the state search - Practice location
- 850 W Baraga Ave, Marquette, MI 49855
- Phone
- (906) 449-3000
- Enumerated
- Jul 16, 2021
- Record last updated
- Jul 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211001000879); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 409 in Michigan → Look up another NPI →
Also registered at 850 W Baraga Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jonathan Bjork, M.D.Hospitalist Physician1316391873
- Rachel Bonsall, FNP-BCFamily Nurse Practitioner1073148409
- Madalyne Brazeau, PAMedical Physician Assistant1336808948
Verify John Toomey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704301193Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
153 Medicare Part D claims for 76 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. 47 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen29 claims
- Amoxicillin-Clavulanate Potass16 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.
Bills Medicare through 2 group practices
- Dlp Marquette Physician Practices IncMarquette, MI
- Surgical Associates OF Marquette, P.C.Marquette, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Toomey among 409 gerontology nurse practitioner records in Michigan
John Toomey, AGNP is one of 409 gerontology nurse practitioner records with a practice address in Michigan. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 61% of them.
- NPI issued2021 · 61% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2021 · median 2019 among the 269 with a school on file
- Record last updated2021 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Michigan
There are 409 gerontology nurse practitioner records in Michigan.
All 409 in Michigan → Every provider in Marquette → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Michael Rondeau, N.P.Marquette, MI 498551912443839
- Jessica Isaacson, APNPIron Mountain, MI 498011588366587
- Robert Peterson, GNPIron Mountain, MI 498011588670830
- Marianne HimebauchWolverine, MI 497991336010065
- Deborah Griffin, N.P.Petoskey, MI 497701922174309
- Kathryn Snow-McCaffrey, APRN MSN GNPIndian River, MI 497491487625174
- Judy Jerome, CGNPGaylord, MI 497351760433577
- Mary Seger, N.P.Gaylord, MI 497351518998772
Common questions
What is John Toomey, AGNP's NPI number?
John Toomey, AGNP's National Provider Identifier (NPI) is 1093387235, issued on Jul 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is John Toomey, AGNP located?
The NPPES record lists a practice address at 850 W Baraga Ave, Marquette, MI, 49855. Phone: (906) 449-3000. Providers update this record themselves, so call before visiting.
How can I verify John Toomey, AGNP's license?
NPPES lists Michigan license number 4704301193, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does John Toomey, AGNP prescribe under Medicare Part D?
In 2024, John Toomey, AGNP had 153 Medicare Part D claims for 76 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.