Karen Anne Toth, NP
Acute Care Nurse Practitioner · Ann Arbor, MI
Karen Anne Toth, NP is an acute care nurse practitioner with a practice address in Ann Arbor, Michigan, and NPI 1184780868, issued on Dec 28, 2006. Check the license (Michigan 4704188731, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Anne Toth
- Credential
- NP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 4704188731 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 936-4000
- Enumerated
- Dec 28, 2006
- Record last updated
- Dec 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20070222000359); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 865 in Michigan → Look up another NPI →
Also registered at 1500 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Anne Toth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704188731Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
347 Medicare Part D claims for 77 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Furosemide36 claims
- Potassium Chloride30 claims
- Amiodarone Hcl28 claims
- Warfarin Sodium26 claims
- Clopidogrel22 claims
- Metoprolol Tartrate22 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 one group practice
- Regents OF The University OF MichiganAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Anne Toth among 865 acute care nurse practitioner records in Michigan
Karen Anne Toth, NP is one of 865 acute care nurse practitioner records with a practice address in Michigan. 83% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 95% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1998 · median 2019 among the 597 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Michigan
There are 865 acute care nurse practitioner records in Michigan.
All 865 in Michigan → Every provider in Ann Arbor → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Brittany Balzer, NPAnn Arbor, MI 481091730581539
- Jana Barkman, NPAnn Arbor, MI 481091013396456
- Punyacha Crocker, NPAnn Arbor, MI 481091801294020
- Amy Hibbard, NPAnn Arbor, MI 481091093130635
- Jennifer Ilacqua, MSN, ACNP-BCAnn Arbor, MI 481091245586726
- Christina Nutt, NPAnn Arbor, MI 481091699028266
- Martha Richard-Smolarek, NPAnn Arbor, MI 481091689874802
- Nancy Rodriguez-Galano, NPAnn Arbor, MI 481091942386909
Common questions
What is Karen Anne Toth, NP's NPI number?
Karen Anne Toth, NP's National Provider Identifier (NPI) is 1184780868, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Anne Toth, NP located?
The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.
How can I verify Karen Anne Toth, NP's license?
NPPES lists Michigan license number 4704188731, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Anne Toth, NP prescribe under Medicare Part D?
In 2024, Karen Anne Toth, NP had 347 Medicare Part D claims for 77 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.