Ellen Michelle Toneff, PA-C
Physician Assistant · Largo, FL
Ellen Michelle Toneff, PA-C is a physician assistant with a practice address in Largo, Florida, and NPI 1326603143, issued on May 7, 2019. Check the license on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Ellen Michelle Toneff
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 8787 Bryan Dairy RD Ste 360, Largo, FL 33777
- Phone
- (813) 321-1786
- Enumerated
- May 7, 2019
- Record last updated
- Oct 14, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (813) 321-1787
- Medicare enrollment
- Enrolled (PECOS I20191112001113); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,257 in Florida → Look up another NPI →
Also registered at 8787 Bryan Dairy RD Ste 360
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ellen Michelle Toneff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license searchCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average physician assistant in 2024
823 Medicare Part D claims for 468 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Ketoconazole249 claims
- Triamcinolone Acetonide154 claims
- Clobetasol Propionate56 claims
- Doxycycline Hyclate48 claims
- Gentamicin Sulfate34 claims
- Valacyclovir32 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): 81.3 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: $13,158.41
138 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.
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
- Suncoast Skin SolutionsSeminole, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ellen Michelle Toneff among 10,257 physician assistant records in Florida
Ellen Michelle Toneff, PA-C is one of 10,257 physician assistant records with a practice address in Florida. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 55% of them.
- NPI issued2019 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2019 · median 2018 among the 5,867 with a school on file
- Record last updated2019 · 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 363A00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
50 physician assistant records list a practice address in Largo
They are 50 of the 2,280 NPPES records with a practice address in Largo, and 10,257 physician assistant records in Florida.
All 10,257 in Florida → Every provider in Largo → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Robyn Balkin, P.A.Largo, FL 337771326174145
- Caitlin Beach, PA-CLargo, FL 337771801133970
- Sharilyn Chappell, PA CSeminole, FL 337771477500684
- Massiel Dos Santos Aguirre, PA-CSeminole, FL 337771508485806
- Darlene EdmundsLargo, FL 337771821533126
- Elizabeth GaffneyLargo, FL 337771912647983
- Sarah Martin, PALargo, FL 337771154573210
- Kayla Moore, PA-CSeminole, FL 337771386261162
Common questions
What is Ellen Michelle Toneff, PA-C's NPI number?
Ellen Michelle Toneff, PA-C's National Provider Identifier (NPI) is 1326603143, issued on May 7, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Michelle Toneff, PA-C located?
The NPPES record lists a practice address at 8787 Bryan Dairy RD Ste 360, Largo, FL, 33777. Phone: (813) 321-1786. Providers update this record themselves, so call before visiting.
How can I verify Ellen Michelle Toneff, PA-C's license?
Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ellen Michelle Toneff, PA-C prescribe under Medicare Part D?
In 2024, Ellen Michelle Toneff, PA-C had 823 Medicare Part D claims for 468 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Ellen Michelle Toneff, PA-C's MIPS final score?
The 2023 MIPS final score is 81.3 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.