NPPES file of Aug 9, 2026

Frederick E. Tonnos, D.O.

Orthopaedic Surgery Physician · Commerce Township, MI

Frederick E. Tonnos, D.O. is an orthopaedic surgery physician with a practice address in Commerce Township, Michigan, and NPI 1700900032, issued on Mar 19, 2007. Check the license (Michigan 5101016566, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700900032
Name
Frederick E. Tonnos
Credential
D.O.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
5101016566 MI
Self-reported in NPPES; status is on the state search
Practice location
1 William Carls Dr, Commerce Township, MI 48382
Phone
(248) 937-4947
Enumerated
Mar 19, 2007
Record last updated
Jun 19, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(248) 937-4947
Medicare enrollment
Enrolled (PECOS I20100922001142); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Human Medicine, 2005
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1 William Carls Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hadi Abou-RassInternal Medicine Physician1407396252
  2. Krista Barnes, PA-CPhysician Assistant1538638671
  3. Rebecca Behrends, M.D.Emergency Medicine Physician1780653907
  4. Jonathan Betteley, MPTPhysical Therapist1609360619
  5. Roland Brandt, DOOrthopaedic Surgery Physician1740271162
  6. Jennifer Bryce, PA-CMedical Physician Assistant1265551097

Verify Frederick E. Tonnos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101016566
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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91% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

30 Medicare Part D claims for 18 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 17 claims were for opioids.

  1. Frederick Tonnos30
  2. Specialty average346

Most prescribed

  1. Hydrocodone-Acetaminophen11 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 MIPS final score for 2023 (Medicare payment program): 78.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score91.5
  2. Costout of 100 · 30%75.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,157.26

8 payments; by number, the most common kind was food and beverage; the largest payer was Synthes GmbH. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Frederick Tonnos$3,157
  2. Specialty average$23,023

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

  1. Orthopedic Trauma Surgeons OF Northern CaliforniaRoseville, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Frederick E. Tonnos among 962 orthopaedic surgery physician records in Michigan

Frederick E. Tonnos, D.O. is one of 962 orthopaedic surgery physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 48% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2005 · median 2006 among the 560 with a school on file
  • Record last updated2012 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Michigan

There are 962 orthopaedic surgery physician records in Michigan.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Roland Brandt, DOCommerce Township, MI 483821740271162
  2. E Mitchell, D.O.Commerce Township, MI 483821447241864
  3. Germaine Fritz, D.O.Novi, MI 483751295730612
  4. David Prieskorn, D.O.Novi, MI 483751114922523
  5. Alexa Bank, MDNovi, MI 483741003756032
  6. Nicholas BolzNovi, MI 483741750813515
  7. Siddhartha Dandamudi, MDNovi, MI 483741942094701
  8. Todd Frush, MDNovi, MI 483741427264910

Common questions

What is Frederick E. Tonnos, D.O.'s NPI number?

Frederick E. Tonnos, D.O.'s National Provider Identifier (NPI) is 1700900032, issued on Mar 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Frederick E. Tonnos, D.O. located?

The NPPES record lists a practice address at 1 William Carls Dr, Commerce Township, MI, 48382. Phone: (248) 937-4947. Providers update this record themselves, so call before visiting.

How can I verify Frederick E. Tonnos, D.O.'s license?

NPPES lists Michigan license number 5101016566, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Frederick E. Tonnos, D.O. prescribe under Medicare Part D?

In 2024, Frederick E. Tonnos, D.O. had 30 Medicare Part D claims for 18 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is Frederick E. Tonnos, D.O.'s MIPS final score?

The 2023 MIPS final score is 78.6 of 100. 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.