NPPES file of Aug 9, 2026

Mark A. Guzzo, M.D.

Emergency Medicine Physician · Toledo, OH

Mark A. Guzzo, M.D. is an emergency medicine physician with a practice address in Toledo, Ohio, and NPI 1609816297, issued on Jun 8, 2006. Check the license on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1609816297
Name
Mark A. Guzzo
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD424803 PA
Self-reported in NPPES; status is on the state search
Practice location
2142 N Cove Blvd, Toledo, OH 43606
Phone
(419) 291-4000
Enumerated
Jun 8, 2006
Record last updated
Jul 5, 2024
Medicare enrollment
Enrolled (PECOS I20110531000667); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2002
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 2142 N Cove Blvd

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

  1. Evan Abalos, D.O.Internal Medicine Physician1194163089
  2. Stacy Adams, CRNACertified Registered Nurse Anesthetist1790144301
  3. Mohammad Afridi, M.D.Vascular Surgery Physician1902809312
  4. Abul Faiz Ahmed, MDInternal Medicine Physician1275768715
  5. Wendy Alder, MNTRegistered Dietitian1104825553
  6. Abdalrahman Algendy, MDAnesthesiology Physician1497986343

Verify Mark A. Guzzo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of OhioCheck 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 Ohio license search

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11% fewer Medicare Part D claims than the average emergency medicine physician in 2024

201 Medicare Part D claims for 139 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 29 claims were for opioids.

  1. Mark Guzzo201
  2. Specialty average226

Most prescribed

  1. Prednisone17 claims
  2. Hydrocodone-Acetaminophen16 claims
  3. Cephalexin15 claims
  4. Azithromycin12 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

  1. Emergency Physicians OF Northwest Ohio, Inc.Monroe, MI
  2. The Toledo HospitalMaumee, OH

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

Mark A. Guzzo among 3,002 emergency medicine physician records in Ohio

Mark A. Guzzo, M.D. is one of 3,002 emergency medicine physician records with a practice address in Ohio. 82% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 63% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2002 · median 2013 among the 1,720 with a school on file
  • Record last updated2024 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

208 emergency medicine physician records list a practice address in Toledo

They are 208 of the 13,583 NPPES records with a practice address in Toledo, and 3,002 emergency medicine physician records in Ohio.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Todd Brookens, DOToledo, OH 436061386604924
  2. Ernest BrookfieldToledo, OH 436061952361446
  3. Kenneth Burnham, DOToledo, OH 436061396705885
  4. Cuong DoToledo, OH 436061861456964
  5. Jeffrey FordToledo, OH 436061427019454
  6. Russell JohnsonToledo, OH 436061336102375
  7. Brian KaminskiToledo, OH 436061972566917
  8. Diane LapointeToledo, OH 436061780647727

Common questions

What is Mark A. Guzzo, M.D.'s NPI number?

Mark A. Guzzo, M.D.'s National Provider Identifier (NPI) is 1609816297, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark A. Guzzo, M.D. located?

The NPPES record lists a practice address at 2142 N Cove Blvd, Toledo, OH, 43606. Phone: (419) 291-4000. Providers update this record themselves, so call before visiting.

How can I verify Mark A. Guzzo, M.D.'s license?

Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark A. Guzzo, M.D. prescribe under Medicare Part D?

In 2024, Mark A. Guzzo, M.D. had 201 Medicare Part D claims for 139 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.