NPPES file of Aug 9, 2026

Mark Jacob Horvath

Emergency Medicine Physician · Farmington Hills, MI

Mark Jacob Horvath is an emergency medicine physician with a practice address in Farmington Hills, Michigan, and NPI 1508006552, issued on Mar 4, 2009. Check the license (Michigan 5101017855, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508006552
Name
Mark Jacob Horvath
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
5101017855 MI
Self-reported in NPPES; status is on the state search
Practice location
28050 Grand River Ave, Farmington Hills, MI 48336
Phone
(248) 471-8000
Enumerated
Mar 4, 2009
Record last updated
Mar 4, 2009 (not updated in 17 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 28050 Grand River Ave

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

  1. Naila Abdullah, DOInternal Medicine Physician1700372273
  2. Carley AbelSpeech-Language Pathologist1457813479
  3. Michael Abrash, M.D.Anatomic Pathology & Clinical Pathology Physician1033152681
  4. Ghadah AbujameaEmergency Medicine Physician1144102765
  5. Cheryl Adams, CRNACertified Registered Nurse Anesthetist1730476227
  6. Gloria AdamsCertified Registered Nurse Anesthetist1326051350

Verify Mark Jacob Horvath 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 5101017855
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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31% more Medicare Part D claims than the average emergency medicine physician in 2024

295 Medicare Part D claims for 202 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 41 claims were for opioids.

  1. Mark Horvath295
  2. Specialty average226

Most prescribed

  1. Methylprednisolone41 claims
  2. Prednisone41 claims
  3. Amoxicillin-Clavulanate Potass26 claims
  4. Hydrocodone-Acetaminophen25 claims
  5. Cephalexin22 claims
  6. Ondansetron Odt15 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.

Mark Jacob Horvath among 3,083 emergency medicine physician records in Michigan

Mark Jacob Horvath is one of 3,083 emergency medicine physician records with a practice address in Michigan. 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 2009, is newer than 38% of them.

  • NPI issued2009 · 38% of these records are older, 58% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2009 · 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 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

85 emergency medicine physician records list a practice address in Farmington Hills

They are 85 of the 36,305 NPPES records with a practice address in Farmington Hills, and 3,083 emergency medicine physician records in Michigan.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Linda Assaf, D.OFarmington Hills, MI 483361225276827
  2. Shirin Badrtalei-Shah, D.O., M.P.H.Farmington Hills, MI 483361205090867
  3. James Berry, D.O.Farmington Hills, MI 483361467571711
  4. Michael Fill, D.O.Farmington Hills, MI 483361487866976
  5. Michael Florin, D.O.Farmington Hills, MI 483361780806190
  6. David Hess, D.O.Farmington Hills, MI 483361306050034
  7. Paul Lacasse, D.O.Farmington Hills, MI 483361649207580
  8. Eric McDowell, D.O.Farmington Hills, MI 483361225234354

Common questions

What is Mark Jacob Horvath's NPI number?

Mark Jacob Horvath's National Provider Identifier (NPI) is 1508006552, issued on Mar 4, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Mark Jacob Horvath located?

The NPPES record lists a practice address at 28050 Grand River Ave, Farmington Hills, MI, 48336. Phone: (248) 471-8000. Providers update this record themselves, so call before visiting.

How can I verify Mark Jacob Horvath's license?

NPPES lists Michigan license number 5101017855, 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 Mark Jacob Horvath prescribe under Medicare Part D?

In 2024, Mark Jacob Horvath had 295 Medicare Part D claims for 202 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.