Tammie Horvath, PA
Physician Assistant · Bay City, MI
Tammie Horvath, PA is a physician assistant with a practice address in Bay City, Michigan, and NPI 1619347432, issued on Oct 6, 2015. Check the license (Michigan 5601007583, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tammie Horvath
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601007583 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3884 Monitor RD, Bay City, MI 48706
- Phone
- (989) 671-2000
- Enumerated
- Oct 6, 2015
- Record last updated
- Oct 6, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (989) 671-4000
- Medicare enrollment
- Enrolled (PECOS I20151028000128); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 3884 Monitor RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caitlin Brosky, DDSDentist1104669183
- Miranda BrownFamily Nurse Practitioner1194477182
- Lisa CameroDental Hygienist1497132104
- Megan Cokley, FNPFamily Nurse Practitioner1225857329
- Marissa Frosheiser, DMDGeneral Practice Dentistry1861239303
- Theresa Guinther-Mulders, DOPediatrics Physician1326206020
Verify Tammie Horvath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601007583Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mymichigan Medical GroupGladwin, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tammie Horvath among 6,989 physician assistant records in Michigan
Tammie Horvath, PA is one of 6,989 physician assistant 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 2015, is newer than 45% of them.
- NPI issued2015 · 45% of these records are older, 52% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2015 · median 2017 among the 4,739 with a school on file
- Record last updated2015 · 40% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 physician assistant records list a practice address in Bay City
They are 38 of the 2,380 NPPES records with a practice address in Bay City, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Bay City → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Emily Atkins, PABay City, MI 487061598914491
- Shelly CampbellBay City, MI 487061730711573
- Mary Cronkright, PACBay City, MI 487061467502914
- Myra GalushaBay City, MI 487061104288414
- Lawrence Kammer, PA-CBay City, MI 487061841223120
- Maegan Klawinski, PA-CBay City, MI 487061730460767
- James Knight, PA-CBay City, MI 487061831129949
- Michael Lupo, PA-CBay City, MI 487061710432646
Common questions
What is Tammie Horvath, PA's NPI number?
Tammie Horvath, PA's National Provider Identifier (NPI) is 1619347432, issued on Oct 6, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Tammie Horvath, PA located?
The NPPES record lists a practice address at 3884 Monitor RD, Bay City, MI, 48706. Phone: (989) 671-2000. Providers update this record themselves, so call before visiting.
How can I verify Tammie Horvath, PA's license?
NPPES lists Michigan license number 5601007583, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity 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.