Tammie Horvath, PA
NPI 1619347432 · Physician Assistant · Bay City, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammie Horvath, PA is a Physician Assistant provider in Bay City, MI (NPI 1619347432).
Provider details
- NPI number
- 1619347432
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 5601007583 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-10-06
- Last updated
- 2015-10-06
Frequently asked questions
- What is Tammie Horvath's NPI number?
- Tammie Horvath's National Provider Identifier (NPI) is 1619347432, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammie Horvath's specialty?
- Tammie Horvath is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammie Horvath located?
- Tammie Horvath's practice location on file with NPPES is 3884 Monitor Rd, Bay City, MI 48706-9298.
- What is Tammie Horvath's phone number?
- The practice phone number listed in the NPPES registry for Tammie Horvath is (989) 671-2000.
- Does Tammie Horvath accept Medicare?
- Tammie Horvath is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammie Horvath's NPI active?
- Yes — Tammie Horvath's NPI (1619347432) is active in the NPPES registry as of the last update on 2015-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.