Thomas Zguris, M.D.
NPI 1821322231 · Emergency Medicine Physician · Rochester Hills, MI
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Zguris, M.D. is a Emergency Medicine Physician provider in Rochester Hills, MI (NPI 1821322231).
Provider details
- NPI number
- 1821322231
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301046034 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2009-10-01
- Last updated
- 2009-10-01
Frequently asked questions
- What is Thomas Zguris's NPI number?
- Thomas Zguris's National Provider Identifier (NPI) is 1821322231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Zguris's specialty?
- Thomas Zguris is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Zguris located?
- Thomas Zguris's practice location on file with NPPES is 1847 Arthurs Way, Rochester Hills, MI 48306-3363.
- What is Thomas Zguris's phone number?
- The practice phone number listed in the NPPES registry for Thomas Zguris is (630) 689-8380.
- Does Thomas Zguris accept Medicare?
- Thomas Zguris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Zguris's NPI active?
- Yes — Thomas Zguris's NPI (1821322231) is active in the NPPES registry as of the last update on 2009-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.