Steven Mezsick, M.D.
NPI 1699933499 · Anesthesiology Physician · Mishawaka, IN
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Mezsick, M.D. is a Anesthesiology Physician provider in Mishawaka, IN (NPI 1699933499).
Provider details
- NPI number
- 1699933499
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01066359A (IN)
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
18 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
- 2008-05-28
- Last updated
- 2010-02-11
Frequently asked questions
- What is Steven Mezsick's NPI number?
- Steven Mezsick's National Provider Identifier (NPI) is 1699933499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Mezsick's specialty?
- Steven Mezsick is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Mezsick located?
- Steven Mezsick's practice location on file with NPPES is 5215 Holy Cross Parkway, Mishawaka, IN 46545-1469.
- What is Steven Mezsick's phone number?
- The practice phone number listed in the NPPES registry for Steven Mezsick is (574) 233-3123.
- Does Steven Mezsick accept Medicare?
- Steven Mezsick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Mezsick's NPI active?
- Yes — Steven Mezsick's NPI (1699933499) is active in the NPPES registry as of the last update on 2010-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.