Louis Lazzara, D.O.
NPI 1558786186 · Psychiatry Physician · Butler, PA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Lazzara, D.O. is a Psychiatry Physician provider in Butler, PA (NPI 1558786186).
Provider details
- NPI number
- 1558786186
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 0102204205 (VA)
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
12 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
- 2014-02-18
- Last updated
- 2025-08-12
- Certified
- 2025-08-12
Frequently asked questions
- What is Louis Lazzara's NPI number?
- Louis Lazzara's National Provider Identifier (NPI) is 1558786186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Lazzara's specialty?
- Louis Lazzara is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Lazzara located?
- Louis Lazzara's practice location on file with NPPES is 216 N Washington St, Butler, PA 16001-5241.
- What is Louis Lazzara's phone number?
- The practice phone number listed in the NPPES registry for Louis Lazzara is (724) 968-5310.
- Does Louis Lazzara accept Medicare?
- Louis Lazzara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Lazzara's NPI active?
- Yes — Louis Lazzara's NPI (1558786186) is active in the NPPES registry as of the last update on 2025-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.