Louis S Markowitz O D & Associates Inc.
NPI 1629079124 · Optometrist · Indiana, PA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis S Markowitz O D & Associates Inc. is a Optometrist organization in Indiana, PA (NPI 1629079124).
Provider details
- NPI number
- 1629079124
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Frank Zbignewich, Vice President(724) 349-4985
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Other names (DBA / former)
- Doing business as
- Markowitz & Associates Inc.
Registry dates
- Enumerated
- 2005-08-09
- Last updated
- 2022-07-21
Frequently asked questions
- What is Louis S Markowitz O D & Associates Inc.'s NPI number?
- Louis S Markowitz O D & Associates Inc.'s National Provider Identifier (NPI) is 1629079124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Louis S Markowitz O D & Associates Inc.?
- Louis S Markowitz O D & Associates Inc. is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Louis S Markowitz O D & Associates Inc. located?
- Louis S Markowitz O D & Associates Inc.'s practice location on file with NPPES is 101 Heritage Run Rd, Indiana, PA 15701-1584.
- What is Louis S Markowitz O D & Associates Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Louis S Markowitz O D & Associates Inc. is (724) 349-4985.
- Does Louis S Markowitz O D & Associates Inc. accept Medicare?
- Louis S Markowitz O D & Associates Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Louis S Markowitz O D & Associates Inc.?
- The authorized official listed on Louis S Markowitz O D & Associates Inc.'s NPPES record is Frank Zbignewich, Vice President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Louis S Markowitz O D & Associates Inc.'s NPI active?
- Yes — Louis S Markowitz O D & Associates Inc.'s NPI (1629079124) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.