West Side Pathology Associates, P.C.
NPI 1114954401 · Anatomic Pathology & Clinical Pathology Physician · Oak Park, IL
West Side Pathology Associates, P.C. is a Anatomic Pathology & Clinical Pathology Physician organization in Oak Park, IL (NPI 1114954401).
Provider details
- NPI number
- 1114954401
- Entity type
- Organization
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Polina Zaytsev, President(877) 852-4669
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
19 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
- 2006-06-26
- Last updated
- 2011-06-01
Frequently asked questions
- What is West Side Pathology Associates, P.C.'s NPI number?
- West Side Pathology Associates, P.C.'s National Provider Identifier (NPI) is 1114954401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is West Side Pathology Associates, P.C.?
- West Side Pathology Associates, P.C. is classified in the NPPES registry as Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is West Side Pathology Associates, P.C. located?
- West Side Pathology Associates, P.C.'s practice location on file with NPPES is 3 Erie Ct, Oak Park, IL 60302-2519.
- What is West Side Pathology Associates, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for West Side Pathology Associates, P.C. is (877) 852-4669.
- Who is the authorized official for West Side Pathology Associates, P.C.?
- The authorized official listed on West Side Pathology Associates, P.C.'s NPPES record is Polina Zaytsev, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is West Side Pathology Associates, P.C.'s NPI active?
- Yes — West Side Pathology Associates, P.C.'s NPI (1114954401) is active in the NPPES registry as of the last update on 2011-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.