Westside Medical Associates, Ltd.
NPI 1851439152 · Internal Medicine Physician · Melrose Park, IL
Westside Medical Associates, Ltd. is a Internal Medicine Physician organization in Melrose Park, IL (NPI 1851439152).
Provider details
- NPI number
- 1851439152
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Richard Mattis, Chief Executive Officer(708) 450-5060
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
- 2007-02-01
- Last updated
- 2020-08-22
Frequently asked questions
- What is Westside Medical Associates, Ltd.'s NPI number?
- Westside Medical Associates, Ltd.'s National Provider Identifier (NPI) is 1851439152, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Westside Medical Associates, Ltd.?
- Westside Medical Associates, Ltd. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Westside Medical Associates, Ltd. located?
- Westside Medical Associates, Ltd.'s practice location on file with NPPES is 675 W North Ave, Melrose Park, IL 60160-1634.
- What is Westside Medical Associates, Ltd.'s phone number?
- The practice phone number listed in the NPPES registry for Westside Medical Associates, Ltd. is (708) 450-5060.
- Who is the authorized official for Westside Medical Associates, Ltd.?
- The authorized official listed on Westside Medical Associates, Ltd.'s NPPES record is Richard Mattis, Chief Executive Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Westside Medical Associates, Ltd.'s NPI active?
- Yes — Westside Medical Associates, Ltd.'s NPI (1851439152) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.