Pac Specialists, LLC
NPI 1124374509 · Internal Medicine Physician · Chicago, IL
Pac Specialists, LLC is a Internal Medicine Physician organization in Chicago, IL (NPI 1124374509).
Provider details
- NPI number
- 1124374509
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Robert Perlmuter, President(773) 206-0412
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
13 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
- 2012-08-03
- Last updated
- 2012-08-03
Frequently asked questions
- What is Pac Specialists, LLC's NPI number?
- Pac Specialists, LLC's National Provider Identifier (NPI) is 1124374509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Pac Specialists, LLC?
- Pac Specialists, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Pac Specialists, LLC located?
- Pac Specialists, LLC's practice location on file with NPPES is 1460 N Halsted St, Chicago, IL 60642-2605.
- What is Pac Specialists, LLC's phone number?
- The practice phone number listed in the NPPES registry for Pac Specialists, LLC is (773) 206-0412.
- Who is the authorized official for Pac Specialists, LLC?
- The authorized official listed on Pac Specialists, LLC's NPPES record is Robert Perlmuter, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Pac Specialists, LLC's NPI active?
- Yes — Pac Specialists, LLC's NPI (1124374509) is active in the NPPES registry as of the last update on 2012-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.