Gregory Kaczmarek, MD, LLC
NPI 1780925305 · Internal Medicine Physician · Skokie, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Kaczmarek, MD, LLC is a Internal Medicine Physician organization in Skokie, IL (NPI 1780925305).
Provider details
- NPI number
- 1780925305
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gregory Kaczmarek, President(847) 679-6707
- License
- 036081697 (IL)
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
- 2013-03-06
- Last updated
- 2013-03-06
Frequently asked questions
- What is Gregory Kaczmarek, MD, LLC's NPI number?
- Gregory Kaczmarek, MD, LLC's National Provider Identifier (NPI) is 1780925305, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gregory Kaczmarek, MD, LLC?
- Gregory Kaczmarek, MD, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Kaczmarek, MD, LLC located?
- Gregory Kaczmarek, MD, LLC's practice location on file with NPPES is 4905 Old Orchard Ctr, Skokie, IL 60077-1458.
- What is Gregory Kaczmarek, MD, LLC's phone number?
- The practice phone number listed in the NPPES registry for Gregory Kaczmarek, MD, LLC is (847) 679-6707.
- Does Gregory Kaczmarek, MD, LLC accept Medicare?
- Gregory Kaczmarek, MD, LLC 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 Gregory Kaczmarek, MD, LLC?
- The authorized official listed on Gregory Kaczmarek, MD, LLC's NPPES record is Gregory Kaczmarek, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gregory Kaczmarek, MD, LLC's NPI active?
- Yes — Gregory Kaczmarek, MD, LLC's NPI (1780925305) is active in the NPPES registry as of the last update on 2013-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.