Patrick J Gallagher MD Sc
NPI 1639554793 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick J Gallagher MD Sc is a Internal Medicine Physician organization in Chicago, IL (NPI 1639554793).
Provider details
- NPI number
- 1639554793
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Patrick J. Gallagher, M.D., S.c.
- Organization subpart
- Yes
- Authorized official
- Patrick Gallagher, President(773) 318-0456
- License
- 036137979 (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
10 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
- 2015-07-29
- Last updated
- 2026-03-27
- Certified
- 2026-03-27
Frequently asked questions
- What is Patrick J Gallagher MD Sc's NPI number?
- Patrick J Gallagher MD Sc's National Provider Identifier (NPI) is 1639554793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Patrick J Gallagher MD Sc?
- Patrick J Gallagher MD Sc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick J Gallagher MD Sc located?
- Patrick J Gallagher MD Sc's practice location on file with NPPES is 211 E Chicago Ave, Chicago, IL 60611-2637.
- What is Patrick J Gallagher MD Sc's phone number?
- The practice phone number listed in the NPPES registry for Patrick J Gallagher MD Sc is (773) 995-8961.
- Does Patrick J Gallagher MD Sc accept Medicare?
- Patrick J Gallagher MD Sc 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 Patrick J Gallagher MD Sc?
- The authorized official listed on Patrick J Gallagher MD Sc's NPPES record is Patrick Gallagher, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Patrick J Gallagher MD Sc's NPI active?
- Yes — Patrick J Gallagher MD Sc's NPI (1639554793) is active in the NPPES registry as of the last update on 2026-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.