Patrick Callahan, M.D
NPI 1972569481 · Anesthesiology Physician · Hoffman Estates, IL
Patrick Callahan, M.D is a Anesthesiology Physician provider in Hoffman Estates, IL (NPI 1972569481).
Provider details
- NPI number
- 1972569481
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 036075060 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-04-24
- Last updated
- 2008-06-11
Frequently asked questions
- What is Patrick Callahan's NPI number?
- Patrick Callahan's National Provider Identifier (NPI) is 1972569481, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Callahan's specialty?
- Patrick Callahan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Callahan located?
- Patrick Callahan's practice location on file with NPPES is 1555 Barrington Rd, Hoffman Estates, IL 60169-1019.
- What is Patrick Callahan's phone number?
- The practice phone number listed in the NPPES registry for Patrick Callahan is (847) 490-2923.
- Is Patrick Callahan's NPI active?
- Yes — Patrick Callahan's NPI (1972569481) is active in the NPPES registry as of the last update on 2008-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.