IndividualActive
Joseph Flaherty
NPI 1689773558 · Psychiatry Physician · Chicago, IL
Joseph Flaherty is a Psychiatry Physician provider in Chicago, IL (NPI 1689773558).
Provider details
- NPI number
- 1689773558
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(84/100 index)
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
83% 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
1740 W Taylor St
Chicago, IL 60612-7232
Phone: (866) 600-2273
Street-level locationGet directions
Mailing address
809 S Marshfield Ave
Chicago, IL 60612-4305
Registry dates
- Enumerated
- 2006-09-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joseph Flaherty's NPI number?
- Joseph Flaherty's National Provider Identifier (NPI) is 1689773558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Flaherty's specialty?
- Joseph Flaherty is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Flaherty located?
- Joseph Flaherty's practice location on file with NPPES is 1740 W Taylor St, Chicago, IL 60612-7232.
- What is Joseph Flaherty's phone number?
- The practice phone number listed in the NPPES registry for Joseph Flaherty is (866) 600-2273.
- Is Joseph Flaherty's NPI active?
- Yes — Joseph Flaherty's NPI (1689773558) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.