Dr. Thomas S Flach and Associates
NPI 1659594430 · Family Medicine Physician · Western Springs, IL
Dr. Thomas S Flach and Associates is a Family Medicine Physician organization in Western Springs, IL (NPI 1659594430).
Provider details
- NPI number
- 1659594430
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Thomas Flach, Physician(708) 246-4376
- License
- 036082941 (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
19 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
- 2007-04-10
- Last updated
- 2015-05-12
Frequently asked questions
- What is Dr. Thomas S Flach and Associates's NPI number?
- Dr. Thomas S Flach and Associates's National Provider Identifier (NPI) is 1659594430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Thomas S Flach and Associates?
- Dr. Thomas S Flach and Associates is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dr. Thomas S Flach and Associates located?
- Dr. Thomas S Flach and Associates's practice location on file with NPPES is 512 Hillgrove Ave, Western Springs, IL 60558-1442.
- What is Dr. Thomas S Flach and Associates's phone number?
- The practice phone number listed in the NPPES registry for Dr. Thomas S Flach and Associates is (708) 246-4376.
- Who is the authorized official for Dr. Thomas S Flach and Associates?
- The authorized official listed on Dr. Thomas S Flach and Associates's NPPES record is Thomas Flach, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Thomas S Flach and Associates's NPI active?
- Yes — Dr. Thomas S Flach and Associates's NPI (1659594430) is active in the NPPES registry as of the last update on 2015-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.