Alexander Timchak MD LLC
NPI 1891113734 · Psychiatry Physician · Northbrook, IL
Alexander Timchak MD LLC is a Psychiatry Physician organization in Northbrook, IL (NPI 1891113734).
Provider details
- NPI number
- 1891113734
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alexander Timchak, Manager(708) 207-4580
- License
- 336090545 (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
12 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
- 2014-03-28
- Last updated
- 2014-03-28
Frequently asked questions
- What is Alexander Timchak MD LLC's NPI number?
- Alexander Timchak MD LLC's National Provider Identifier (NPI) is 1891113734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alexander Timchak MD LLC?
- Alexander Timchak MD LLC is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Timchak MD LLC located?
- Alexander Timchak MD LLC's practice location on file with NPPES is 60 Revere Dr Ste 100, Northbrook, IL 60062-1590.
- What is Alexander Timchak MD LLC's phone number?
- The practice phone number listed in the NPPES registry for Alexander Timchak MD LLC is (708) 207-4580.
- Who is the authorized official for Alexander Timchak MD LLC?
- The authorized official listed on Alexander Timchak MD LLC's NPPES record is Alexander Timchak, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alexander Timchak MD LLC's NPI active?
- Yes — Alexander Timchak MD LLC's NPI (1891113734) is active in the NPPES registry as of the last update on 2014-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.