OrganizationActive
Derrick L. Farmer, MD, LLC
NPI 1912493818 · Psychiatry Physician · Chicago, IL
Derrick L. Farmer, MD, LLC is a Psychiatry Physician organization in Chicago, IL (NPI 1912493818).
Provider details
- NPI number
- 1912493818
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Derrick Farmer, MD(224) 306-1879
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
2500 W Bradley Pl Ste 100
Chicago, IL 60618
Phone: (224) 306-1879
Street-level locationGet directions
Mailing address
Po Box 506
Northbrook, IL 60065-0506
Registry dates
- Enumerated
- 2018-07-03
- Last updated
- 2018-07-18
Frequently asked questions
- What is Derrick L. Farmer, MD, LLC's NPI number?
- Derrick L. Farmer, MD, LLC's National Provider Identifier (NPI) is 1912493818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Derrick L. Farmer, MD, LLC?
- Derrick L. Farmer, MD, LLC is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Derrick L. Farmer, MD, LLC located?
- Derrick L. Farmer, MD, LLC's practice location on file with NPPES is 2500 W Bradley Pl Ste 100, Chicago, IL 60618.
- What is Derrick L. Farmer, MD, LLC's phone number?
- The practice phone number listed in the NPPES registry for Derrick L. Farmer, MD, LLC is (224) 306-1879.
- Who is the authorized official for Derrick L. Farmer, MD, LLC?
- The authorized official listed on Derrick L. Farmer, MD, LLC's NPPES record is Derrick Farmer, MD. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Derrick L. Farmer, MD, LLC's NPI active?
- Yes — Derrick L. Farmer, MD, LLC's NPI (1912493818) is active in the NPPES registry as of the last update on 2018-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.