OrganizationActive
Derrick Farmer, MD, LLC
NPI 1821584723 · Psychiatry Physician · Chicago, IL
Derrick Farmer, MD, LLC is a Psychiatry Physician organization in Chicago, IL (NPI 1821584723).
Provider details
- NPI number
- 1821584723
- 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
Fax: (847) 919-6875
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 Farmer, MD, LLC's NPI number?
- Derrick Farmer, MD, LLC's National Provider Identifier (NPI) is 1821584723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Derrick Farmer, MD, LLC?
- Derrick Farmer, MD, LLC is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Derrick Farmer, MD, LLC located?
- Derrick Farmer, MD, LLC's practice location on file with NPPES is 2500 W Bradley Pl Ste 100, Chicago, IL 60618.
- What is Derrick Farmer, MD, LLC's phone number?
- The practice phone number listed in the NPPES registry for Derrick Farmer, MD, LLC is (224) 306-1879.
- Who is the authorized official for Derrick Farmer, MD, LLC?
- The authorized official listed on Derrick 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 Farmer, MD, LLC's NPI active?
- Yes — Derrick Farmer, MD, LLC's NPI (1821584723) 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.