Derrick Farmer, M.D.
NPI 1568875672 · Psychiatry Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derrick Farmer, M.D. is a Psychiatry Physician provider in Chicago, IL (NPI 1568875672).
Provider details
- NPI number
- 1568875672
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036.144993 (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
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
- 2014-06-05
- Last updated
- 2018-02-21
Frequently asked questions
- What is Derrick Farmer's NPI number?
- Derrick Farmer's National Provider Identifier (NPI) is 1568875672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derrick Farmer's specialty?
- Derrick Farmer is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Derrick Farmer located?
- Derrick Farmer's practice location on file with NPPES is 5841 S Maryland Ave # Mc3077, Chicago, IL 60637-1443.
- What is Derrick Farmer's phone number?
- The practice phone number listed in the NPPES registry for Derrick Farmer is (773) 702-8595.
- Does Derrick Farmer accept Medicare?
- Derrick Farmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derrick Farmer's NPI active?
- Yes — Derrick Farmer's NPI (1568875672) is active in the NPPES registry as of the last update on 2018-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.