Lilliana Freire, MD
NPI 1598400517 · Psychiatry Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lilliana Freire, MD is a Psychiatry Physician provider in Chicago, IL (NPI 1598400517).
Provider details
- NPI number
- 1598400517
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036177037 (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
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 39 | — |
| Trazodone Hcl | 35 | 11 |
| Gabapentin | 33 | — |
| Bupropion Hclbrand: Bupropion Xl | 30 | — |
| Aripiprazole | 26 | — |
| Lamotrigine | 20 | — |
| Escitalopram Oxalate | 17 |
Practice location
Mailing address
Additional practice locations (1)
- 1500 S Fairfield AveChicago, IL 60608-1782Phone: (773) 542-2000
Registry dates
- Enumerated
- 2022-05-03
- Last updated
- 2026-01-22
- Certified
- 2026-01-22
Frequently asked questions
- What is Lilliana Freire's NPI number?
- Lilliana Freire's National Provider Identifier (NPI) is 1598400517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lilliana Freire's specialty?
- Lilliana Freire is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Lilliana Freire located?
- Lilliana Freire's practice location on file with NPPES is 2150 W Harrison St, Chicago, IL 60612-3706.
- What is Lilliana Freire's phone number?
- The practice phone number listed in the NPPES registry for Lilliana Freire is (312) 942-5375.
- Does Lilliana Freire accept Medicare?
- Lilliana Freire is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lilliana Freire's NPI active?
- Yes — Lilliana Freire's NPI (1598400517) is active in the NPPES registry as of the last update on 2026-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.