Pilar Guerrero, MD
NPI 1639290851 · Emergency Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Pilar Guerrero, MD is a Emergency Medicine Physician provider in Chicago, IL (NPI 1639290851).
Provider details
- NPI number
- 1639290851
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036-102904 (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
19 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
- 2007-04-03
- Last updated
- 2021-04-26
- Certified
- 2021-04-26
Frequently asked questions
- What is Pilar Guerrero's NPI number?
- Pilar Guerrero's National Provider Identifier (NPI) is 1639290851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Pilar Guerrero's specialty?
- Pilar Guerrero is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Pilar Guerrero located?
- Pilar Guerrero's practice location on file with NPPES is 1901 W Harrison St, Chicago, IL 60612-3714.
- What is Pilar Guerrero's phone number?
- The practice phone number listed in the NPPES registry for Pilar Guerrero is (312) 864-0061.
- Does Pilar Guerrero accept Medicare?
- Pilar Guerrero is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Pilar Guerrero's NPI active?
- Yes — Pilar Guerrero's NPI (1639290851) is active in the NPPES registry as of the last update on 2021-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.