Cassandra Montoya, M.D.
NPI 1043654734 · Neonatal-Perinatal Medicine Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Montoya, M.D. is a Neonatal-Perinatal Medicine Physician provider in Chicago, IL (NPI 1043654734).
Provider details
- NPI number
- 1043654734
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036150073 (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
13 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
- 2013-04-24
- Last updated
- 2024-08-07
- Certified
- 2024-08-07
Frequently asked questions
- What is Cassandra Montoya's NPI number?
- Cassandra Montoya's National Provider Identifier (NPI) is 1043654734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Montoya's specialty?
- Cassandra Montoya is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cassandra Montoya located?
- Cassandra Montoya's practice location on file with NPPES is 225 E Chicago Ave, Chicago, IL 60611-2991.
- What is Cassandra Montoya's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Montoya is (312) 227-4000.
- Does Cassandra Montoya accept Medicare?
- Cassandra Montoya is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Montoya's NPI active?
- Yes — Cassandra Montoya's NPI (1043654734) is active in the NPPES registry as of the last update on 2024-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.