Willow Brook Critical Care Medical Group, Inc
NPI 1811520224 · Hospitalist Physician · Glendale, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Willow Brook Critical Care Medical Group, Inc is a Hospitalist Physician organization in Glendale, CA (NPI 1811520224).
Provider details
- NPI number
- 1811520224
- Entity type
- Organization
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Steven Maron, MD(303) 493-4443
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
6 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
- 2020-02-14
- Last updated
- 2025-02-12
- Certified
- 2025-02-12
Frequently asked questions
- What is Willow Brook Critical Care Medical Group, Inc's NPI number?
- Willow Brook Critical Care Medical Group, Inc's National Provider Identifier (NPI) is 1811520224, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Willow Brook Critical Care Medical Group, Inc?
- Willow Brook Critical Care Medical Group, Inc is classified in the NPPES registry as Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Willow Brook Critical Care Medical Group, Inc located?
- Willow Brook Critical Care Medical Group, Inc's practice location on file with NPPES is 1420 S Central Ave, Glendale, CA 91204-2508.
- What is Willow Brook Critical Care Medical Group, Inc's phone number?
- The practice phone number listed in the NPPES registry for Willow Brook Critical Care Medical Group, Inc is (448) 474-4019.
- Does Willow Brook Critical Care Medical Group, Inc accept Medicare?
- Willow Brook Critical Care Medical Group, Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Willow Brook Critical Care Medical Group, Inc?
- The authorized official listed on Willow Brook Critical Care Medical Group, Inc's NPPES record is Steven Maron, MD. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Willow Brook Critical Care Medical Group, Inc's NPI active?
- Yes — Willow Brook Critical Care Medical Group, Inc's NPI (1811520224) is active in the NPPES registry as of the last update on 2025-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.