Leila Oueini, MD
NPI 1902435928 · Hospitalist Physician · Concord, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leila Oueini, MD is a Hospitalist Physician provider in Concord, CA (NPI 1902435928).
Provider details
- NPI number
- 1902435928
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A185016 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
383 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 162 | $87 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 116 | $131 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 50 | $129 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 29 | $193 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 14 | $66 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-02
- Last updated
- 2024-10-14
- Certified
- 2024-10-14
Frequently asked questions
- What is Leila Oueini's NPI number?
- Leila Oueini's National Provider Identifier (NPI) is 1902435928, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leila Oueini's specialty?
- Leila Oueini is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Leila Oueini located?
- Leila Oueini's practice location on file with NPPES is 2700 Grant St Ste 200, Concord, CA 94520-2270.
- What is Leila Oueini's phone number?
- The practice phone number listed in the NPPES registry for Leila Oueini is (925) 947-3393.
- Does Leila Oueini accept Medicare?
- Leila Oueini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leila Oueini's NPI active?
- Yes — Leila Oueini's NPI (1902435928) is active in the NPPES registry as of the last update on 2024-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.