Ambica Trehan
NPI 1386385599 · Emergency Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ambica Trehan is a Emergency Medicine Physician provider in Brooklyn, NY (NPI 1386385599).
Provider details
- NPI number
- 1386385599
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- 335040 (NY)
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
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
- 2022-04-05
- Last updated
- 2025-10-03
- Certified
- 2025-10-03
Frequently asked questions
- What is Ambica Trehan's NPI number?
- Ambica Trehan's National Provider Identifier (NPI) is 1386385599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ambica Trehan's specialty?
- Ambica Trehan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ambica Trehan located?
- Ambica Trehan's practice location on file with NPPES is Maimonides Medical Center, Brooklyn, NY 11219.
- What is Ambica Trehan's phone number?
- The practice phone number listed in the NPPES registry for Ambica Trehan is (718) 283-6000.
- Does Ambica Trehan accept Medicare?
- Ambica Trehan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ambica Trehan's NPI active?
- Yes — Ambica Trehan's NPI (1386385599) is active in the NPPES registry as of the last update on 2025-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.