Timothy Koo, M.D.
NPI 1548551765 · Emergency Medicine Physician · Bronx, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Koo, M.D. is a Emergency Medicine Physician provider in Bronx, NY (NPI 1548551765).
Provider details
- NPI number
- 1548551765
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2011-04-21
- Last updated
- 2023-05-15
- Certified
- 2023-05-03
Frequently asked questions
- What is Timothy Koo's NPI number?
- Timothy Koo's National Provider Identifier (NPI) is 1548551765, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Koo's specialty?
- Timothy Koo is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Koo located?
- Timothy Koo's practice location on file with NPPES is 1650 Grand Concourse, Bronx, NY 10457-7606.
- What is Timothy Koo's phone number?
- The practice phone number listed in the NPPES registry for Timothy Koo is (718) 992-7669.
- Does Timothy Koo accept Medicare?
- Timothy Koo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Koo's NPI active?
- Yes — Timothy Koo's NPI (1548551765) is active in the NPPES registry as of the last update on 2023-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.