Syed Usman Bin Mahmood
NPI 1558927004 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New Haven, CT
Enrolled with Medicare as Order and Referring Only - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Syed Usman Bin Mahmood is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in New Haven, CT (NPI 1558927004).
Provider details
- NPI number
- 1558927004
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 342361 (NY)
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
7 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
- 2019-05-09
- Last updated
- 2026-03-12
- Certified
- 2026-03-12
Frequently asked questions
- What is Syed Usman Bin Mahmood's NPI number?
- Syed Usman Bin Mahmood's National Provider Identifier (NPI) is 1558927004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Syed Usman Bin Mahmood's specialty?
- Syed Usman Bin Mahmood is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Syed Usman Bin Mahmood located?
- Syed Usman Bin Mahmood's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Syed Usman Bin Mahmood's phone number?
- The practice phone number listed in the NPPES registry for Syed Usman Bin Mahmood is (203) 688-4242.
- Does Syed Usman Bin Mahmood accept Medicare?
- Syed Usman Bin Mahmood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Syed Usman Bin Mahmood's NPI active?
- Yes — Syed Usman Bin Mahmood's NPI (1558927004) is active in the NPPES registry as of the last update on 2026-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.