Christos Katsigiannis MD PA
NPI 1477919322 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Houston, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christos Katsigiannis MD PA is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician organization in Houston, TX (NPI 1477919322).
Provider details
- NPI number
- 1477919322
- Entity type
- Organization
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Christos Katsigiannis, Owner/M.d.(713) 838-2300
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
10 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
- 2016-01-07
- Last updated
- 2021-07-13
- Certified
- 2021-07-13
Frequently asked questions
- What is Christos Katsigiannis MD PA's NPI number?
- Christos Katsigiannis MD PA's National Provider Identifier (NPI) is 1477919322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Christos Katsigiannis MD PA?
- Christos Katsigiannis MD PA is classified in the NPPES registry as Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Christos Katsigiannis MD PA located?
- Christos Katsigiannis MD PA's practice location on file with NPPES is 427 W 20th St Ste 300, Houston, TX 77008-2429.
- What is Christos Katsigiannis MD PA's phone number?
- The practice phone number listed in the NPPES registry for Christos Katsigiannis MD PA is (713) 838-2300.
- Does Christos Katsigiannis MD PA accept Medicare?
- Christos Katsigiannis MD PA 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 Christos Katsigiannis MD PA?
- The authorized official listed on Christos Katsigiannis MD PA's NPPES record is Christos Katsigiannis, Owner/M.d.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Christos Katsigiannis MD PA's NPI active?
- Yes — Christos Katsigiannis MD PA's NPI (1477919322) is active in the NPPES registry as of the last update on 2021-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.