Quick answers
- Which hospitals does Nicolas P. Xydas work at?
- Medicare's official clinician data lists Nicolas P. Xydas at 1 hospital: HCA Houston Healthcare Northwest. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nicolas P. Xydas see patients?
- Medicare's clinician data lists 1 practice location in Houston, TX. Call before your visit to confirm the address.
- What is Nicolas P. Xydas's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty, and also Hospitalist.
- Does Nicolas P. Xydas accept Medicare assignment?
- Yes. Medicare's clinician data says Nicolas P. Xydas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Nicolas P. Xydas?
- (713) 695-0002, as listed in official Medicare / NPI Registry data.
- What is Nicolas P. Xydas's NPI number?
- 1922034669. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nicolas P. Xydas works
Medicare's Facility Affiliation Data lists Nicolas P. Xydas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HCA Houston Healthcare NorthwestHouston, TX · Acute Care Hospital · CCN 450638
Practice locations
Addresses where Nicolas P. Xydas is enrolled with Medicare (CMS data updated 2026-10-02).
- 6500 N Fwy, Suite 110Houston, TX 77076 (713) 695‑0002
Specialties
- Obstetrics/Gynecologyprimary
- Hospitalistalso
Other OB-GYNs in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922034669 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians