Quick answers
- Where does Mark Kosanovich see patients?
- Medicare's clinician data lists 3 practice locations, including The Woodlands, TX and Houston, TX. Call before your visit to confirm the address.
- What is Mark Kosanovich's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Mark Kosanovich accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Kosanovich 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 Mark Kosanovich?
- (800) 967-2289, as listed in official Medicare / NPI Registry data.
- What is Mark Kosanovich's NPI number?
- 1275517401. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark Kosanovich is enrolled with Medicare (CMS data updated 2026-10-02).
- 17201 Interstate 45 SThe Woodlands, TX 77385 (800) 967‑2289
- 3811 Lyons AveHouston, TX 77020 (832) 548‑5400
- 5616 Lawndale StHouston, TX 77023 (713) 759‑0912
Group practices
Medicare enrollment lists Mark Kosanovich as a member of these groups (CMS data updated 2026-10-02).
- Obhg Texas Holdings PA176 clinicians in the group
- Legacy Community Health Services, Inc155 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in The Woodlands
Clinicians with the same Medicare primary specialty in The Woodlands, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275517401 |
| 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
- 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