Quick answers
- Which hospitals does Mark J. Gros work at?
- Medicare's official clinician data lists Mark J. Gros at 4 hospitals: Ascension Via Christi Hospital Manhattan, Inc, Clay County Medical Center, Manhattan Surgical Hospital LLC and Stormont Vail Health Flint Hills, LLC. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark J. Gros see patients?
- Medicare's clinician data lists 1 practice location in Manhattan, KS. Call before your visit to confirm the address.
- What is Mark J. Gros's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Mark J. Gros accept Medicare assignment?
- Yes. Medicare's clinician data says Mark J. Gros 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 J. Gros?
- (785) 776-1400, as listed in official Medicare / NPI Registry data.
- What is Mark J. Gros's NPI number?
- 1881697571. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark J. Gros works
Medicare's Facility Affiliation Data lists Mark J. Gros at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Via Christi Hospital Manhattan, IncManhattan, KS · Acute Care Hospital · CCN 170142
- Clay County Medical CenterClay Center, KS · Critical Access Hospital · CCN 171371
- Manhattan Surgical Hospital LLCManhattan, KS · Acute Care Hospital · CCN 170190
- Stormont Vail Health Flint Hills, LLCJunction City, KS · Acute Care Hospital · CCN 170074
Practice locations
Addresses where Mark J. Gros is enrolled with Medicare (CMS data updated 2026-10-02).
- 1620 Charles PlManhattan, KS 66502 (785) 776‑1400
Group practices
Medicare enrollment lists Mark J. Gros as a member of this group (CMS data updated 2026-10-02).
- The Women's Health Group, P.A.9 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Manhattan
Clinicians with the same Medicare primary specialty in Manhattan, KS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881697571 |
| 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