Quick answers
- Which hospitals does Mary M. Yenchick work at?
- Medicare's official clinician data lists Mary M. Yenchick at 5 hospitals: Beaumont Hospital, Troy, Henry Ford Health Hospital, Henry Ford Health St John Hospital, Henry Ford Health Warren Hospital and Henry Ford Macomb Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary M. Yenchick see patients?
- Medicare's clinician data lists 2 practice locations, including Macomb, MI and Roseville, MI. Call before your visit to confirm the address.
- What is Mary M. Yenchick's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Mary M. Yenchick accept Medicare assignment?
- Yes. Medicare's clinician data says Mary M. Yenchick 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.
- Does Mary M. Yenchick offer telehealth?
- Medicare's clinician data says Mary M. Yenchick offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mary M. Yenchick?
- (313) 647-3900, as listed in official Medicare / NPI Registry data.
- What is Mary M. Yenchick's NPI number?
- 1649263047. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary M. Yenchick works
Medicare's Facility Affiliation Data lists Mary M. Yenchick at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · CCN 230269
- Henry Ford Health HospitalDetroit, MI · Acute Care Hospital · CCN 230053
- Henry Ford Health St John HospitalDetroit, MI · Acute Care Hospital · CCN 230165
- Henry Ford Health Warren HospitalWarren, MI · Acute Care Hospital · CCN 230195
- Henry Ford Macomb HospitalClinton Township, MI · Acute Care Hospital · CCN 230047
Practice locations
Addresses where Mary M. Yenchick is enrolled with Medicare (CMS data updated 2026-10-02).
- 17900 23 Mile RdMacomb, MI 48044 (313) 647‑3900
- 18303 E 10 Mile Rd, 500 St John Center for Wellness and Family MeRoseville, MI 48066 (586) 498‑5160
Group practices
Medicare enrollment lists Mary M. Yenchick as a member of these groups (CMS data updated 2026-10-02).
- Henry Ford Health St. John Hospital348 clinicians in the group
- Henry Ford Semi Medical Group240 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Macomb
Clinicians with the same Medicare primary specialty in Macomb, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649263047 |
| 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