Quick answers
- Which hospitals does Jennifer D. St. John work at?
- Medicare's official clinician data lists Jennifer D. St. John at 1 hospital: Baylor Scott and White Medical Center McKinney. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jennifer D. St. John see patients?
- Medicare's clinician data lists 5 practice locations, including Dallas, TX, McKinney, TX and Prosper, TX. Call before your visit to confirm the address.
- What is Jennifer D. St. John's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Jennifer D. St. John accept Medicare assignment?
- Yes. Medicare's clinician data says Jennifer D. St. John 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 Jennifer D. St. John offer telehealth?
- Medicare's clinician data says Jennifer D. St. John offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jennifer D. St. John?
- (469) 800-5400, as listed in official Medicare / NPI Registry data.
- What is Jennifer D. St. John's NPI number?
- 1861789828. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jennifer D. St. John works
Medicare's Facility Affiliation Data lists Jennifer D. St. John at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baylor Scott and White Medical Center McKinneyMcKinney, TX · Acute Care Hospital · CCN 670082
Practice locations
Addresses where Jennifer D. St. John is enrolled with Medicare (CMS data updated 2026-10-02).
- 4001 Worth StDallas, TX 75246
- 5236 W University Dr, 2200 Endocrinolog Specialists of McKinneMcKinney, TX 75071 (469) 800‑5400
- 5236 W University Dr, Suite 1500McKinney, TX 75071 (469) 800‑5100
- 5252 W University DrMcKinney, TX 75071 (469) 764‑6950
- 821 N Coleman St, Suite 100Prosper, TX 75078 (469) 800‑5200
Group practices
Medicare enrollment lists Jennifer D. St. John as a member of this group (CMS data updated 2026-10-02).
- Healthtexas Provider Network2,697 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Dallas
Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1861789828 |
| 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