Quick answers
- Which hospitals does Lydia Sims work at?
- Medicare's official clinician data lists Lydia Sims at 1 hospital: Houston Methodist Willowbrook Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lydia Sims see patients?
- Medicare's clinician data lists 2 practice locations, including Houston, TX. Call before your visit to confirm the address.
- What is Lydia Sims's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Lydia Sims accept Medicare assignment?
- Yes. Medicare's clinician data says Lydia Sims 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 Lydia Sims?
- (864) 720-1988, as listed in official Medicare / NPI Registry data.
- What is Lydia Sims's NPI number?
- 1295722643. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lydia Sims works
Medicare's Facility Affiliation Data lists Lydia Sims at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Houston Methodist Willowbrook HospitalHouston, TX · Acute Care Hospital · CCN 450844
Practice locations
Addresses where Lydia Sims is enrolled with Medicare (CMS data updated 2026-10-02).
- 18220 State Hwy 249Houston, TX 77070 (864) 720‑1988
- 7600 Beechnut StHouston, TX 77074 (713) 456‑5000
Group practices
Medicare enrollment lists Lydia Sims as a member of this group (CMS data updated 2026-10-02).
- Obhg Texas Holdings PA176 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 1984 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295722643 |
| 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