Quick answers
- Which hospitals does Holly Costello work at?
- Medicare's official clinician data lists Holly Costello at 1 hospital: Medical Center of McKinney. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Holly Costello see patients?
- Medicare's clinician data lists 2 practice locations, including McKinney, TX and Prosper, TX. Call before your visit to confirm the address.
- What is Holly Costello's specialty?
- Medicare lists Certified Nurse Midwife (CNM) as the primary specialty.
- Does Holly Costello accept Medicare assignment?
- Yes. Medicare's clinician data says Holly Costello 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 Holly Costello?
- (972) 542-8884, as listed in official Medicare / NPI Registry data.
- What is Holly Costello's NPI number?
- 1891256871. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Holly Costello works
Medicare's Facility Affiliation Data lists Holly Costello at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Medical Center of McKinneyMcKinney, TX · Acute Care Hospital · CCN 450403
Practice locations
Addresses where Holly Costello is enrolled with Medicare (CMS data updated 2026-10-02).
- 6609 Virginia PkwyMcKinney, TX 75071 (972) 542‑8884
- 821 N Coleman St, Suite 100Prosper, TX 75078 (855) 398‑5962
Group practices
Medicare enrollment lists Holly Costello as a member of this group (CMS data updated 2026-10-02).
- Unified Womens Healthcare of Texas PLLC183 clinicians in the group
Specialties
Find other clinicians: Certified Nurse Midwife (CNM), Texas →
Other nurse midwifes in McKinney
Clinicians with the same Medicare primary specialty in McKinney, TX — not a recommendation.
Clinician information
| Credential | CNM |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891256871 |
| 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