Mechelle Elaine Williams, ACNP
NPI 1598986150ActiveIndividual· Nurse Practitioner, Acute Care· Sugar Land, TX
Nurse Practitioner, Acute Care (ACNP) with Collaborative Geriatrics Inc, practicing in Sugar Land, Texas. 159 Medicare patients in 2024, $142,950 paid; nearly all of their 3,025 Part D prescriptions were generic (94%).
Overview
| NPI | 1598986150 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ACNP |
| Sole proprietor | No |
| NPI issued | May 1, 2007 |
| Last updated in NPPES | Sep 8, 2026 |
| Certified by provider | Sep 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 597495 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 159 |
|---|---|
| Services billed | 1,650 across 18 procedure codes |
| Paid by Medicare | $142,950 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,025 · 3,290 30-day fills |
|---|---|
| Patients | 174 |
| Total drug cost | $174,218 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Collaborative Geriatrics IncKaty, TX · 46 clinicians
Other facilities
- Accentcare Home Health of TexasHome health agency · Galveston, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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