Michelle D. Williams, CRNP-PMH
NPI 1912151531ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Columbia, MD
Nurse Practitioner, Psych/Mental Health (CRNP-PMH) with Joshi and Merchant, Md,pa, practicing in Columbia, Maryland. Their prescriptions cost Medicare Part D more than their services did: $1,196,720 for 3,810 claims, against $48,895 paid for services in 2024. Axsome Therapeutics, Inc. was the largest of 32 companies reporting payments in 2025, $28,963 in all, mostly honoraria.
Overview
| NPI | 1912151531 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP-PMH |
| Sole proprietor | No |
| NPI issued | Nov 10, 2008 |
| Last updated in NPPES | Jul 16, 2024 |
| Certified by provider | Jul 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | R138966 | MD |
| Registered Nurse, Psych/Mental Health, Adult | 163WP0809X | R138966 | MD |
| Registered Nurse, Psych/Mental Health | 163WP0808X | R138966 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 211 |
|---|---|
| Services billed | 919 across 4 procedure codes |
| Paid by Medicare | $48,895 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,810 · 6,373 30-day fills |
|---|---|
| Patients | 235 |
| Total drug cost | $1,196,720 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Joshi and Merchant, Md,paColumbia, MD · 9 clinicians
Industry payments (Open Payments)
- 2025$28,963 · 281 payments from 32 companies
- 2024$34,837 · 346 payments from 30 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $13,339 | 41 |
| Otsuka America Pharmaceutical, Inc. | $6,148 | 11 |
| Abbvie Inc. | $5,058 | 27 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $467.40 | 23 |
| Lundbeck LLC | $422.39 | 25 |
What the 2025 payments were for
- Honoraria$12,027 · 8 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$10,104 · 8 payments
- Food and Beverage$6,153 · 253 payments
- Travel and Lodging$567.22 · 11 payments
- Education$111.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other psychiatric nurse practitioners in Columbia
- 1003423385
- 1023621174
- 1053087106
- 1073228151
- 1184377855
- 1225535206
- 1245884733
- 1255050019
- 1386157857
- 1497015283
- 1558864157
- 1578327409
All 149 psychiatric nurse practitioners in Columbia · All psychiatric nurse practitioners in Maryland