Doctor profile · Federal record

Dr. Keymal Williams, Pmhmp-BC

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Hampton, VA

  • NPI 1447975230
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
50 Kilverstone Way
Hampton, VA 236692366
(757) 567-3431

Credentials & registration

NPPES · NUCC
NPI registered
October 2022 — 4 yrs on file
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Virginia #0024185428

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447975230. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
45
Distinct HCPCS
2
Medicare allowed
$4,939
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 31 14 $86
90792 Psychiatric diagnostic evaluation with medical services 14 14 $163

In context: peer comparison

Among 5 peers in this city , average services per provider: 69. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$163
Transactions
8
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Alkermes, Inc. 2 $38.58
Lundbeck LLC 1 $24.82
Neurocrine Biosciences, Inc. 1 $23.84
IRONSHORE PHARMACEUTICALS INC. 1 $23.80
Teva Pharmaceuticals USA, Inc. 1 $20.98
Corium, LLC 1 $16.03
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $15.32

By nature of payment

Food and Beverage
$163

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
249
Patients
0
Total drug cost
$5,012
Drug Type Claims Patients Total cost
Sertraline Hcl Generic 49 0 $351
Quetiapine Fumarate Generic 37 0 $1,353
Trazodone Hcl Generic 28 0 $428
Oxcarbazepine Generic 23 0 $680
Clonazepam Generic 21 0 $179
Buspirone Hcl Generic 19 0 $159
Risperidone Generic 18 0 $146
Haloperidol Generic 17 0 $1,041
Escitalopram Oxalate Generic 13 0 $114
Benztropine Mesylate Generic 12 0 $155

Frequently asked questions

Auto-generated from federal data
What is Dr. Keymal Williams's medical specialty?
Dr. Keymal Williams practices Psychiatric/Mental Health Nurse Practitioner in Hampton, VA.
Where does Dr. Keymal Williams practice?
Dr. Keymal Williams practices at 50 Kilverstone Way, Hampton, VA 236692366. Office phone: 7575673431.
What is Dr. Keymal Williams's NPI?
Dr. Keymal Williams's National Provider Identifier (NPI) is 1447975230, issued by NPPES.
Does Dr. Keymal Williams accept Medicare assignment?
Yes. Dr. Keymal Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Keymal Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.