Doctor profile · Federal record

Dr. Ana Williams, NP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Mesa, AZ

  • NPI 1548741812
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
460 N Mesa Dr
Mesa, AZ 852015973
(480) 831-7566
Mailing address
929 N Val Vista Dr
Gilbert, AZ 852343706

Credentials & registration

NPPES · NUCC
NPI registered
August 2018 — 8 yrs on file
Profile last updated
October 31, 2022
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Arizona #AP11657

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548741812. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
106
Distinct HCPCS
2
Medicare allowed
$8,858
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 78 24 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 28 16 $93

In context: peer comparison

Among 15 peers in Mesa Psychiatric/Mental Health Nurse Practitioner, average services per provider: 74. This provider delivers 1.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,705
Transactions
62
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, INC. 22 $726.36
Alkermes, INC. 15 $363.19
Abbvie INC. 8 $219.75
Janssen Pharmaceuticals, INC 2 $171.47
Indivior INC. 11 $157.59
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 2 $33.89
Otsuka America Pharmaceutical, INC. 1 $17.26
E.R. Squibb & Sons, L.L.C. 1 $15.85

By nature of payment

Food and Beverage
$1,594
Education
$111

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,269
Patients
197
Total drug cost
$61,597
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 284 37 $3,940
Quetiapine Fumarate Generic 255 19 $7,047
Buspirone Hcl Generic 246 21 $3,983
Mirtazapine Generic 194 13 $2,978
Benztropine Mesylate Generic 180 19 $2,531
Clozapine Generic 167 0 $15,770
Fluoxetine Hcl Generic 162 13 $1,926
Duloxetine Hcl Generic 132 13 $2,997
Lamotrigine Generic 102 17 $1,372
Gabapentin Generic 99 18 $3,500

Frequently asked questions

Auto-generated from federal data
What is Dr. Ana Williams's medical specialty?
Dr. Ana Williams practices Psychiatric/Mental Health Nurse Practitioner in Mesa, AZ.
Where does Dr. Ana Williams practice?
Dr. Ana Williams practices at 460 N Mesa Dr, Mesa, AZ 852015973. Office phone: 4808317566.
What is Dr. Ana Williams's NPI?
Dr. Ana Williams's National Provider Identifier (NPI) is 1548741812, issued by NPPES.
Does Dr. Ana Williams accept Medicare assignment?
Yes. Dr. Ana Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ana Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.