Doctor profile · Federal record

Dr. William Sullivan, MD

Psychiatry Physician (CMS: Psychiatry) · Sierra Vista, AZ

  • NPI 1154483477
  • Accepts Medicare
  • MIPS 78.9 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5100 E Highway 90, Suite B
Sierra Vista, AZ 856352443
(520) 417-9729
fax (520) 417-9733

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
June 6, 2023
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Arizona #MD 22176

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154483477. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
454
Distinct HCPCS
3
Medicare allowed
$39,218
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 283 92 $88
99214 Established patient office or other outpatient visit, 30-39 minutes 91 39 $118
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 80 17 $47

In context: peer comparison

Among 2 peers in Sierra Vista Psychiatry Physician, average services per provider: 187. This provider delivers 2.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$118
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Axsome Therapeutics, INC. 1 $118.41

By nature of payment

Food and Beverage
$118

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,469
Patients
242
Total drug cost
$28,101
Drug Type Claims Patients Total cost
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 210 26 $5,644
Bupropion Hcl SR (Bupropion Hcl) Brand 186 36 $3,966
Alprazolam Generic 165 23 $1,227
Quetiapine Fumarate Generic 125 20 $4,467
Trazodone Hcl Generic 95 30 $2,182
Lorazepam Generic 94 15 $1,356
Fluoxetine Hcl Generic 86 15 $743
Clonazepam Generic 82 16 $1,046
Duloxetine Hcl Generic 77 16 $2,107
Olanzapine Generic 70 16 $1,703

Frequently asked questions

Auto-generated from federal data
What is Dr. William Sullivan's medical specialty?
Dr. William Sullivan practices Psychiatry Physician in Sierra Vista, AZ.
Where does Dr. William Sullivan practice?
Dr. William Sullivan practices at 5100 E Highway 90, Sierra Vista, AZ 856352443. Office phone: 5204179729.
What is Dr. William Sullivan's NPI?
Dr. William Sullivan's National Provider Identifier (NPI) is 1154483477, issued by NPPES.
Does Dr. William Sullivan accept Medicare assignment?
Yes. Dr. William Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.