Doctor profile · Federal record

Dr. William Greene, MD

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Gainesville, FL

  • NPI 1821188020
  • Accepts Medicare
  • MIPS 78.2 / 100 · 2023
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1600 Sw Archer RD, #100371
Gainesville, FL 326103001
(352) 265-0301

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
February 20, 2017
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Florida #ME97539 · Florida #TRN7301
Medicaid
FL #279170600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821188020. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
313
Distinct HCPCS
3
Medicare allowed
$36,671
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 281 181 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 21 15 $79
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $89

In context: peer comparison

Among 21 peers in Gainesville Psychiatry Physician, average services per provider: 113. This provider delivers 2.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
483
Patients
103
Total drug cost
$26,050
Drug Type Claims Patients Total cost
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 68 12 $11,319
Gabapentin Generic 53 0 $1,361
Quetiapine Fumarate Generic 50 12 $1,164
Duloxetine Hcl Generic 49 15 $3,291
Trazodone Hcl Generic 38 16 $375
Clonazepam Generic 31 14 $223
Hydroxyzine Hcl Generic 28 12 $2,231
Bupropion Xl (Bupropion Hcl) Brand 24 0 $660
Buspirone Hcl Generic 23 11 $794
Mirtazapine Generic 22 11 $764

Frequently asked questions

Auto-generated from federal data
What is Dr. William Greene's medical specialty?
Dr. William Greene practices Psychiatry Physician in Gainesville, FL.
Where does Dr. William Greene practice?
Dr. William Greene practices at 1600 Sw Archer RD, Gainesville, FL 326103001. Office phone: 3522650301.
What is Dr. William Greene's NPI?
Dr. William Greene's National Provider Identifier (NPI) is 1821188020, issued by NPPES.
Does Dr. William Greene accept Medicare assignment?
Yes. Dr. William Greene accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Greene commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.