Doctor profile · Federal record

Dr. William Sommo, M.D.

Emergency Medicine Physician · Riverhead, NY

  • NPI 1578591491
  • MIPS 85.0 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1300 Roanoke Ave
Riverhead, NY 119012031
(631) 548-6424
Mailing address
Po Box 1559
Stony Brook, NY 117900989

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207P00000X — NUCC code
State license (1)
New York #160570
Medicaid
NY #01697438

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578591491. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
790
Distinct HCPCS
3
Medicare allowed
$145,990
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 555 525 $206
99284 Emergency department visit with moderate level of medical decision making 207 202 $141
99283 Emergency department visit with low level of medical decision making 28 24 $85

In context: peer comparison

Among 2 peers in Riverhead Emergency Medicine Physician, average services per provider: 143. This provider delivers 5.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
77
Patients
77
Total drug cost
$717
Drug Type Claims Patients Total cost
Cephalexin Generic 23 23 $313
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 21 21 $66
Diclofenac Sodium Generic 11 11 $63
Doxycycline Hyclate Generic 11 11 $246
Prednisone Generic 11 11 $29

Frequently asked questions

Auto-generated from federal data
What is Dr. William Sommo's medical specialty?
Dr. William Sommo practices Emergency Medicine Physician in Riverhead, NY.
Where does Dr. William Sommo practice?
Dr. William Sommo practices at 1300 Roanoke Ave, Riverhead, NY 119012031. Office phone: 6315486424.
What is Dr. William Sommo's NPI?
Dr. William Sommo's National Provider Identifier (NPI) is 1578591491, issued by NPPES.
What procedures does Dr. William Sommo commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.