William Sommo, M.D.
Emergency Medicine Physician · Riverhead, NY
William Sommo, M.D. is an emergency medicine physician with a practice address in Riverhead, New York, and NPI 1578591491, issued on Jun 29, 2006. Check the license (New York 160570, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Sommo
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 160570 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Roanoke Ave, Riverhead, NY 11901
- Phone
- (631) 548-6424
- Enumerated
- Jun 29, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 01697438 NY
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 1300 Roanoke Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Sommo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 160570Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average emergency medicine physician in 2024
103 Medicare Part D claims for 68 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass12 claims
- Cephalexin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
William Sommo among 5,025 emergency medicine physician records in New York
William Sommo, M.D. is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 72% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 emergency medicine physician records list a practice address in Riverhead
They are 10 of the 982 NPPES records with a practice address in Riverhead, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Riverhead → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Matthew Austen, M.D.Riverhead, NY 119011336586676
- Miriam BelloRiverhead, NY 119011578145538
- Gregory Capece, DORiverhead, NY 119011497103840
- Ahmed Chaudhry, D.O.Riverhead, NY 119011073541389
- Dong Choe, M.D.Riverhead, NY 119011033452735
- Nanette Matos, MDRiverhead, NY 119011912584384
- Patricia Napolitano, P.A.Riverhead, NY 119011780653329
- Artur Schander, D.O./PH.D.Riverhead, NY 119011528472446
Common questions
What is William Sommo, M.D.'s NPI number?
William Sommo, M.D.'s National Provider Identifier (NPI) is 1578591491, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Sommo, M.D. located?
The NPPES record lists a practice address at 1300 Roanoke Ave, Riverhead, NY, 11901. Phone: (631) 548-6424. Providers update this record themselves, so call before visiting.
How can I verify William Sommo, M.D.'s license?
NPPES lists New York license number 160570, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Sommo, M.D. prescribe under Medicare Part D?
In 2024, William Sommo, M.D. had 103 Medicare Part D claims for 68 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is William Sommo, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.