Lindsey Semprini, M.D.
Internal Medicine Physician · Riverhead, NY
Lindsey Semprini, M.D. is an internal medicine physician with a practice address in Riverhead, New York, and NPI 1639529696, issued on Jun 20, 2016. Check the license (New York 304065-01, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Lindsey Semprini
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 304065-01 NY
MT212106 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Roanoke Ave, Riverhead, NY 11901
- Phone
- (631) 548-6176
- Enumerated
- Jun 20, 2016
- Record last updated
- Oct 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (631) 548-6414
- Medicare enrollment
- Enrolled (PECOS I20201113002648); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 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 Lindsey Semprini 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 304065-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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).
Bills Medicare through one group practice
- Peconic Bay Primary Medical CareRiverhead, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lindsey Semprini among 12,067 internal medicine physician records in New York
Lindsey Semprini, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 77% of them.
- NPI issued2016 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2016 · median 2002 among the 7,221 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 internal medicine physician records list a practice address in Riverhead
They are 16 of the 982 NPPES records with a practice address in Riverhead, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Riverhead → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maria AzimRiverhead, NY 119011750969895
- Afzal ButtRiverhead, NY 119011083653794
- Eugenio Crisostomo, M.D.Riverhead, NY 119011225099625
- Maureen Crowley, MD, MPHRiverhead, NY 119011346324209
- Michael Dempsey, M.D.Riverhead, NY 119011770508079
- Marie-Jose Dorval-Dorcely, M.DRiverhead, NY 119011093894446
- Michael Ghiassi, DORiverhead, NY 119011255950440
- Laura Gilmartin, M.D.Riverhead, NY 119011134296247
Common questions
What is Lindsey Semprini, M.D.'s NPI number?
Lindsey Semprini, M.D.'s National Provider Identifier (NPI) is 1639529696, issued on Jun 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Lindsey Semprini, M.D. located?
The NPPES record lists a practice address at 1300 Roanoke Ave, Riverhead, NY, 11901. Phone: (631) 548-6176. Providers update this record themselves, so call before visiting.
How can I verify Lindsey Semprini, M.D.'s license?
NPPES lists New York license number 304065-01, 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.
What is Lindsey Semprini, 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.