John Impellizeri, D.O
Internal Medicine Physician · Mattituck, NY
John Impellizeri, D.O is an internal medicine physician with a practice address in Mattituck, New York, and NPI 1669466363, issued on Sep 8, 2005. Check the license (New York 224524, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Impellizeri
- Credential
- D.O
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 224524 NY
Self-reported in NPPES; status is on the state search - Practice location
- 13400 Main RD, Mattituck, NY 11952
- Phone
- (631) 298-4008
- Enumerated
- Sep 8, 2005
- Record last updated
- Nov 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (631) 298-5969
- Medicaid ID
- 02444824 NY
- Medicare enrollment
- Enrolled (PECOS I20091204000276); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 1999
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify John Impellizeri 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 224524Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average internal medicine physician in 2024
4,389 Medicare Part D claims for 661 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 96 claims were for opioids.
Most prescribed
- Atorvastatin Calcium375 claims
- Amlodipine Besylate228 claims
- Losartan Potassium190 claims
- Rosuvastatin Calcium184 claims
- Levothyroxine Sodium140 claims
- Metformin Hcl136 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupBonita, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Impellizeri among 12,067 internal medicine physician records in New York
John Impellizeri, D.O 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1999 · median 2002 among the 7,221 with a school on file
- Record last updated2021 · 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).
2 internal medicine physician records list a practice address in Mattituck
They are 2 of the 98 NPPES records with a practice address in Mattituck, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Mattituck → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Katie Owens, D.O.Mattituck, NY 119521427284892
- Igor Gutnik, M.D.Middle Island, NY 119531073684726
- Michael Rodriguez, MDMiddle Island, NY 119531316915523
- Donald Marrone, M.D.Montauk, NY 119541326251927
- David Stark, M.D.Montauk, NY 119541194847665
- Fang Chen, MDManorville, NY 119491255455689
- Mark Coronel, MDManorville, NY 119491346416963
- Julie Bates, MDHampton Bays, NY 119461235205972
Common questions
What is John Impellizeri, D.O's NPI number?
John Impellizeri, D.O's National Provider Identifier (NPI) is 1669466363, issued on Sep 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Impellizeri, D.O located?
The NPPES record lists a practice address at 13400 Main RD, Mattituck, NY, 11952. Phone: (631) 298-4008. Providers update this record themselves, so call before visiting.
How can I verify John Impellizeri, D.O's license?
NPPES lists New York license number 224524, 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 John Impellizeri, D.O prescribe under Medicare Part D?
In 2024, John Impellizeri, D.O had 4,389 Medicare Part D claims for 661 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.