Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Mr. David Richard Berezny Jr Jr., RPA-C, MMS

Individual provider Physician Assistant · NPI 1609938851

Mr. David Richard Berezny Jr Jr., RPA-C, MMS is a Physician Assistant in Riverhead, New York. Qualified in 2004, 22 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New York.

Years since qualifying
22
Licensed in
NY
In the registry since
2006
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Practice location Address checks out

185 Old Country Rd Ste 7
Riverhead, NY 11901-2121
Phone: (631) 830-4065
Fax: (631) 830-4256
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 010257 (NY)

Record details

NPI number1609938851
Entity typeIndividual (Type 1)
GenderMale
Credentials RPA-C , MMS
Sole proprietorYes
NPI enumeratedDecember 14, 2006
Last updated in NPPESMarch 27, 2023
Certification dateMarch 27, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients76
Services billed 1,283 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

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