Doctor profile · Federal record

Dr. David Berezny JR, RPA-C, MMS

Physician Assistant · Riverhead, NY

  • NPI 1609938851
  • Accepts Medicare
  • 22 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
185 Old Country RD Ste 7
Riverhead, NY 119012121
(631) 830-4065
fax (631) 830-4256
Mailing address
680 Westview Dr
Mattituck, NY 119522946

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
March 27, 2023
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
New York #010257

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609938851. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,113
Distinct HCPCS
10
Medicare allowed
$97,974
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 544 67 $126
36415 Insertion of needle into vein for collection of blood sample 106 55 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 100 55 $90
G0442 Annual alcohol misuse screening, 5 to 15 minutes 66 66 $18
G0444 Annual depression screening, 5 to 15 minutes 66 66 $18
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes 65 65 $26
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 60 60 $127
99497 Advance care planning, first 30 minutes 51 50 $81
97535 Training for self-care or home management, each 15 minutes 26 20 $32
99215 Established patient office or other outpatient visit, 40-54 minutes 15 12 $176

In context: peer comparison

Among 14 peers in this city , average services per provider: 102. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$94
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 4 $64.77
Exact Sciences Corporation 1 $29.51

By nature of payment

Food and Beverage
$94

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
875
Patients
149
Total drug cost
$77,066
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 102 21 $1,639
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 82 0 $3,690
Rosuvastatin Calcium Generic 82 17 $1,310
Amlodipine Besylate Generic 72 17 $384
Lisinopril Generic 72 16 $932
Atorvastatin Calcium Generic 66 20 $969
Levothyroxine Sodium Generic 61 13 $782
Levocetirizine Dihydrochloride Generic 56 19 $1,104
Gabapentin Generic 55 14 $929
Pantoprazole Sodium Generic 44 12 $466

Frequently asked questions

Auto-generated from federal data
What is Dr. David Berezny JR's medical specialty?
Dr. David Berezny JR practices Physician Assistant in Riverhead, NY.
Where does Dr. David Berezny JR practice?
Dr. David Berezny JR practices at 185 Old Country RD Ste 7, Riverhead, NY 119012121. Office phone: 6318304065.
What is Dr. David Berezny JR's NPI?
Dr. David Berezny JR's National Provider Identifier (NPI) is 1609938851, issued by NPPES.
Does Dr. David Berezny JR accept Medicare assignment?
Yes. Dr. David Berezny JR accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Berezny JR commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.