What is David Berezny Jr's NPI number?

David Berezny Jr's National Provider Identifier (NPI) is 1609938851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is David Berezny Jr's specialty?

David Berezny Jr is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is David Berezny Jr located?

David Berezny Jr's practice location on file with NPPES is 185 Old Country Rd Ste 7, Riverhead, NY 11901-2121.

What is David Berezny Jr's phone number?

The practice phone number listed in the NPPES registry for David Berezny Jr is (631) 830-4065.

Does David Berezny Jr accept Medicare?

David Berezny Jr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is David Berezny Jr's NPI active?

Yes — David Berezny Jr's NPI (1609938851) is active in the NPPES registry as of the last update on 2023-03-27.

IndividualActiveAccepts Medicare

David Berezny Jr, RPA-C, MMS

NPI 1609938851 · Physician Assistant · Riverhead, NY

David Berezny Jr, RPA-C, MMS is a Physician Assistant provider in Riverhead, NY (NPI 1609938851).

Provider details

NPI number: 1609938851
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Credential: RPA-C, MMS
Sex: Male
Sole proprietor: Yes
License: 010257 (NY)

Practice location

185 Old Country Rd Ste 7

Riverhead, NY 11901-2121

Phone: (631) 830-4065

Fax: (631) 830-4256

Street-level locationGet directions

More NY providers

Mailing address

680 Westview Dr

Mattituck, NY 11952-2946

Specialties & taxonomies

Physician AssistantPrimary363A00000XLicense 010257 (NY)
Physician Assistants & Advanced Practice Nursing Providers

Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(94/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
19 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
1,191 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	624	$124
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	108	$88
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	100	$16
Annual Depression Screening, 5 to 15 MinutesG0444	71	$18
Annual, Face-To-Face Intensive Behavioral Therapy for Cardiovascular Disease, Individual, 15 MinutesG0446	70	$24
Annual Alcohol Misuse Screening, 5 to 15 Minutes

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Gabapentin	88	16
Rosuvastatin Calcium	84	21
Amlodipine Besylate	82	21
Metoprolol Succinate	80	20
Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen	77	—
Atorvastatin Calcium	63	18
Lisinopril

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$94 across 5 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2006-12-14
Last updated: 2023-03-27
Certified: 2023-03-27

Frequently asked questions

What is David Berezny Jr's NPI number?: David Berezny Jr's National Provider Identifier (NPI) is 1609938851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is David Berezny Jr's specialty?: David Berezny Jr is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
Where is David Berezny Jr located?: David Berezny Jr's practice location on file with NPPES is 185 Old Country Rd Ste 7, Riverhead, NY 11901-2121.
What is David Berezny Jr's phone number?: The practice phone number listed in the NPPES registry for David Berezny Jr is (631) 830-4065.
Does David Berezny Jr accept Medicare?: David Berezny Jr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is David Berezny Jr's NPI active?: Yes — David Berezny Jr's NPI (1609938851) is active in the NPPES registry as of the last update on 2023-03-27.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	624	$124
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	108	$88
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	100	$16
Annual Depression Screening, 5 to 15 MinutesG0444	71	$18
Annual, Face-To-Face Intensive Behavioral Therapy for Cardiovascular Disease, Individual, 15 MinutesG0446	70	$24
Annual Alcohol Misuse Screening, 5 to 15 Minutes