What is Peconic Surgical Group, PC's NPI number?

Peconic Surgical Group, PC's National Provider Identifier (NPI) is 1811187214, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Peconic Surgical Group, PC?

Peconic Surgical Group, PC is classified in the NPPES registry as Specialist (Other Service Providers).

Where is Peconic Surgical Group, PC located?

Peconic Surgical Group, PC's practice location on file with NPPES is 31 Main Rd, Riverhead, NY 11901-1953.

What is Peconic Surgical Group, PC's phone number?

The practice phone number listed in the NPPES registry for Peconic Surgical Group, PC is (631) 369-8539.

Who is the authorized official for Peconic Surgical Group, PC?

The authorized official listed on Peconic Surgical Group, PC's NPPES record is Leslaw Gredysa, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Peconic Surgical Group, PC's NPI active?

Yes — Peconic Surgical Group, PC's NPI (1811187214) is active in the NPPES registry as of the last update on 2007-11-14.

OrganizationActive

Peconic Surgical Group, PC

NPI 1811187214 · Specialist · Riverhead, NY

Peconic Surgical Group, PC is a Specialist organization in Riverhead, NY (NPI 1811187214).

Provider details

NPI number: 1811187214
Entity type: Organization
Primary specialty: SpecialistOther Service Providers
Organization subpart: No
Authorized official: Leslaw Gredysa, President(631) 369-8539
License: 175169 (NY)

Practice location

31 Main Rd

Suite 2

Riverhead, NY 11901-1953

Phone: (631) 369-8539

Fax: (631) 369-5613

Approximate (ZIP-level) locationGet directions

More NY providers

Mailing address

31 Main Rd

Riverhead, NY 11901-1953

Specialties & taxonomies

SpecialistPrimary174400000XLicense 175169 (NY)
Other Service Providers

Profile Score

Detailed profile(89/100 index)

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

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

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.

Enumerated: 2007-07-31
Last updated: 2007-11-14

Frequently asked questions

What is Peconic Surgical Group, PC's NPI number?: Peconic Surgical Group, PC's National Provider Identifier (NPI) is 1811187214, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Peconic Surgical Group, PC?: Peconic Surgical Group, PC is classified in the NPPES registry as Specialist (Other Service Providers).
Where is Peconic Surgical Group, PC located?: Peconic Surgical Group, PC's practice location on file with NPPES is 31 Main Rd, Riverhead, NY 11901-1953.
What is Peconic Surgical Group, PC's phone number?: The practice phone number listed in the NPPES registry for Peconic Surgical Group, PC is (631) 369-8539.
Who is the authorized official for Peconic Surgical Group, PC?: The authorized official listed on Peconic Surgical Group, PC's NPPES record is Leslaw Gredysa, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Peconic Surgical Group, PC's NPI active?: Yes — Peconic Surgical Group, PC's NPI (1811187214) is active in the NPPES registry as of the last update on 2007-11-14.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions