R MARK PAPPAS, LLC
NPI 1821640368
Chiropractor in West Haven, CT

Q: What is R Mark Pappas, LLC's NPI number?

The NPI number for R Mark Pappas, LLC is 1821640368. It was assigned to this organization in the NPPES registry on July 15, 2019.

Q: What is R Mark Pappas, LLC's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Active since July 15, 2019

502 MAIN STREET, WEST HAVEN, CT 06516(203) 937-7246(203) 931-9266 Get Directions Write a Review

NPPES record last updated: July 30, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 30, 2019, Jul 15, 2019 (2 updates tracked since 2019).

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About R Mark Pappas, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

R MARK PAPPAS, LLC (NPI 1821640368) is a healthcare organization registered as a chiropractor in West Haven, Connecticut and active in the NPI registry since July 2019. The organization lists R Mark Pappas, Owner, as its authorized official.

NPPES Registry Identity

NPI1821640368

Entity TypeOrganization

Primary Taxonomy111N00000X

Legal Business NameR MARK PAPPAS, LLC

Location Address502 MAIN STREETWest Haven, CT 06516-7307

Mailing Address502 Main StreetWest Haven, CT 06516-7307 · (203) 937-7246 · Fax (203) 931-9266

Phone(203) 937-7246

Fax(203) 931-9266

Organization SubpartNo

Authorized OfficialR Mark PappasOwner · (203) 937-7246

Enumeration DateJuly 15, 2019

Last NPPES UpdateJuly 30, 20192 updates tracked since enumeration

✔ NPI 1821640368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

Definition

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

502 MAIN STREET, West Haven, CT 06516

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

R Mark Pappas, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to R Mark Pappas, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Roger Pappas, D.C.

Chiropractic

NPI 1992806475

299 MAIN ST
West Haven, CT 06516

(203) 937-7246

✔ Accepts Medicare0.5 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is R Mark Pappas, LLC's NPI number?

The NPI number for R Mark Pappas, LLC is 1821640368. It was assigned to this organization in the NPPES registry on July 15, 2019.

Where is R Mark Pappas, LLC located?

R Mark Pappas, LLC is located at 502 Main Street, West Haven, CT 06516. The listed phone number is (203) 937-7246.

What is R Mark Pappas, LLC's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is R Mark Pappas, LLC enrolled in Medicare?

Yes. R Mark Pappas, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through R Mark Pappas, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Chiropractic) reassigns their Medicare billing to R Mark Pappas, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for R Mark Pappas, LLC was last updated on July 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.