1. Home
  2. Directory
  3. Connecticut
  4. Mystic
  5. Internal Medicine
  6. NPI Profile

DAVID SCHWINDT LLC
NPI 1164441101
Internal Medicine - Adolescent Medicine in Mystic, CT

Active since July 19, 2006CLIA 07D1061991 · Waiver
23 CLARA DRIVE, SUITE 204, MYSTIC, CT 06355(860) 572-0010(860) 536-2799 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About David Schwindt Llc NPPES

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

DAVID SCHWINDT LLC (NPI 1164441101) is a healthcare organization registered as an adolescent medicine in Mystic, Connecticut and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through December 3, 2026 and lists David Schwindt, Owner Provider, as its authorized official.

NPPES Registry Identity

NPI1164441101
Entity TypeOrganization
Primary Taxonomy207RA0000X
Legal Business NameDAVID SCHWINDT LLC
Location Address23 CLARA DRIVE, SUITE 204Mystic, CT 06355
Mailing Address23 Clara Drive, Suite 204Mystic, CT 06355 · (860) 572-0010 · Fax (860) 536-2799
Phone(860) 572-0010
Fax(860) 536-2799
Organization SubpartNo
Authorized OfficialDavid SchwindtOwner Provider · 86057200010
Enumeration DateJuly 19, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1164441101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0000X
Licenses✔ Licensed in CT · 0471821✔ Licensed in RI · MD11245
Definition
An internist who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
23 CLARA DRIVE, Mystic, CT 06355
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

David Schwindt 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 David Schwindt LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

David Schwindt
Internal Medicine
NPI 1366489536
23 CLARA DRIVE STE 204
Mystic, CT 06355
(860) 572-0010
✔ PECOS✔ Accepts MedicareSame address

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 07D1061991

David Schwindt, MD, LLC · Mystic, CT
Active · expires Dec 3, 2026
CLIA Number07D1061991
Laboratory TypePhysician Office
Certificate Effective DateDecember 4, 2024
Certificate Expiration DateDecember 3, 2026
Laboratory DirectorDavid A. Schwindt, MD
Laboratory Phone(860) 572-0010
Laboratory LocationDavid Schwindt, MD, LLC23 Clara Drive Mystic Medical Center, Mystic, CT 06355
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 David Schwindt LLC's NPI number?

The NPI number for David Schwindt LLC is 1164441101. It was assigned to this organization in the NPPES registry on July 19, 2006.

Where is David Schwindt LLC located?

David Schwindt LLC is located at 23 Clara Drive Suite 204, Mystic, CT 06355. The listed phone number is (860) 572-0010.

What is David Schwindt LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Adolescent Medicine, with taxonomy code 207RA0000X.

Is David Schwindt LLC enrolled in Medicare?

Yes. David Schwindt LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through David Schwindt LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to David Schwindt 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.

Does David Schwindt LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 07D1061991) is associated with this NPI, valid through December 3, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for David Schwindt LLC was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.