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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CKM MEDICAL PLLC
NPI 1801540919
Clinic/Center - Multi-Specialty in New York, NY

Active since February 08, 2022CLIA Certified · 3 labs
110 E 60TH ST RM 802, NEW YORK, NY 10022(646) 760-3256(646) 974-9714 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ckm Medical Pllc NPPES

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

CKM MEDICAL PLLC (NPI 1801540919), doing business as Well By Messer, is a healthcare organization registered as a multi-specialty in New York, New York and active in the NPI registry since February 2022. The organization holds 3 active CLIA laboratory certificates, maintains 3 additional practice locations, and lists Caroline Messer, Owner, as its authorized official.

NPPES Registry Identity

NPI1801540919
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NameCKM MEDICAL PLLC
Location Address110 E 60TH ST RM 802New York, NY 10022-1795
Mailing Address110 E 60th St Rm 802New York, NY 10022-1795 · (646) 760-3256 · Fax (646) 974-9714
Phone(646) 760-3256
Fax(646) 974-9714
Organization SubpartNo
Authorized OfficialCaroline MesserOwner · (646) 760-3256
Enumeration DateFebruary 8, 2022
Last NPPES UpdateJune 11, 2026
NPPES CertifiedJune 11, 2026
✔ NPI 1801540919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
110 E 60TH ST RM 802, New York, NY 10022
Open in Google Maps ↗

Other Names 1

Doing Business AsWell By Messer

Secondary Practice Locations 3

Location 1500 W Putnam Ave Ste 435Greenwich, CT 06830-6000 · Phone (475) 335-8692 · Fax (475) 328-4088
Location 2115 Central Park W Ofc 15New York, NY 10023-4198 · Phone (646) 809-7211 · Fax (646) 974-9714
Location 31010 Northern Blvd Ste 102Great Neck, NY 11021-5306 · Phone (516) 985-2196 · Fax (516) 407-5315

CLIA Laboratory Certificates CMS CLIA 3

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 33D2334770

Ckm Medical PLLC Dba Well By Messer · Great Neck, NY
Active · expires Dec 1, 2027
CLIA Number33D2334770
Laboratory TypePhysician Office
Certificate Effective DateDecember 2, 2025
Certificate Expiration DateDecember 1, 2027
Laboratory DirectorDr. Caroline Messer
Laboratory Phone(516) 985-2196
Laboratory LocationCkm Medical PLLC Dba Well By Messer1010 Northern Boulevard, Suite 102, Great Neck, NY 11021
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 07D2318725

Ckm Medical PLLC Dba Well By Messer · Greenwich, CT
Active · expires Feb 17, 2027
CLIA Number07D2318725
Laboratory TypePhysician Office
Certificate Effective DateFebruary 18, 2025
Certificate Expiration DateFebruary 17, 2027
Laboratory DirectorCaroline K. Messer
Laboratory Phone(475) 335-8692
Laboratory LocationCkm Medical PLLC Dba Well By Messer500 West Putnam Ave Suite 435, Greenwich, CT 06830
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 33D2319273

Ckm Medical PLLC Dba Well By Messer · New York, NY
Active · expires Feb 25, 2027
CLIA Number33D2319273
Laboratory TypePhysician Office
Certificate Effective DateFebruary 26, 2025
Certificate Expiration DateFebruary 25, 2027
Laboratory DirectorDr. Caroline K. Messer
Laboratory Phone(646) 917-7597
Laboratory LocationCkm Medical PLLC Dba Well By Messer115 Central Park West Suite 15, New York, NY 10023
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CAROLINE KORSTEN MESSER MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
110 E 60TH ST RM 802
NEW YORK, NY 10022
New York County (646) 760-3256
DR. ANDREW G MOAWAD MD
Internal Medicine
110 E 60TH ST RM 802
NEW YORK, NY 10022
New York County (646) 760-3256

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 Ckm Medical PLLC's NPI number?

The NPI number for Ckm Medical PLLC is 1801540919. It was assigned to this organization in the NPPES registry on February 8, 2022. The provider is doing business as Well by Messer.

Where is Ckm Medical PLLC located?

Ckm Medical PLLC is located at 110 E 60th St Rm 802, New York, NY 10022. The listed phone number is (646) 760-3256.

What is Ckm Medical PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Does Ckm Medical PLLC hold CLIA laboratory certificates?

Yes. 3 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Ckm Medical PLLC was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 days 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.