NICHOLAS STEPHEN KARTER M.D.
NPI 1023371549
Otolaryngology - Otolaryngology/Facial Plastic Surgery in Glastonbury, CT

Active since June 19, 2012PECOS Enrolled
73.24/100
CMS Quality Rating
120 HEBRON AVE, GLASTONBURY, CT 06033(860) 775-5595 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 3, 2026, Mar 6, 2025, Nov 6, 2018 and 3 more (6 updates tracked since 2017).

About Nicholas Stephen Karter M.d. NPPES

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

NICHOLAS STEPHEN KARTER M.D. (NPI 1023371549) is an individual otolaryngology/facial plastic surgery provider in Glastonbury, Connecticut, licensed in Connecticut (60345) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023371549
Entity TypeIndividualMale
Primary Taxonomy207YX0905X
Provider Legal NameNICHOLAS STEPHEN KARTERCredential: M.D.
Location Address120 HEBRON AVEGlastonbury, CT 06033-2096
Mailing Address120 Hebron Ave Ste 2aGlastonbury, CT 06033-2096 · (860) 775-5595 · Fax (860) 760-6056
Sole ProprietorNo
Enumeration DateJune 19, 2012
Last NPPES UpdateSeptember 3, 20266 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2026
✔ NPI 1023371549 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngology · Otolaryngology/Facial Plastic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207YX0905X
License✔ Licensed in CT · 60345
Definition
An otolaryngologist who specializes in the diagnosis and surgical treatment of head and neck conditions.
Also ListedOtolaryngologyTaxonomy 207Y00000X · License 60345 (CT)
120 HEBRON AVE, Glastonbury, CT 06033

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nicholas Stephen Karter M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Nicholas Karter reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Otolaryngology
988 SILAS DEANE HWY
Wethersfield, CT 06109
  • Reassigned Medicare billing, Connecticut enrollment
  • 21 clinicians in this Medicare group
Surgery
80 SEYMOUR ST, HARTFORD HOSPITAL PROFESSIONAL SERVICES
Hartford, CT 06102
  • Reassigned Medicare billing, Connecticut enrollment
  • Also billed through NPI 1770696643 (Connecticut)
  • 1,333 clinicians in this Medicare group
Hospitalist
100 GRAND ST
New Britain, CT 06052
  • Reassigned Medicare billing, Connecticut enrollment
  • 745 clinicians in this Medicare group

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.24/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality55.73
Promoting Interoperability55
Improvement Activities40
Cost92.56

Other Providers at the Same Location NPPES

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

Otolaryngology (Facial Plastic Surgery)
120 HEBRON AVE
GLASTONBURY, CT 06033

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 Nicholas Karter's NPI number?

The NPI number for Nicholas Karter is 1023371549. It was assigned to this individual provider in the NPPES registry on June 19, 2012.

Where is Nicholas Karter located?

Nicholas Karter practices at 120 Hebron Ave, Glastonbury, CT 06033. The listed phone number is (860) 775-5595.

What is Nicholas Karter's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otolaryngology/Facial Plastic Surgery, with taxonomy code 207YX0905X.

Is Nicholas Karter enrolled in Medicare?

Yes. Nicholas Karter is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nicholas Karter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Karter reassigns Medicare benefits to 3 organizations: Connecticut Ear, Nose & Throat Associates, P.C. (Wethersfield, CT), Hartford Hospital (Hartford, CT) and The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT). Each 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 Nicholas Karter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nicholas Karter was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.