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NINA RUTH HOROWITZ M.D.
NPI 1861583783
Surgery in New Haven, CT

Active since September 27, 2006PECOS Enrolled
46 PRINCE ST, SUITE 301, NEW HAVEN, CT 06519(203) 562-3577(203) 782-6864 Get Directions Write a Review

NPPES record last updated: January 16, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Nina Ruth Horowitz M.d. NPPES

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

NINA RUTH HOROWITZ M.D. (NPI 1861583783) is an individual surgery provider in New Haven, Connecticut, licensed in Connecticut (024348) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861583783
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameNINA RUTH HOROWITZCredential: M.D.
Location Address46 PRINCE ST, SUITE 301New Haven, CT 06519-1600
Mailing Address46 Prince St, Suite 301New Haven, CT 06519-1600 · (203) 562-3577 · Fax (203) 782-6864
Phone(203) 562-3577
Fax(203) 782-6864
Sole ProprietorYes
Enumeration DateSeptember 27, 2006
Last NPPES UpdateJanuary 16, 2008
✔ NPI 1861583783 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CT · 024348
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
46 PRINCE ST, New Haven, CT 06519
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Other Identifiers 2

Medicare UPINB38869
Medicaid01243484CT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nina Ruth Horowitz 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 Reassignment

Medicare enrollment records show Nina Horowitz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Yale University
0.1 mi
Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
NPI 1124148887 (203) 737-5432

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06519 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

KRISTIN NOWAK
Advanced Practice Midwife
46 PRINCE ST, #207
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 787-2264
DR. WAYNE IAN LARRISON M.D.
Ophthalmology
46 PRINCE ST, SUITE 402A
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 787-6161
JOAN M MESSNER CNM
Advanced Practice Midwife
46 PRINCE ST, #207
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 787-2264
DR. VINCENT QUARATO D.C.
Chiropractor
46 PRINCE ST, SUITE 201
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 562-0656
DIANE LEVINE PT
Physical Therapist
46 PRINCE ST, SUITE 402B
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 752-7878
SHIRLEY MUDZINSKI PT
Physical Therapist
46 PRINCE ST, SUITE 402B
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 752-7878
ROBERT F MORRISON M.D.
Internal Medicine (Cardiovascular Disease)
46 PRINCE ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 867-5300
AJOY KAPOOR M.D.
Internal Medicine (Cardiovascular Disease)
46 PRINCE ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 867-5300

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 Nina Horowitz's NPI number?

The NPI number for Nina Horowitz is 1861583783. It was assigned to this individual provider in the NPPES registry on September 27, 2006.

Where is Nina Horowitz located?

Nina Horowitz practices at 46 Prince St Suite 301, New Haven, CT 06519. The listed phone number is (203) 562-3577.

What is Nina Horowitz's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Nina Horowitz enrolled in Medicare?

Yes. Nina Horowitz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nina Horowitz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nina Horowitz reassigns Medicare benefits to Yale University (New Haven, CT). The 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 Nina Horowitz'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 Nina Horowitz was last updated on January 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.