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DR. KATHERINE BUCKNER ORR MD
NPI 1285217422
Internal Medicine in New Haven, CT

Active since May 05, 2021PECOS Enrolled
55 LOCK ST, NEW HAVEN, CT 06511(203) 432-0246 Get Directions Write a Review

NPPES record last updated: August 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 7, 2025, May 5, 2021 (2 updates tracked since 2021).

About Dr. Katherine Buckner Orr Md NPPES

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

DR. KATHERINE BUCKNER ORR MD (NPI 1285217422) is an individual internal medicine provider in New Haven, Connecticut, licensed in Connecticut (80976) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (2021).

NPPES Registry Identity

NPI1285217422
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. KATHERINE BUCKNER ORRCredential: MD
Location Address55 LOCK STNew Haven, CT 06511-3603
Mailing Address55 Lock StNew Haven, CT 06511-3603 · (203) 432-0246
Phone(203) 432-0246
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2021
Enumeration DateMay 5, 2021
Last NPPES UpdateAugust 7, 20252 updates tracked since enumeration
NPPES CertifiedAugust 7, 2025
✔ NPI 1285217422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 80976
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
55 LOCK ST, New Haven, CT 06511
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Katherine Buckner Orr Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2961802681
PECOS Enrollment IDI20251215002417
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 Katherine Orr reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Yale University
Same address
Health Service
55 LOCK ST
New Haven, CT 06511
  • Reassigned Medicare billing, Connecticut enrollment
  • 149 clinicians in this Medicare group
NPI 1093862740 (203) 432-0076

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 06511 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
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.

JANE JEEHYUN KWON MD
Pediatrics
55 LOCK ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 432-0206
DAYSI PATRICIA REYES BARNES RN
Registered Nurse
55 LOCK ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 432-0246
SAMANTHA OJEDA
Psychologist (Clinical)
55 LOCK ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 432-0290
TAMIRES TIBURTINO
Psychologist
55 LOCK ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 432-0290
MRS. GILLIAN D RALLS PA-C
Physician Assistant (Medical)
55 LOCK ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 432-7978
ROMINA TANELLARI
Social Worker (Clinical)
55 LOCK ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 432-0290
YALE UNIVERSITY
Clinic/Center (Health Service)
55 LOCK ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 432-0076
DELISA QUAYSON MD
Obstetrics & Gynecology
55 LOCK ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 432-0222

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 Katherine Orr's NPI number?

The NPI number for Katherine Orr is 1285217422. It was assigned to this individual provider in the NPPES registry on May 5, 2021.

Where is Katherine Orr located?

Katherine Orr practices at 55 Lock St, New Haven, CT 06511. The listed phone number is (203) 432-0246.

What is Katherine Orr's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Katherine Orr enrolled in Medicare?

Yes. Katherine Orr is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine Orr's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Orr 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 Katherine Orr'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 Katherine Orr was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.