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KATHERINE ALLDER MD
NPI 1982393831
Emergency Medicine in Providence, RI

Active since May 05, 2023PECOS Enrolled
593 EDDY ST, PROVIDENCE, RI 02903(401) 444-6489 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 23, 2023, Jun 8, 2023, May 5, 2023 (3 updates tracked since 2023).

About Katherine Allder Md NPPES

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

KATHERINE ALLDER MD (NPI 1982393831) is an individual emergency medicine provider in Providence, Rhode Island, licensed in Rhode Island (LP05898) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982393831
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameKATHERINE ALLDERCredential: MD
Location Address593 EDDY STProvidence, RI 02903-4923
Mailing Address593 Eddy StProvidence, RI 02903-4923
Phone(401) 444-6489
Sole ProprietorNo
Enumeration DateMay 5, 2023
Last NPPES UpdateFebruary 9, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2026
✔ NPI 1982393831 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in RI · LP05898
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
593 EDDY ST, Providence, RI 02903
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Other Names 1

Former Name (1)Katherine Barry Md

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Allder Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02903 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
$90.48 typical visit price
range $58.57 – $177.03
Typical copayment $22.62 (range $14.64 – $44.25)
Most-billed visit code 99203
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
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.

DR. KEITH-AUSTIN SCARFO D.O.
Anesthesiology
593 EDDY ST, APC 6
PROVIDENCE, RI 02903
Providence County (401) 444-3777
AILEEN HSUEH
Surgery
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 444-8450
RHODE ISLAND HOSPITAL
General Acute Care Hospital
593 EDDY ST, MAIN 4
PROVIDENCE, RI 02903
Providence County (401) 444-7585
DR. GA HIE NAM M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 444-5057
EUGENIE ATALLAH
Psychiatry & Neurology (Neurology)
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 606-2645
BRIAN CAO MD
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 606-4286
BRET CAULFIELD
Physician Assistant
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 444-4000
JUNG HO GONG
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 793-2695

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 Allder's NPI number?

The NPI number for Katherine Allder is 1982393831. It was assigned to this individual provider in the NPPES registry on May 5, 2023. The provider is also known as Katherine Barry MD.

Where is Katherine Allder located?

Katherine Allder practices at 593 Eddy St, Providence, RI 02903. The listed phone number is (401) 444-6489.

What is Katherine Allder's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Katherine Allder enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Katherine Allder was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.