KATHERINE TAN
NPI 1790635159
Nurse Practitioner - Acute Care in Washington, DC

Q: What is Katherine Tan's NPI number?

The NPI number for Katherine Tan is 1790635159. It was assigned to this individual provider in the NPPES registry on February 3, 2026.

Q: What is Katherine Tan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Katherine Tan was last updated on February 3, 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.

Active since February 03, 2026PECOS Enrolled

450 K ST NW APT 218, WASHINGTON, DC 20001(631) 357-0289 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Katherine Tan NPPES

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

KATHERINE TAN (NPI 1790635159) is an individual acute care provider in Washington, District Of Columbia, licensed in District Of Columbia (2025045817) and active in the NPI registry since February 2026. She is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (2025).

NPPES Registry Identity

NPI1790635159

Entity TypeIndividualFemale

Primary Taxonomy363LA2100X

Provider Legal NameKATHERINE TAN

Location Address450 K ST NW APT 218Washington, DC 20001-2959

Mailing Address450 K St Nw Apt 218Washington, DC 20001-2959 · (631) 357-0289

Phone(631) 357-0289

Sole ProprietorNo

Medical School CMSJohns Hopkins University School Of MedicineGraduated 2025

Enumeration DateFebruary 3, 2026

NPPES CertifiedFebruary 3, 2026

✔ NPI 1790635159 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in DC · 2025045817

450 K ST NW APT 218, Washington, DC 20001

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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 Tan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7012484611

PECOS Enrollment IDI20260430002256

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 20001 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

$100.31 typical visit price

range $65.18 – $194.86

Typical copayment $25.07 (range $16.29 – $48.71)

Most-billed visit code 99203

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

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 Tan's NPI number?

The NPI number for Katherine Tan is 1790635159. It was assigned to this individual provider in the NPPES registry on February 3, 2026.

Where is Katherine Tan located?

Katherine Tan practices at 450 K St NW Apt 218, Washington, DC 20001. The listed phone number is (631) 357-0289.

What is Katherine Tan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Katherine Tan enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Katherine Tan was last updated on February 3, 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.