Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TRISTIN ROSE OCONNOR MD
NPI 1841993177
Internal Medicine in Sparks, NV

Q: What is Tristin Oconnor's NPI number?

The NPI number for Tristin Oconnor is 1841993177. It was assigned to this individual provider in the NPPES registry on March 24, 2023. The provider is also known as Tristin Rose Switzer MD.

Q: What is Tristin Oconnor's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Tristin Oconnor was last updated on September 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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 March 24, 2023

2375 E PRATER WAY, SPARKS, NV 89434(775) 331-7000 Get Directions Write a Review

NPPES record last updated: September 19, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 19, 2026, Nov 4, 2025, Mar 24, 2023 (3 updates tracked since 2023).

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About Tristin Rose Oconnor Md NPPES

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

TRISTIN ROSE OCONNOR MD (NPI 1841993177) is an individual internal medicine provider in Sparks, Nevada, licensed in Nevada (30315) and active in the NPI registry since March 2023.

NPPES Registry Identity

NPI1841993177

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameTRISTIN ROSE OCONNORCredential: MD

Location Address2375 E PRATER WAYSparks, NV 89434-9665

Mailing Address2375 E Prater WaySparks, NV 89434-9665 · (775) 331-7000

Phone(775) 331-7000

Sole ProprietorNo

Enumeration DateMarch 24, 2023

Last NPPES UpdateSeptember 19, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 19, 2026

✔ NPI 1841993177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NV · 30315

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.

2375 E PRATER WAY, Sparks, NV 89434

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Other Names 1

Former Name (1)Tristin Rose Switzer Md

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.

NIKOS INPATIENT SERVICES

Internal Medicine

2375 E PRATER WAY
SPARKS, NV 89434

Washoe County (775) 352-5301

AARON DANIEL JONES DO

Emergency Medicine

2375 E PRATER WAY
SPARKS, NV 89434

Washoe County (775) 331-7000

WILLIAM DAVIS MD

Emergency Medicine

2375 E PRATER WAY
SPARKS, NV 89434

Washoe County (775) 331-7000

MARIA AHMAD MEDICAL DEGREE (MD)

Family Medicine

2375 E PRATER WAY
SPARKS, NV 89434

Washoe County (775) 815-6604

BROWN, CALVANESE, CAMERON, LTD

Emergency Medicine (Emergency Medical Services)

2375 E PRATER WAY
SPARKS, NV 89434

Washoe County (775) 331-7000

AMANDA MUELLER DPT

Physical Therapist

2375 E PRATER WAY, SUITE 301
SPARKS, NV 89434

Washoe County (775) 356-4960

SPARKS FAMILY HOSPITAL INC

General Acute Care Hospital

2375 E PRATER WAY
SPARKS, NV 89434

Washoe County (775) 331-7000

DR. AYODELE OKUNOLA M.D.

Internal Medicine

2375 E PRATER WAY
SPARKS, NV 89434

Washoe County (775) 352-5301

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 Tristin Oconnor's NPI number?

The NPI number for Tristin Oconnor is 1841993177. It was assigned to this individual provider in the NPPES registry on March 24, 2023. The provider is also known as Tristin Rose Switzer MD.

Where is Tristin Oconnor located?

Tristin Oconnor practices at 2375 E Prater Way, Sparks, NV 89434. The listed phone number is (775) 331-7000.

What is Tristin Oconnor's specialty?

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

When was this NPI record last updated?

The NPPES record for Tristin Oconnor was last updated on September 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.