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

ONEILL CLARK NARVARTE & VICKS A PROFESSIONAL CORPORATION
NPI 1962501940
Internal Medicine in Reno, NV

Active since September 22, 2006
5437 KIETZKE LN, RENO, NV 89511(775) 322-4550(775) 322-4956 Get Directions Write a Review

NPPES record last updated: August 15, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Aug 15, 2026, Aug 16, 2024, Apr 5, 2024 and 7 more (10 updates tracked since 2017).

About Oneill Clark Narvarte & Vicks A Professional Corporation NPPES

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

ONEILL CLARK NARVARTE & VICKS A PROFESSIONAL CORPORATION (NPI 1962501940), doing business as Sierra Nevada Endocrinology Consultants, is a healthcare organization registered as an internal medicine in Reno, Nevada and active in the NPI registry since September 2006. The organization maintains 6 additional practice locations and lists James Sullivan, President, as its authorized official.

NPPES Registry Identity

NPI1962501940
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameONEILL CLARK NARVARTE & VICKS A PROFESSIONAL CORPORATION
Location Address5437 KIETZKE LNReno, NV 89511-1088
Mailing Address5437 Kietzke LnReno, NV 89511-1088 · (775) 322-4550 · Fax (775) 322-4776
Phone(775) 322-4550
Fax(775) 322-4956
Organization SubpartNo
Authorized OfficialJames SullivanPresident · (775) 322-4550
Enumeration DateSeptember 22, 2006
Last NPPES UpdateAugust 15, 202610 updates tracked since enumeration
NPPES CertifiedAugust 15, 2026
✔ NPI 1962501940 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 8

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X
Also ListedDietitian, RegisteredTaxonomy 133V00000X
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X
Also ListedInternal Medicine · NephrologyTaxonomy 207RN0300X
Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
5437 KIETZKE LN, Reno, NV 89511
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Other Names 4

Doing Business AsSierra Nevada Endocrinology Consultants
Doing Business AsSierra Nevada Nephrology Access Center
Doing Business AsSierra Nevada Nephrology Consultants
Doing Business AsSierra Nevada Specialty Care

Secondary Practice Locations 6

Location 1932 Ryland StReno, NV 89502-1773 · Phone (775) 322-4550 · Fax (775) 322-4956
Location 26 Steptoe CirEly, NV 89301-2692 · Phone (775) 322-4550 · Fax (775) 322-4956
Location 31995 Errecart Blvd Ste 205Elko, NV 89801-8337 · Phone (775) 322-4550 · Fax (775) 322-4956
Location 42340 S Carson St Ste ACarson City, NV 89701-4540 · Phone (775) 322-4550 · Fax (775) 322-4956
Location 5801 E Williams AveFallon, NV 89406-3052 · Phone (775) 322-4550 · Fax (775) 322-4956
Location 65961 S Los Altos Pkwy Ste 107Sparks, NV 89436-2501 · Phone (775) 322-4550 · Fax (775) 322-4956

Other Identifiers 2

Medicaid1722434CA
Medicaid100504641NV

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health.Insurance ›

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.

SHIVA ADHAM NP
Nurse Practitioner
5437 KIETZKE LN
RENO, NV 89511
Washoe County (775) 322-4550
SONI REDDY DHANIREDDY M.D.
Internal Medicine (Nephrology)
5437 KIETZKE LN
RENO, NV 89511
Washoe County (775) 322-4550
KATE MARIE DEMAIO FNP
Nurse Practitioner (Family)
5437 KIETZKE LN
RENO, NV 89511
Washoe County (775) 322-4776
DARREN C. WHITE MD
Internal Medicine (Pulmonary Disease)
5437 KIETZKE LN
RENO, NV 89511
Washoe County (775) 322-4550
ROBERT F QUIGLEY DO
Internal Medicine (Nephrology)
5437 KIETZKE LN
RENO, NV 89511
Washoe County (775) 322-4550
DR. LINDSAY D. SANDERS DO
Internal Medicine (Nephrology)
5437 KIETZKE LN
RENO, NV 89511
Washoe County (775) 322-4550
ERIK GNANDT JENSEN
Internal Medicine (Infectious Disease)
5437 KIETZKE LN
RENO, NV 89511
Washoe County (775) 322-4550
MISS JESSICA NOEL REYNOLDS AGCNS-BC
Clinical Nurse Specialist (Adult Health)
5437 KIETZKE LN
RENO, NV 89511
Washoe County (775) 322-4550

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 Oneill Clark Narvarte & Vicks A Professional Corporation's NPI number?

The NPI number for Oneill Clark Narvarte & Vicks A Professional Corporation is 1962501940. It was assigned to this organization in the NPPES registry on September 22, 2006. The provider is doing business as Sierra Nevada Endocrinology Consultants, Sierra Nevada Nephrology Access Center, Sierra Nevada Nephrology Consultants and Sierra Nevada Specialty Care.

Where is Oneill Clark Narvarte & Vicks A Professional Corporation located?

Oneill Clark Narvarte & Vicks A Professional Corporation is located at 5437 Kietzke Ln, Reno, NV 89511. The listed phone number is (775) 322-4550.

What is Oneill Clark Narvarte & Vicks A Professional Corporation's specialty?

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

What insurance does Oneill Clark Narvarte & Vicks A Professional Corporation accept?

Health plans from Ambetter from Arizona Complete Health list Oneill Clark Narvarte & Vicks A Professional Corporation as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Oneill Clark Narvarte & Vicks A Professional Corporation was last updated on August 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 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.