SIERRA VIEW NEPHROLOGY, INC
NPI 1689888109
Internal Medicine - Nephrology in Porterville, CA

Q: What is Sierra View Nephrology, Inc's NPI number?

The NPI number for Sierra View Nephrology, Inc is 1689888109. It was assigned to this organization in the NPPES registry on May 10, 2007.

Q: What is Sierra View Nephrology, Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Active since May 10, 2007CLIA 05D1070225 · Waiver

557 W MORTON AVE, SUITE A, PORTERVILLE, CA 93257(559) 784-4925(559) 784-4966 Get Directions Write a Review

NPPES record last updated: September 11, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Sierra View Nephrology, Inc NPPES

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

SIERRA VIEW NEPHROLOGY, INC (NPI 1689888109) is a healthcare organization registered as a nephrology in Porterville, California and active in the NPI registry since May 2007. The organization holds a CLIA Waiver certificate valid through June 21, 2027 and lists Nirupama Vemuri, Owner, as its authorized official.

NPPES Registry Identity

NPI1689888109

Entity TypeOrganization

Primary Taxonomy207RN0300X

Legal Business NameSIERRA VIEW NEPHROLOGY, INC

Location Address557 W MORTON AVE, SUITE APorterville, CA 93257-3333

Mailing Address557 W Morton Ave, Suite APorterville, CA 93257-3333 · (559) 784-4925 · Fax (559) 784-4966

Phone(559) 784-4925

Fax(559) 784-4966

Organization SubpartNo

Authorized OfficialNirupama VemuriOwner · (559) 784-4925

Enumeration DateMay 10, 2007

Last NPPES UpdateSeptember 11, 2012

✔ NPI 1689888109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in CA · C52775

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Also ListedInternal MedicineTaxonomy 207R00000X · License C52775 (CA)

557 W MORTON AVE, Porterville, CA 93257

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Other Identifiers 4

OtherZZZ50981ZCA · Blue Shield Pin

Medicaid00C527750CA

Medicare PINZZZ05395ZCA

Medicare UPINH27793FL

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sierra View Nephrology, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Sierra View Nephrology, Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Nirupama Vemuri, MD

Internal Medicine

NPI 1659303980

557 W MORTON AVE SUITE A
Porterville, CA 93257

(559) 784-4925

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D1070225

Sierra View Nephrology Inc · Porterville, CA

Active · expires Jun 21, 2027

CLIA Number05D1070225

Laboratory TypePhysician Office

Certificate Effective DateJune 22, 2025

Certificate Expiration DateJune 21, 2027

Laboratory DirectorNirupama Vemuri

Laboratory Phone(559) 784-4925

Laboratory LocationSierra View Nephrology Inc557 W Morton Ave Ste A, Porterville, CA 93257

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

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 Sierra View Nephrology, Inc's NPI number?

The NPI number for Sierra View Nephrology, Inc is 1689888109. It was assigned to this organization in the NPPES registry on May 10, 2007.

Where is Sierra View Nephrology, Inc located?

Sierra View Nephrology, Inc is located at 557 W Morton Ave Suite A, Porterville, CA 93257. The listed phone number is (559) 784-4925.

What is Sierra View Nephrology, Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Sierra View Nephrology, Inc enrolled in Medicare?

Yes. Sierra View Nephrology, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sierra View Nephrology, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Sierra View Nephrology, Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Sierra View Nephrology, Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1070225) is associated with this NPI, valid through June 21, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Sierra View Nephrology, Inc was last updated on September 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.