SANKAR NARAYAN NIRANJAN MD
NPI 1497752802
Internal Medicine - Nephrology in Stanford, CA

Active since June 30, 2005PECOS EnrolledAccepts Medicare Assignment
300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: March 27, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 27, 2025, Mar 19, 2025, Jun 24, 2021 (3 updates tracked since 2021).

About Sankar Narayan Niranjan Md NPPES

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

SANKAR NARAYAN NIRANJAN MD (NPI 1497752802) is an individual nephrology provider in Stanford, California, licensed in California (C196910) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bloomfield, and is a graduate of Other (1994).

NPPES Registry Identity

NPI1497752802
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameSANKAR NARAYAN NIRANJANCredential: MD
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateJune 30, 2005
Last NPPES UpdateMarch 27, 20253 updates tracked since enumeration
NPPES CertifiedMarch 27, 2025
NPI 1497752802 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 · C196910
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 C196910 (CA)
300 PASTEUR DR, Stanford, CA 94305

Other Names 1

Former Name (1)Dr. Niranjan Sankaranarayanan Md

Secondary Practice Location 1

Location 135 Jolley Dr, Suite 203Bloomfield, CT 06002-3062 · Phone (860) 769-9866 · Fax (860) 769-7300

Other Identifiers 1

Medicaid001418161CT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Sankar Narayan Niranjan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991781809
PECOS Enrollment IDI20250116002386
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
171 services121 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94305 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

Internal Medicine (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305

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 Sankar Niranjan's NPI number?

The NPI number for Sankar Niranjan is 1497752802. It was assigned to this individual provider in the NPPES registry on June 30, 2005. The provider is also known as Dr. Niranjan Sankaranarayanan MD.

Where is Sankar Niranjan located?

Sankar Niranjan practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.

What is Sankar Niranjan's specialty?

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

Is Sankar Niranjan enrolled in Medicare?

Yes. Sankar Niranjan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Sankar Niranjan was last updated on March 27, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.