SHYAM MOHAN SIVASANKAR M.D.
NPI 1255741161
Emergency Medicine - Pediatric Emergency Medicine in Stanford, CA

Active since April 30, 2014PECOS EnrolledAccepts Medicare Assignment
76.5/100
CMS Quality Rating
300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: March 21, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 23, 2023, Sep 5, 2019, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Shyam Mohan Sivasankar M.d. NPPES

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

SHYAM MOHAN SIVASANKAR M.D. (NPI 1255741161) is an individual pediatric emergency medicine provider in Stanford, California, licensed in California (A139013) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in Austin, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2014).

NPPES Registry Identity

NPI1255741161
Entity TypeIndividualMale
Primary Taxonomy207PP0204X
Provider Legal NameSHYAM MOHAN SIVASANKARCredential: M.D.
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2014
Enumeration DateApril 30, 2014
Last NPPES UpdateMarch 21, 20244 updates tracked since enumeration
NPPES CertifiedAugust 23, 2023
✔ NPI 1255741161 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency Medicine · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207PP0204X
Licenses✔ Licensed in CA · A139013✔ Licensed in TX · R2747
Definition
Pediatric Emergency Medicine is a clinical subspecialty that focuses on the care of the acutely ill or injured child in the setting of an emergency department.
Also ListedEmergency MedicineTaxonomy 207P00000X · License R2747 (TX), A139013 (CA)
300 PASTEUR DR, Stanford, CA 94305

Secondary Practice Location 1

Location 112221 N Mopac ExpyAustin, TX 78758-2401 · Phone (512) 901-1000

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Shyam Mohan Sivasankar M.d. 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 ID749559953
PECOS Enrollment IDI20170703000257
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Shyam Sivasankar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
300 PASTEUR DRIVE
Stanford, CA 94305
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
Children
725 WELCH RD
Palo Alto, CA 94304
  • Reassigned Medicare billing, California enrollment
  • 3,617 clinicians in this Medicare group
Emergency Medicine
1201 W 38TH ST
Austin, TX 78705
  • Reassigned Medicare billing, Texas enrollment
  • 1,511 clinicians in this Medicare group
Emergency Medicine
919 E 32ND ST
Austin, TX 78705
  • Reassigned Medicare billing, Texas enrollment
  • 547 clinicians in this Medicare group
Pediatrics
6621 FANNIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Childrens Physician Group
  • 2,498 clinicians in this Medicare group

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

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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.31
Promoting Interoperability100
Improvement Activities40
Cost43.95

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 Shyam Sivasankar's NPI number?

The NPI number for Shyam Sivasankar is 1255741161. It was assigned to this individual provider in the NPPES registry on April 30, 2014.

Where is Shyam Sivasankar located?

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

What is Shyam Sivasankar's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Pediatric Emergency Medicine, with taxonomy code 207PP0204X.

Is Shyam Sivasankar enrolled in Medicare?

Yes. Shyam Sivasankar 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.

Which organizations bill Medicare for Shyam Sivasankar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shyam Sivasankar reassigns Medicare benefits to 5 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA), Travis County Emergency Physicians PA (Austin, TX), Longhorn Emergency Medical Associates PA (Austin, TX) and Texas Children's Physician Group (Houston, TX). Each 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 Shyam Sivasankar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shyam Sivasankar accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Harbor Health, Imperial Insurance Companies, Inc. and Moda Health Plan, Inc. and 2 other insurers list Shyam Sivasankar 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 Shyam Sivasankar was last updated on March 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.