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SINAN SHELLEY SAYOOD
NPI 1962963744
Internal Medicine - Critical Care Medicine in Palo Alto, CA

Active since March 26, 2019PECOS Enrolled
500 PASTEUR DR, PALO ALTO, CA 94304(650) 723-4000 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 24, 2025, Sep 24, 2021 (2 updates tracked since 2021).

About Sinan Shelley Sayood NPPES

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

SINAN SHELLEY SAYOOD (NPI 1962963744) is an individual critical care medicine provider in Palo Alto, California, licensed in California (A203270) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1962963744
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameSINAN SHELLEY SAYOOD
Location Address500 PASTEUR DRPalo Alto, CA 94304-1048
Mailing Address1 Medical Dr Dept OfLebanon, NH 03756-0001
Phone(650) 723-4000
Sole ProprietorNo
Enumeration DateMarch 26, 2019
Last NPPES UpdateJune 24, 20252 updates tracked since enumeration
NPPES CertifiedJune 24, 2025
✔ NPI 1962963744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in CA · A203270
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License R-12369 (IA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
500 PASTEUR DR, Palo Alto, CA 94304
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sinan Shelley Sayood is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 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.

DR. INDRANI GUZMAN DAS MD, MPH
Student in an Organized Health Care Education/Training Program
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
CALLIE KIYONO VANWINKLE
Student in an Organized Health Care Education/Training Program
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 724-4750
DR. RAVNIT K. BHATIA DO
Internal Medicine (Geriatric Medicine)
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
DIVYA RAMAKRISHNAN MD
Student in an Organized Health Care Education/Training Program
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
HANS-CHRISTOPH RICHARD FREDERIK BECKER MD
Radiology (Diagnostic Radiology)
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
JUDITH SUNAH KIM PHARMD
Pharmacist
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-8561
JON HOCHSTEIN
Student in an Organized Health Care Education/Training Program
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-5000
KIMBERLY MAY LAU PHARMD
Pharmacist (Oncology)
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (415) 290-1588

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 Sinan Sayood's NPI number?

The NPI number for Sinan Sayood is 1962963744. It was assigned to this individual provider in the NPPES registry on March 26, 2019.

Where is Sinan Sayood located?

Sinan Sayood practices at 500 Pasteur Dr, Palo Alto, CA 94304. The listed phone number is (650) 723-4000.

What is Sinan Sayood's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Sinan Sayood enrolled in Medicare?

Yes. Sinan Sayood is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sinan Sayood was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.