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MARCUS SINEWE MD
NPI 1699206664
Emergency Medicine in Palo Alto, CA

Active since March 22, 2017PECOS EnrolledAccepts Medicare Assignment
94.63/100
CMS Quality Rating
300 PASTEUR DR, PALO ALTO, CA 94304(650) 723-4000 Get Directions Write a Review

NPPES record last updated: July 31, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 21, 2025, May 23, 2025, Feb 7, 2023 and 2 more (5 updates tracked since 2017).

About Marcus Sinewe Md NPPES

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

MARCUS SINEWE MD (NPI 1699206664) is an individual emergency medicine provider in Palo Alto, California, licensed in California (A200900) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of University Of Toledo College Of Medicine (2017).

NPPES Registry Identity

NPI1699206664
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMARCUS SINEWECredential: MD
Location Address300 PASTEUR DRPalo Alto, CA 94304-2203
Mailing Address300 Pasteur DrPalo Alto, CA 94304-2203 · (650) 723-4000
Phone(650) 723-4000
Sole ProprietorYes
Medical School CMSUniversity Of Toledo College Of MedicineGraduated 2017
Enumeration DateMarch 22, 2017
Last NPPES UpdateJuly 31, 20255 updates tracked since enumeration
NPPES CertifiedJuly 31, 2025
✔ NPI 1699206664 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CA · A200900✔ Licensed in OH · 35.147271✔ Licensed in VA · 0101273419
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
300 PASTEUR DR, Palo Alto, CA 94304
Open in Google Maps ↗

Secondary Practice Location 1

Location 1900 Welch RdPalo Alto, CA 94304-1805 · Phone (650) 285-9071

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

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

Marcus Sinewe 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 ID3971935511
PECOS Enrollment IDI20250411002772
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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
157 services156 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
59 services57 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
41 services41 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
14 services14 patients

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
$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.

94.63/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.64
Improvement Activities40

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.

RHEA MATHEW
Nurse Practitioner (Adult Health)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (209) 675-3787
JUSTIN AYALA BIRNBAUM M.D.
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
MAHENDRA TAKASHI BHATI MD
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
ANDREA ERIKA AMENT M.D.
Psychiatry & Neurology (Psychosomatic Medicine)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
CATHERINE BENEDICT PHD
Psychologist (Clinical)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
RYAN THOMAS ASH MD, PHD
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
ARDEN MARIE MORRIS MD
Colon & Rectal Surgery
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
BENJAMIN ZEWDU BELAI MD
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000

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 Marcus Sinewe's NPI number?

The NPI number for Marcus Sinewe is 1699206664. It was assigned to this individual provider in the NPPES registry on March 22, 2017.

Where is Marcus Sinewe located?

Marcus Sinewe practices at 300 Pasteur Dr, Palo Alto, CA 94304. The listed phone number is (650) 723-4000.

What is Marcus Sinewe's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Marcus Sinewe enrolled in Medicare?

Yes. Marcus Sinewe 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.

What insurance does Marcus Sinewe accept?

Health plans from CareSource list Marcus Sinewe 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 Marcus Sinewe was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.