Dr. Marcus William Sinewe, MD

  • Stanford, CA
  • Emergency medicine physician
NPI1699206664PAC ID3971935511
Medicare services, 2024
271
Medicare patients, 2024
223
Part D claims, 2024
62
Hospital affiliations
2
Medical groups
6
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 10 affiliations

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Dr. Marcus William Sinewe is an emergency medicine physician in Stanford, California

Dr. Sinewe practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Sinewe's NPI, 1699206664, was assigned on March 22, 2017. Dr. Sinewe graduated from University of Toledo College of Medicine and Life Sciences in 2017. Dr. Sinewe holds Ohio license 35.147271.

NPI and contact details
Medicare PAC ID
3971935511
NPI enumeration date
March 22, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Marcus William Sinewe practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Sinewe's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Source: Dmand AI Affiliation Data

Dr. Marcus William Sinewe is affiliated with 4 sites of care and 6 medical groups

Dr. Sinewe's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Sinewe to 1 more hospital, 5 medical groups and 2 group practices and clinics, each named with a free account. Dr. Sinewe's employer is on file too: a hospital.

See all 10 affiliations for Dr. Sinewe

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Marcus William Sinewe's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sinewe practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+3 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Marcus William Sinewe is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Sinewe's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Sinewe is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Sinewe's licenses on file in 4 states: Ohio, California, Virginia and Washington.

Specialties and state licenses

  • Emergency medicine, OhioPrimaryLicense 35.147271 · 2023 to 2027 · taxonomy 207P00000X
  • California license2025 to 2027
  • Virginia licenseLicense 0101273419 · 2021 to 2026
  • Washington license2020 to 2026

Emergency medicine physicians near Dr. Sinewe

Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Marcus William Sinewe billed Medicare for 271 services in 2024

CMS data shows 271 Medicare services from Dr. Sinewe across 4 procedure codes in 2024, for 223 Medicare patients. Medicare paid $27,648 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024271
Medicare patients223
Paid by Medicare$27,648
Procedure codes4

Dr. Sinewe's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 542024: 212293%
Tests and treatments
2023: 232024: 59157%

Dr. Sinewe compared with the California median for emergency medicine physicians, 2024

  • Dr. Sinewe
  • California median
Medicare services
271vs 265Close to median
Medicare patients
223vs 2438% below
Part D claims
11vs 6282% below

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Sinewe's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Sinewe

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Marcus William Sinewe treated 223 Medicare patients in 2024, average age 77

CMS counts 223 Medicare patients who saw Dr. Sinewe in 2024. The largest group is 75 to 84, with 86 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.12, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Sinewe's median patient age at 48, with 57% women.

Medicare patients, 2024223
Average age77
Average risk score2.12
Also on Medicaid14%

Dr. Sinewe's Medicare patients by age, 2024

Dr. Sinewe's Medicare patients by sex, 2024

  • Women12456%
  • Men9944%

Chronic conditions among Dr. Sinewe's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis64%
  4. Anxiety48%
  5. Chronic kidney disease43%
  6. Heart failure42%
  7. Ischemic heart disease42%
  8. Atrial fibrillation40%

Share of Medicare patients with each condition. A patient can have several.

Dr. Sinewe's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 48

Patient panel by sex, all payers

  • Women57%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Marcus William Sinewe wrote 62 Medicare Part D claims in 2024

In 2024, Dr. Sinewe wrote 62 Medicare Part D claims for 47 patients. 95% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $15 in total drug cost. In 2020, CMS named 15 claims across 1 drug.

Part D claims, 202462
Drugs named by CMS1
Total drug cost$15
Part D patients47

Dr. Sinewe's Part D claims by kind of drug, 2024

  • Generic59 claims95%
  • Brand-name and other3 claims5%

Dr. Sinewe's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Sinewe's Part D claims, 2024

  • Antibiotics44%27 of 62 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2020 to 2024

  • 2020
  • 2024
Claims for drugs CMS names
2020: 152024: 1127%

Drugs named by CMS: 1 in 2024, 1 in 2020.

See all prescribing by Dr. Sinewe

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Marcus William Sinewe takes part in Medicare

Dr. Sinewe accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Marcus William Sinewe graduated from University of Toledo College of Medicine and Life Sciences

Dr. Sinewe graduated from University of Toledo College of Medicine and Life Sciences in 2017. Dr. Sinewe is a member of ACEP.

  1. Medical schoolUniversity of Toledo College of Medicine and Life Sciences
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Marcus William Sinewe accepts plans from 2 insurance carriers

Dr. Sinewe is in network with 2 carriers, including CareSource and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • CareSource
  • CMS Medicare

Source: Dmand AI Insurance Network Data

Sources for Dr. Marcus William Sinewe's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Marcus William Sinewe

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Marcus William Sinewe's NPI number?

Dr. Marcus William Sinewe's NPI number is 1699206664. It was assigned on March 22, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Marcus William Sinewe?

Dr. Marcus William Sinewe is an emergency medicine physician in Stanford, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Marcus William Sinewe practice?

Dr. Sinewe practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Sinewe's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Sinewe to 1 hospital, 5 medical groups and 2 group practices and clinics.

What is Dr. Marcus William Sinewe's office phone number?

The practice phone on file for Dr. Sinewe is (650) 723-4000.

What is Dr. Marcus William Sinewe's medical license number?

Dr. Sinewe holds Ohio license 35.147271, one of the licenses on file in 4 states.

Which states has Dr. Marcus William Sinewe been licensed in?

Dmand AI has state licenses on file for Dr. Sinewe in Ohio (2023 to 2027), California (2025 to 2027), Virginia (2021 to 2026) and Washington (2020 to 2026).

Which hospitals is Dr. Marcus William Sinewe affiliated with?

Dr. Sinewe practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Sinewe to 1 more hospital.

What medical group is Dr. Marcus William Sinewe part of?

Dr. Sinewe is linked to Stanford Health Care. Dmand AI links Dr. Sinewe to 5 more medical groups.

Does Dr. Marcus William Sinewe accept Medicare?

Yes. CMS data shows Dr. Sinewe billed Medicare for 271 services in 2024, and Dr. Sinewe accepts Medicare assignment.

How many Medicare patients does Dr. Marcus William Sinewe see?

CMS counts 223 Medicare patients who saw Dr. Sinewe in 2024, with an average age of 77.

Show 6 more questionsShow fewer questions

Is Dr. Marcus William Sinewe board certified?

Yes. Dr. Sinewe is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Marcus William Sinewe bill to Medicare?

In 2024, Dr. Sinewe's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).

Where did Dr. Marcus William Sinewe go to medical school?

Dr. Sinewe graduated from University of Toledo College of Medicine and Life Sciences in 2017.

What drugs does Dr. Marcus William Sinewe prescribe most?

In 2024 Medicare Part D data, Dr. Sinewe's most prescribed drugs by claims were Prednisone.

How long has Dr. Marcus William Sinewe been practicing?

Dr. Sinewe graduated from medical school in 2017, 9 years ago.

What insurance does Dr. Marcus William Sinewe accept?

Dr. Sinewe is in network with 2 carriers, including CareSource and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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