Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Medical Oncology

Sorbarikor Piawah, MD

Works at hospitals in Greenbrae, CA · Novato, CA · San Francisco, CA · California

Summary

Dr. Sorbarikor Piawah, MD is an oncologist at 165 Rowland Way, Suite 201, Novato, CA 94945. Phone: (415) 600-1817. Accepts Medicare assignment. In 2024, Sorbarikor Piawah had 52 Original Medicare patients and 232 services. NPI 1528471927. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Sorbarikor Piawah, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sorbarikor Piawah accept Medicare assignment?
Yes. Medicare's clinician data says Sorbarikor Piawah accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Sorbarikor Piawah see?
In 2024, CMS data shows 52 Original Medicare patients and 232 services for Sorbarikor Piawah. This counts Original Medicare only and measures volume, not quality.
What is Sorbarikor Piawah's NPI number?
1528471927. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Sorbarikor Piawah, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients52
Services billed to Medicare232
Different services or procedures7
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)119 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)88 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure73%
  • High cholesterol63%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)48%
  • Arthritis33%
  • Diabetes29%
  • Chronic kidney disease27%

Hospitals where Sorbarikor Piawah works

Medicare's Facility Affiliation Data lists Sorbarikor Piawah at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050360
  • Novato Community HospitalNovato, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050131
  • UCSF Medical CenterSan Francisco, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050454

Practice locations

Addresses where Sorbarikor Piawah is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sorbarikor Piawah as a member of these groups (CMS data updated October 2, 2026).

  • Sutter Bay Medical Foundation3,829 clinicians in the group
  • University of California San Francisco1,839 clinicians in the group
  • UCSF Medical Group Business Services1,598 clinicians in the group

Specialties

Find other Medical Oncology doctors in California →

Other oncologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All oncologists in California →

Other clinicians in Sutter Bay Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1528471927
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians