NPPES file of Aug 9, 2026

Sorbarikor Piawah, M.D.

Hematology & Oncology Physician · Novato, CA

Sorbarikor Piawah, M.D. is a hematology & oncology physician with a practice address in Novato, California, and NPI 1528471927, issued on Jun 4, 2014. Check the license (California A149915, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528471927
Name
Sorbarikor Piawah
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A149915 CA
Self-reported in NPPES; status is on the state search
Practice location
165 Rowland Way, Novato, CA 94945
Phone
(415) 600-0110
Enumerated
Jun 4, 2014
Record last updated
May 18, 2026
Medicare enrollment
Enrolled (PECOS I20190716003329); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2014
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 165 Rowland Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cristie Bennett, P.T.Physical Medicine & Rehabilitation Physician1104153360
  2. Ole Borgesen, PTOrthopedic Physical Therapist1043413230
  3. Miguel Delgado, M.D.Specialist1376578591
  4. Paige Graziano, MPTOrthopedic Physical Therapist1972530723
  5. Winthrop Hall, MDOtolaryngology Physician1871662437
  6. Susan Hollander, N.P.Nurse Practitioner1447469440

Verify Sorbarikor Piawah in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A149915
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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88% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

108 Medicare Part D claims for 21 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Sorbarikor Piawah108
  2. Specialty average877

Most prescribed

  1. Ondansetron Hcl24 claims
  2. Eliquis14 claims
  3. Prochlorperazine Maleate13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Ucsf Medical Group Business ServicesSan Francisco, CA
  2. University OF California San FranciscoSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sorbarikor Piawah among 1,583 hematology & oncology physician records in California

Sorbarikor Piawah, M.D. is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.

  • NPI issued2014 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2014 · median 2003 among the 1,124 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Shaninder Kaur, M.D.Novato, CA 949451558467845
  2. Robert Mass, MDMill Valley, CA 949411386086460
  3. Alan Pryor, M.D.Novato, CA 949491275699480
  4. Frank Valone, MDMill Valley, CA 949411447917687
  5. Thomas Stanton, M.D.Petaluma, CA 949541699855445
  6. David Lakes, MDSan Anselmo, CA 949601558445536
  7. Brian Lewis, MDSan Anselmo, CA 949601467530089
  8. Karen Mercola, MDStinson Beach, CA 949701225035884

Common questions

What is Sorbarikor Piawah, M.D.'s NPI number?

Sorbarikor Piawah, M.D.'s National Provider Identifier (NPI) is 1528471927, issued on Jun 4, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Sorbarikor Piawah, M.D. located?

The NPPES record lists a practice address at 165 Rowland Way, Novato, CA, 94945. Phone: (415) 600-0110. Providers update this record themselves, so call before visiting.

How can I verify Sorbarikor Piawah, M.D.'s license?

NPPES lists California license number A149915, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sorbarikor Piawah, M.D. prescribe under Medicare Part D?

In 2024, Sorbarikor Piawah, M.D. had 108 Medicare Part D claims for 21 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Sorbarikor Piawah, M.D.'s MIPS final score?

The 2023 MIPS final score is 74.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.