Active NPI
Sorbarikor Piawah, M.D.
- Hematology & Oncology Physician
- Novato, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- A149915
- Practice address
- 165 Rowland Way
Novato, CA 94945-5038 - Phone
- (415) 600-0110
- NPI assigned
- Jun 4, 2014
- Last updated
- May 18, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A149915 | CA | |
| Hematology & Oncology Physician | 207RH0003X | A149915 | CA | Primary |
Addresses
Primary practice location
165 Rowland Way
Novato, CA 94945-5038
Mailing address
20 Parsons St
San Francisco, CA 94118-4116
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Medical Oncology
- Education
- Harvard Medical School, 2014
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
165 Rowland Way
Suite 201
Novato, CA 94945-5055
Phone (415) 600-1817
400 Parnassus Ave
San Francisco, CA 94143-2202
Phone (415) 476-1000
400 Parnassus Ave
McB300
San Francisco, CA 94143-0810
Phone (415) 476-1000
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 87.01 of 100
- Quality
- 86.78
- Improvement activities
- 40
- Cost
- 70.46
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.89 of 100
- Quality
- 81.13
- Improvement activities
- 40
- Cost
- 71.5
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A149915 | CA | MD | Hematology & Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University of California San Francisco | Internal Medicine | Current | Accepting new patients |
| UCSF Medical Group Business Services | Current | Accepting new patients | |
| UCSF Medical Group Business Services | Internal Medicine | Current | Accepting new patients |
| University of California San Francisco | Current | Accepting new patients | |
| Regents of the University of California | Internal Medicine | Current | Accepting new patients |
| University of California San Francisco | Current | Accepting new patients | |
| University of California San Francisco Medical Center | Past | Accepting new patients | |
| Regents of the University of California | Past | Accepting new patients | |
| UCSF Medical Center at Mt. Zion | Past | Accepting new patients | |
| University of California San Francisco | Past | Accepting new patients |
Locations
1825 4th St
Fl Oor
San Francisco, CA 94143
2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444
3333 California St
#S110
San Francisco, CA 94118
Phone (415) 514-2664
400 Parnassus Ave
San Francisco, CA 94143
Phone (415) 353-2000
400 Parnassus Ave
#300
San Francisco, CA 94143
Phone (415) 476-3131
400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000
505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058
Organizations & group practices 11
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Internal Medicine Physician
- San Francisco, CA
- NPI 1477624104
-
dba UCSF Pediatrics Group
- Pediatrics Physician
- San Francisco, CA
- NPI 1861578973
-
dba Palo Alto Medial Foundation
- Multi-Specialty Clinic/Center
- Palo Alto, CA
- NPI 1013950807
-
dba UCSF Dept of Medicine General Medicine
- Internal Medicine Physician
- San Francisco, CA
- NPI 1760552343
-
dba UCSF Orthotic and Prosthetic Center - Gateway Medical Building
- Health Service Clinic/Center
- San Francisco, CA
- NPI 1194115246
-
dba UCSF Medical Center
- Internal Medicine Physician
- San Francisco, CA
- NPI 1164512851
-
dba UCSF Outpatient Pharmacy at Parnassus
- Community/Retail Pharmacy
- San Francisco, CA
- NPI 1659141711
-
dba UCSF Department of Medicine Rheumatology
- Rheumatology Physician
- San Francisco, CA
- NPI 1881763597
-
- Critical Access Hospital
- San Francisco, CA
- NPI 1952515975
-
dba UCSF Medical Center Adult Chronic Dialysis
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- San Francisco, CA
- NPI 1992818256
-
dba UCSF Medical Center
- General Acute Care Hospital
- San Francisco, CA
- NPI 1144325440
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Greenbrae, CA
- NPI 1396725677
-
- General Acute Care Hospital
- Novato, CA
- NPI 1104059153
-
dba UCSF Medical Center
- General Acute Care Hospital
- San Francisco, CA
- NPI 1689772592
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1401840000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779062400000",
"number": "1528471927",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "20 PARSONS ST",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941184116"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "165 ROWLAND WAY",
"city": "NOVATO",
"state": "CA",
"postal_code": "949455038",
"telephone_number": "415-600-0110"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PIAWAH",
"first_name": "SORBARIKOR",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2014-06-04",
"last_updated": "2026-05-18",
"certification_date": "2026-05-18",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A149915",
"primary": false
},
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "CA",
"license": "A149915",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Novato, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 18, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.