Active NPI
Siba Prasad Raychaudhuri, M.D.
- Rheumatology Physician
- Palo Alto, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Rheumatology Physician
- License
- A52869
- Practice address
- 510 Ashton Ave
Palo Alto, CA 94306-3607 - Phone
- (650) 424-9147
- NPI assigned
- Jun 19, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Rheumatology Physician | 207RR0500X | A52869 | CA | Primary |
Addresses
Primary practice location
510 Ashton Ave
Palo Alto, CA 94306-3607
Mailing address
510 Ashton Ave
Palo Alto, CA 94306-3607
Phone (650) 424-9147
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
- Rheumatology
- Education
- Other, 1983
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
3301 C St
Sacramento, CA 95816-3300
Phone (916) 827-7463
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 83.15 of 100
- Quality
- 64.8
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 68.65
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A52869 | CA | MD | Rheumatology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regents of the Univ of Ca | Current | Accepting new patients | |
| Regents of the University of Ca | Current | Accepting new patients | |
| Regents of the Univ of Ca | Current | Accepting new patients | |
| Regents of the Univ of Ca | Past | Accepting new patients | |
| Regents of the Univ of Ca | Past | Accepting new patients |
Locations
643 W East Ave
Chico, CA 95926
Phone (530) 342-0502
2767 Olive Hwy
Oroville, CA 95966
Phone (916) 533-8500
4860 Y St
Ste 400
Sacramento, CA 95817
Phone (916) 734-1482
3301 C St
Sacramento, CA 95816
Phone (916) 734-6111
4860 Y St
Sacramento, CA 95817
Phone (916) 734-2700
2521 Stockton Blvd
Sacramento, CA 95817
Phone (916) 734-1104
4900 Broadway
Ste 2800
Sacramento, CA 95820
Phone (916) 734-9313
Organizations & group practices 5
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Maternal & Fetal Medicine Physician
- Sacramento, CA
- NPI 1013906973
-
- Diagnostic Radiology Physician
- Sacramento, CA
- NPI 1477546406
-
- Pediatric Gastroenterology Physician
- Sacramento, CA
- NPI 1740273762
-
- Surgery Physician
- Sacramento, CA
- NPI 1427041698
-
- Pulmonary Disease Physician
- Sacramento, CA
- NPI 1437142692
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Sacramento, CA
- NPI 1710918545
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1150675200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1821033275",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "510 ASHTON AVE",
"city": "PALO ALTO",
"state": "CA",
"postal_code": "943063607",
"telephone_number": "650-424-9147"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "510 ASHTON AVE",
"city": "PALO ALTO",
"state": "CA",
"postal_code": "943063607",
"telephone_number": "650-424-9147"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RAYCHAUDHURI",
"first_name": "SIBA",
"middle_name": "PRASAD",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-19",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RR0500X",
"taxonomy_group": "",
"desc": "Internal Medicine, Rheumatology",
"state": "CA",
"license": "A52869",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Palo Alto, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.