Active NPI
Nitin Tandan
- Cardiovascular Disease Physician
- Castro Valley, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- A196522
- Practice address
- 20130 Lake Chabot Rd Ste 307
Castro Valley, CA 94546-5340 - Phone
- (510) 204-8383
- NPI assigned
- May 12, 2017
- Last updated
- Jan 7, 2026
- 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 |
|---|---|---|---|---|
| Cardiovascular Disease Physician | 207RC0000X | A196522 | CA | Primary |
Addresses
Primary practice location
20130 Lake Chabot Rd Ste 307
Castro Valley, CA 94546-5340
Mailing address
PO Box 276950
Sacramento, CA 95827-6950
Phone (510) 204-8383
Other practice location 1
344 Stanhope St
Apt 3
Brooklyn, NY 11237-4434
Phone (510) 673-3832
Other practice location 2
701 N 1st St
Springfield, IL 62781-4434
Phone (217) 788-3000
Other practice location 3
751 N Rutledge St Ste 1100
Springfield, IL 62702-4968
Phone (217) 545-8000
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
- Cardiovascular Disease (Cardiology)
- Education
- Other, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
12 Camino Encinas
Orinda, CA 94563-3304
Phone (510) 204-8180
16130 Juan Hernandez Dr
Suite 100
Morgan Hill, CA 95037-5541
Phone (408) 871-3400
20101 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone (510) 886-3400
20103 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone (510) 727-3256
20130 Lake Chabot Rd
Castro Valley, CA 94546-5340
2500 Milvia St
Berkeley, CA 94704-2636
Phone (510) 204-5600
3100 Telegraph Ave
Oakland, CA 94609-3239
Phone (510) 204-8290
3200 Kearney St
Fremont, CA 94538-2299
Phone (510) 490-1222
350 30TH St
Suite 100
Oakland, CA 94609-3422
Phone (510) 204-8290
350 Hawthorne Ave
Oakland, CA 94609-3108
Phone (510) 655-4000
365 Hawthorne Ave
Oakland, CA 94609-3115
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 85.48 of 100
- Quality
- 80.12
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 71.46
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A196522 | CA | MD | Cardiovascular Disease Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sutter Bay Medical Foundation | Current | Accepting new patients | |
| El Camino Health Medical Network, LLC | Current | Accepting new patients | |
| Sutter Bay Medical Foundation | Current | Accepting new patients | |
| El Camino Health Medical Group | Past | Accepting new patients | |
| Sutter East Bay Medical Foundation | Past | Accepting new patients |
Locations
18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590
350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920
20130 Lake Chabot Rd
Ste 307
Castro Valley, CA 94546
Phone (510) 690-9360
1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100
3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800
1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777
370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200
815 Pollard Rd
Los Gatos, CA 95032
Phone (408) 378-6131
973 University Ave
Los Gatos, CA 95032
Phone (408) 278-3003
600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755
16130 Juan Hernandez Dr
Ste 100
Morgan Hill, CA 95037
Phone (408) 412-8100
101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200
350 30th St
Ste 411
Oakland, CA 94609
Phone (510) 204-8168
795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832
1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911
151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 780-0110
3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847
625 Lincoln Ave
San Jose, CA 95126
Phone (408) 278-3003
123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200
3883 Airway Dr
Ste 220
Santa Rosa, CA 95403
Phone (707) 521-7750
10200 Trinity Pkwy
Ste 101
Stockton, CA 95219
Phone (209) 323-3488
550 S Green Valley Rd
Watsonville, CA 95076
Phone (831) 458-5865
Interoperability endpoints
- ntandan185569@icare.elcaminohospital.org
- ntandan742928@hisp.ehr.sutterhealth.org
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Multi-Specialty Clinic/Center
- San Jose, CA
- NPI 1164880761
-
dba Palo Alto Medial Foundation
- Multi-Specialty Clinic/Center
- Palo Alto, CA
- NPI 1013950807
-
dba Palo Alto Medical Foundation
- Clinical Medical Laboratory
- Santa Clara, CA
- NPI 1669287033
-
- Geriatric Medicine (Family Medicine) Physician
- Los Gatos, CA
- NPI 1578831764
-
- Clinical Medical Laboratory
- Berkeley, CA
- NPI 1831381623
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba El Camino Health
- General Acute Care Hospital
- Mountain View, CA
- NPI 1093712374
-
- General Acute Care Hospital
- Los Gatos, CA
- NPI 1417199340
-
- General Acute Care Hospital
- Los Gatos, CA
- NPI 1457594087
-
dba Eden Medical Center
- General Acute Care Hospital
- Castro Valley, CA
- NPI 1063812907
-
dba Alta Bates Summit Medical Center - Summit Campus
- General Acute Care Hospital
- Oakland, CA
- NPI 1295181477
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1494547200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1767744000000",
"number": "1346777026",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 276950",
"city": "SACRAMENTO",
"state": "CA",
"postal_code": "958276950",
"telephone_number": "510-204-8383"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "20130 LAKE CHABOT RD STE 307",
"city": "CASTRO VALLEY",
"state": "CA",
"postal_code": "945465340",
"telephone_number": "510-204-8383"
}
],
"practiceLocations": [
{
"address_1": "344 Stanhope St",
"address_2": "Apt 3",
"address_purpose": "LOCATION",
"city": "Brooklyn",
"state": "NY",
"postal_code": "112374434",
"country_code": "US",
"telephone_number": "510-673-3832",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "701 N 1st St",
"address_purpose": "LOCATION",
"city": "Springfield",
"state": "IL",
"postal_code": "627814434",
"country_code": "US",
"telephone_number": "217-788-3000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "751 N Rutledge St Ste 1100",
"address_purpose": "LOCATION",
"city": "Springfield",
"state": "IL",
"postal_code": "627024968",
"country_code": "US",
"telephone_number": "217-545-8000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TANDAN",
"first_name": "NITIN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2017-05-12",
"last_updated": "2026-01-07",
"certification_date": "2026-01-07",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "CA",
"license": "A196522",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Castro Valley, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 7, 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.