Individual provider Active NPI

Nivin Porwal

  • Physical Medicine & Rehabilitation Physician
  • Fremont, CA
National Provider Identifier
1609222546
Registry record updated Aug 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X
License
18913 Issued in CA
Practice address
38690 Stivers St Ste a
Fremont, CA 94536-5276
Phone
(614) 256-1951
NPI assigned
May 10, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Medicine & Rehabilitation Physician 208100000X 18913 CA Primary

Addresses

Primary practice location

38690 Stivers St Ste a
Fremont, CA 94536-5276

Mailing address

38590 Stivers St, Suite a
Fremont, CA 94536
Phone (614) 256-1951

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210706000477 CA Practitioner - Physical Medicine and Rehabilitation 5799059028 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physical Medicine and Rehabilitation
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Alameda Health SystemGroup PAC ID 3779494521, 597 clinicians

Practice addresses (Care Compare)

1411 E 31St St
Oakland, CA 94602-1018
Phone (510) 437-4800

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
95.17 of 100Reported as group
Quality
86.93
Promoting interoperability
100
Improvement activities
40
Cost
72.6

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

Practice roles

OrganizationSpecialtyStatusNew patients
West Coast Health and Rehab PC Physical Medicine & Rehabilitation CurrentSince Jun 22, 2021 Accepting new patients
Alameda Health System CurrentSince Mar 21, 2022 Accepting new patients
Alameda Health System CurrentSince Mar 21, 2022 Accepting new patients
Alameda Health System Current Accepting new patients
Alameda Health System Past Accepting new patients
Eden Medical Center/San Leandro Hospital Campus Past Accepting new patients

Locations

2070 Clinton Ave
Alameda, CA 94501
Phone (510) 522-3700

3900 Garfield Ave
Carmichael, CA 95608
Phone (916) 481-6455

2415 S Western Ave
Los Angeles, CA 90018
Phone (323) 734-1101

6066 Civic Terrace Ave
Newark, CA 94560
Phone (510) 505-1600

6955 Foothill Blvd
Ste 200
Oakland, CA 94605
Phone (510) 567-5700

1411 E 31st St
Oakland, CA 94602
Phone (510) 437-4323

3688 Nye Ave
Riverside, CA 92505
Phone (951) 351-2800

13855 E 14th St
San Leandro, CA 94578
Phone (510) 357-6500

Interoperability endpoints

  • Direct secure messaging: nporwal573482@direct.hfhs.org
  • Direct secure messaging: nporwal86992@alamedahs.direct-ci.com

Organizations & group practices 6

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.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1462838400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1609222546",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "38590 STIVERS ST, SUITE A",
            "city": "FREMONT",
            "state": "CA",
            "postal_code": "94536",
            "telephone_number": "614-256-1951"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "38690 STIVERS ST STE A",
            "city": "FREMONT",
            "state": "CA",
            "postal_code": "945365276",
            "telephone_number": "614-256-1951"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PORWAL",
        "first_name": "NIVIN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-05-10",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "CA",
            "license": "18913",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fremont, CA

Sources for this page

Verify at the official NPI Registry.