Roshan Bakul Roy

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

A186945 Issued in CA

Practice address

5601 Norris Canyon Rd Ste 340
San Ramon, CA 94583-5407

Phone

(925) 866-8080

NPI assigned

Mar 26, 2020

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Specialty

Internal MedicineAlso: Critical Care (Intensivists)

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Inpatient Specialists of California PCGroup PAC ID 3476864448, 373 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sutter Delta Medical Center Hospital, Antioch, CA, CCN 050523
• Alta Bates Summit Medical Center Hospital, Oakland, CA, CCN 050043

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rroy761869@hisp.ehr.sutterhealth.org
• Direct secure messaging: roshan.roy@hca4.eclinicaldirectplus.com

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.

• Inpatient Specialists of California, PC

  • Internal Medicine Physician
  • San Bernardino, CA
  • NPI 1952792475
  Medicare reassignment Care Compare group NPD
• Washington Township Medical Foundation

  • Internal Medicine Physician
  • Fremont, CA
  • NPI 1346557014

  Critical Care Medicine

  Medicare reassignment NPD
• Washington Township Medical Foundation

  • Urgent Care Clinic/Center
  • Fremont, CA
  • NPI 1669360681
  NPD

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

• Sutter Bay Hospitals

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1295181477
  Care Compare affiliation
• Sutter Bay Hospitals

  • General Acute Care Hospital
  • Antioch, CA
  • NPI 1467808659
  Care Compare affiliation

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

{
    "created_epoch": "1585180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749513600000",
    "number": "1790312734",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5601 NORRIS CANYON RD STE 340",
            "city": "SAN RAMON",
            "state": "CA",
            "postal_code": "945835407"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5601 NORRIS CANYON RD STE 340",
            "city": "SAN RAMON",
            "state": "CA",
            "postal_code": "945835407",
            "telephone_number": "925-866-8080"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROY",
        "first_name": "ROSHAN",
        "middle_name": "BAKUL",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-26",
        "last_updated": "2025-06-10",
        "certification_date": "2025-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "A186945",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alan Carl Roth, MD
• Sharon Gertz Rouillard, N.P.
• Frederick Anderson Rowe III, M.D.
• Roy Medical Assoc Inc
• Bakul T Roy, M.D.
• Tapashi Dev Roy, M.D.,MRCP,FAAP
• Roya Mahmoodi DDS, Inc
• Cabrinna Royal
• RSC Surgery Center, LLC
• Michele Anita Rubenstein, LCSW

• Critical Care Medicine (Internal Medicine) Physician in San Ramon, CA
• Providers in San Ramon, CA by specialty
• Critical Care Medicine (Internal Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 10, 2025; 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.

Verify at the official NPI Registry.