Ronak Patel, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

A157379 Issued in CA

Practice address

177 La Casa Via Ste 390
Walnut Creek, CA 94598-6101

Phone

(925) 692-5610

NPI assigned

Mar 18, 2017

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

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

Hematology/Oncology

Education

University of Miami, LM Miller School of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

John Muir Physician NetworkGroup PAC ID 6608789813, 488 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Prohealth Home Care, Inc Hospice, Walnut Creek, CA, CCN 551641
• Prohealth Home Care, Inc. Hospice, Sacramento, CA, CCN 921588
• Prohealth Home Care, Inc Hospice, Stockton, CA, CCN 751564
• Prohealth Home Care, Inc Hospice, San Jose, CA, CCN 551561
• John Muir Medical Center - Concord Campus Hospital, Concord, CA, CCN 050496
• John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180
• San Ramon Regional Medical Center Hospital, San Ramon, CA, CCN 050689
• Contra Costa Regional Medical Center Hospital, Martinez, CA, CCN 050276

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rpatel163892@ehr.johnmuirhealth.com
• Direct secure messaging: rpatel668151@hisp.ehr.sutterhealth.org

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.

• John Muir Physician Network

  • General Practice Physician
  • Walnut Creek, CA
  • NPI 1841407665
  Medicare reassignment Care Compare group NPD
• Healthcare Partners Affiliates Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment NPD
• Healthcare Partners Affiliates Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• John Muir Health

  • Rehabilitation Hospital Unit
  • Walnut Creek, CA
  • NPI 1447269303
  NPD (past)
• John Muir Health

  • General Acute Care Hospital
  • Concord, CA
  • NPI 1801821376
  NPD (past)

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

• Contra Costa County

  • General Acute Care Hospital
  • Martinez, CA
  • NPI 1386719086
  Care Compare affiliation
• John Muir Health

  • General Acute Care Hospital
  • Walnut Creek, CA
  • NPI 1740215219
  Care Compare affiliation
• John Muir Health

  • General Acute Care Hospital
  • Concord, CA
  • NPI 1801821376
  Care Compare affiliation
• Prohealth Home Care Inc

  • Community Based Hospice Care Agency
  • Sacramento, CA
  • NPI 1497284145
  Care Compare affiliation
• Prohealth Home Care Inc

  • Home Health Agency
  • Walnut Creek, CA
  • NPI 1689943243

  Hospice

  Care Compare affiliation
• Prohealth Home Care, Inc

  • Home Health Agency
  • Sacramento, CA
  • NPI 1215375175

  Hospice

  Care Compare affiliation
• Prohealth Home Care, Inc

  • Home Health Agency
  • Stockton, CA
  • NPI 1538507587

  Hospice

  Care Compare affiliation
• Prohealth Home Care, Inc.

  • Home Health Agency
  • San Jose, CA
  • NPI 1255531570

  Hospice

  Care Compare affiliation
• San Ramon Regional Medical Center, LLC

  • General Acute Care Hospital
  • San Ramon, CA
  • NPI 1932131489
  Care Compare affiliation

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

{
    "created_epoch": "1489795200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764028800000",
    "number": "1255872602",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1450 TREAT BLVD # 300",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945972168",
            "telephone_number": "925-952-2828"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "177 LA CASA VIA STE 390",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945986101",
            "telephone_number": "925-692-5610"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PATEL",
        "first_name": "RONAK",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-18",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "A157379",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mandakini Hersh Patel, M.D.
• Meetal V Patel, PA-C
• Nilam Patel
• Nisha Patel, DPM
• Priti H Patel, M.D.
• Sachin Patel, D.D.S
• Sachin Patel
• Sandeep B. Patel, DPM
• Saurabh Patel, M.D.
• Tim J Patel, D.D.S

• Hematology & Oncology Physician in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Hematology & Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 25, 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.