NPIMap

Individual provider Active NPI

John O'Brien Clarke III, M.D.

  • Gastroenterology Physician
  • Palo Alto, CA
National Provider Identifier
1467539643
Registry record updated Apr 28, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
C143081 Issued in CA
Practice address
300 Pasteur Dr
Palo Alto, CA 94304-2203
Phone
(650) 723-4000
NPI assigned
Nov 1, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 28, 2024

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D58832 MD
Internal Medicine Physician 207R00000X C143081 CA
Gastroenterology Physician 207RG0100X D58832 MD
Hospitalist Physician 208M00000X D58832 MD
Gastroenterology Physician 207RG0100X C143081 CA Primary

Addresses

Primary practice location

300 Pasteur Dr
Palo Alto, CA 94304-2203

Mailing address

300 Pasteur Dr
Palo Alto, CA 94304-2203
Phone (650) 723-4000

Other practice location 1

600 N Wolfe St
Baltimore, MD 21287-0005
Phone (410) 955-9696

Other practice location 2

600 N Wolfe St
Baltimore, MD 21287-0005
Phone (410) 955-9696

Other identifiers 3

IdentifierTypeStateIssuer
411750600MedicaidMD
105367OtherMDAMERIGROUP
240553OtherMDKAISER

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20160819000945 CA Practitioner - Gastroenterology 2264523398 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
University of Missouri, Columbia School of Medicine, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

170 Alameda de Las Pulgas
Redwood City, CA 94062-2751
Phone (650) 369-5811

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

420 Broadway St
Redwood City, CA 94063-3132
Phone (650) 723-4000

450 Broadway St
Redwood City, CA 94063-3132
Phone (650) 723-4000

5800 Hollis St
Emeryville, CA 94608-2016
Phone (510) 806-2100

Hospital & facility affiliations

  • Stanford Health Care Hospital, Stanford, CA, CCN 050441

Merit-based Incentive Payment System (MIPS)

Final score
88.53 of 100Reported as group
Quality
87.08
Promoting interoperability
100
Improvement activities
40
Cost
69.51

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy45
Upper gastrointestinal (GI) endoscopy for acid reflux299

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
C143081CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care Internal Medicine Current Accepting new patients
Stanford Health Care CurrentSince Jun 29, 2016 Accepting new patients
Stanford Health Care CurrentSince Jun 29, 2016 Accepting new patients
Greater Baltimore Medical Center, Inc. Past Accepting new patients
Stanford Hospital and Clinics Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Lucile Salter Packard Children'S Hospital at Stanford Past Accepting new patients
LPCH Medical Group Div of Lucile Past Accepting new patients

Locations

900 Blake Wilbur Dr
Palo Alto, CA 94304
Phone (650) 498-6004

1804 Embarcadero Rd
Ste 100
Palo Alto, CA 94303
Phone (650) 497-9067

730 Welch Rd
Palo Alto, CA 94304
Phone (650) 723-4800

300 Pasteur Dr
Palo Alto, CA 94304
Phone (650) 723-6469

450 Broadway St
Redwood City, CA 94063
Phone (650) 723-5643

450 Broadway St
#D
Redwood City, CA 94063
Phone (650) 736-5555

450 Broadway St
Fl 2
Redwood City, CA 94063
Phone (650) 498-3931

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

Interoperability endpoints

  • Direct secure messaging: jclarke165400@direct.stanfordhealthcare.org

Organizations & group practices 8

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.

Hospital & facility affiliations 7

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": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1714262400000",
    "number": "1467539643",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943042203",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943042203",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "600 N Wolfe St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212870005",
            "country_code": "US",
            "telephone_number": "410-955-9696",
            "fax_number": "410-614-7631",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "600 N Wolfe St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212870005",
            "country_code": "US",
            "telephone_number": "410-955-9696",
            "fax_number": "410-614-7631",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CLARKE",
        "first_name": "JOHN",
        "middle_name": "O'BRIEN",
        "name_suffix": "III",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-01",
        "last_updated": "2024-04-28",
        "certification_date": "2024-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D58832",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "C143081",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MD",
            "license": "D58832",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MD",
            "license": "D58832",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "C143081",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "411750600",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERIGROUP",
            "identifier": "105367",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KAISER",
            "identifier": "240553",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.