Karen Lisa Pike, M.D

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A60848 Issued in CA

Practice address

2425 Samaritan Drive
San Jose, CA 95124

Phone

(408) 559-2552

NPI assigned

May 24, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Female

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

Emergency Medicine

Education

Georgetown University School of Medicine, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

El Camino Health Medical Network LLCGroup PAC ID 6103115183, 202 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• El Camino Health Hospital, Mountain View, CA, CCN 050308

Merit-based Incentive Payment System (MIPS)

Final score

85.48 of 100Reported as group

Quality

80.12

Promoting interoperability

100

Improvement activities

40

Cost

71.46

Merit-based Incentive Payment System (MIPS)

Final score

96.69 of 100Reported as group

Quality

90

Improvement activities

40

Cost

78.43

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kpike8011@icare.elcaminohospital.org

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.

• El Camino Health Medical Network, LLC

  • Multi-Specialty Clinic/Center
  • San Jose, CA
  • NPI 1164880761
  Medicare reassignment Care Compare group NPD
• Cep America - California

  dba Vituity

  • Emergency Medicine Physician
  • San Francisco, CA
  • NPI 1023063542
  Medicare reassignment NPD
• Cep America - California

  dba Vituity

  • Emergency Medicine Physician
  • Los Gatos, CA
  • NPI 1457306979
  NPD
• Cep America-California

  • Emergency Medicine Physician
  • Murrieta, CA
  • NPI 1588552848
  NPD
• California Emergency Physician Medical Group

  • General Practice Physician
  • Walnut Creek, CA
  • NPI 1962791293
  NPD (past)
• El Camino Health Medical Group

  • Geriatric Medicine (Family Medicine) Physician
  • Los Gatos, CA
  • NPI 1578831764
  NPD (past)

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

• El Camino Hospital

  dba El Camino Health

  • General Acute Care Hospital
  • Mountain View, CA
  • NPI 1093712374
  Care Compare affiliation
• El Camino Hospital

  • General Acute Care Hospital
  • Los Gatos, CA
  • NPI 1417199340
  Care Compare affiliation
• El Camino Hospital

  • General Acute Care Hospital
  • Los Gatos, CA
  • NPI 1457594087
  Care Compare affiliation

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

{
    "created_epoch": "1148428800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1497700553",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2100 POWELL STREET",
            "address_2": "STE 920",
            "city": "EMERYVILLE",
            "state": "CA",
            "postal_code": "946081803",
            "telephone_number": "510-350-2777"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2425 SAMARITAN DRIVE",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "95124",
            "telephone_number": "408-559-2552"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PIKE",
        "first_name": "KAREN",
        "middle_name": "LISA",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-24",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A60848",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joseph Pietromonaco, PHD
• Marissa Pietrowicz, THERAPIST
• Darla J Pietschker, O.T.R.L.
• Alexandria Pignataro
• Kailyr Pike
• Dalia Pimentel
• Dayanara Pimentel
• Geovana Pimentel
• Walter Arimas Pimentel
• Carlos Rogelio Pina

• Emergency Medicine Physician in San Jose, CA
• Providers in San Jose, CA by specialty
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.

Verify at the official NPI Registry.