Marisa Tienyun Smith, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A185755 Issued in CA

Practice address

1100 Veterans Blvd
Redwood City, CA 94063-2037

Phone

(650) 299-2000

NPI assigned

Apr 2, 2018

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

Other names 1

• Marisa Smith Other name

Electronic endpoints 1

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

Wright State University Boonshoft School of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Regents of the University of CaliforniaGroup PAC ID 6406760131, 38 clinicians

Pacific Emergency Providers a Prof CorpGroup PAC ID 1557327608, 24 clinicians

Regents of the University of CaliforniaGroup PAC ID 3577476761, 2,047 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• UC San Diego Health Hillcrest - Hillcrest Med Ctr Hospital, San Diego, CA, CCN 050025
• Scripps Mercy Hospital Hospital, San Diego, CA, CCN 050077
• El Centro Regional Medical Center Hospital, El Centro, CA, CCN 050045

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Pacific Emergency Providers, a Prof. Corp.

  • Emergency Medicine Physician
  • San Diego, CA
  • NPI 1497790539
  Medicare reassignment Care Compare group NPD
• Regents of the University of California

  • Family Medicine Physician
  • San Diego, CA
  • NPI 1578672184

  Emergency Medicine

  Medicare reassignment Care Compare group NPD
• Regents of the University of California

  • Emergency Medicine Physician
  • San Diego, CA
  • NPI 1780870899
  Medicare reassignment Care Compare group NPD
• Regents of the University of California

  • Diagnostic Radiology Physician
  • San Diego, CA
  • NPI 1558463927
  NPD

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

• El Centro Regional Medical Center

  • General Acute Care Hospital
  • El Centro, CA
  • NPI 1861409823
  Care Compare affiliation
• Regents of the University of California

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1184722779
  Care Compare affiliation
• Scripps Health

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1659359446
  Care Compare affiliation

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

{
    "created_epoch": "1522627200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782432000000",
    "number": "1447756259",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1100 VETERANS BLVD",
            "city": "REDWOOD CITY",
            "state": "CA",
            "postal_code": "940632037",
            "telephone_number": "650-299-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 VETERANS BLVD",
            "city": "REDWOOD CITY",
            "state": "CA",
            "postal_code": "940632037",
            "telephone_number": "650-299-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Pasteur Dr",
            "address_purpose": "LOCATION",
            "city": "Stanford",
            "state": "CA",
            "postal_code": "943052200",
            "country_code": "US",
            "telephone_number": "650-723-4000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6655 Alvarado Rd",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921205208",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1415 Ross Ave",
            "address_purpose": "LOCATION",
            "city": "El Centro",
            "state": "CA",
            "postal_code": "922434306",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SMITH",
        "first_name": "MARISA",
        "middle_name": "TIENYUN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-04-02",
        "last_updated": "2026-06-26",
        "certification_date": "2026-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A185755",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnectprodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "1100 Veterans Blvd",
            "city": "Redwood City",
            "state": "CA",
            "country_code": "US",
            "postal_code": "940632037",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MARISA",
            "last_name": "SMITH",
            "credential": "MD, MPH",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Edwin Gary Smith
• Elizabeth Smith
• James Hammond Smith, DO
• Jonathan Smith
• Madeline Smith, OTL
• Mary-Louise Marlene Smith
• Shay Smith, MA, MSED
• Stephen Scott Smith, PHD
• David F. Smolins, MD
• Lawrence T. Smyth, MD

• Emergency Medicine Physician in Redwood City, CA
• Providers in Redwood City, 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 Jun 26, 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.