Sarah Constance Leaf, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A139249 Issued in CA

Practice address

26520 Cactus Ave
Moreno Valley, CA 92555-3927

Phone

(909) 558-4000

NPI assigned

May 6, 2014

Sex

Female

Sole proprietor

Yes

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

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cep America - CaliforniaGroup PAC ID 6103739131, 1,278 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Riverside University Health System-Medical Center Hospital, Moreno Valley, CA, CCN 050292

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

• FHIR API: https://api.platform.athenahealth.com/14272/brand/70/csg/1/fhir/r4

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.

• Cep America - California

  • Emergency Medicine Physician
  • San Francisco, CA
  • NPI 1023063542
  Medicare reassignment Care Compare group NPD
• Faculty Physicians and Surgeons of Llusm

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Apple Valley, CA
  • NPI 1205009917
  Medicare reassignment NPD
• Santa Ana Physicians Group, PC

  • Emergency Medicine Physician
  • Indio, CA
  • NPI 1831592187
  Medicare reassignment NPD
• Cep America - California

  • Emergency Medicine Physician
  • Palm Springs, CA
  • NPI 1124073648
  NPD
• Cep America-California

  • Emergency Medicine Physician
  • Murrieta, CA
  • NPI 1588552848
  NPD
• Faculty Physicians and Surgeons of Llusm

  • Pediatrics Physician
  • Loma Linda, CA
  • NPI 1477503407

  Emergency Medicine

  NPD
• Faculty Physicians and Surgeons of Llusm

  • Family Medicine Physician
  • Moreno Valley, CA
  • NPI 1558788331
  NPD
• Hawaii Emergency Physicians Associated Inc

  • Emergency Medicine Physician
  • Kailua, HI
  • NPI 1801843198
  NPD
• Midpacific Hospitalists LLC

  • Internal Medicine Physician
  • Kailua, HI
  • NPI 1053778217
  NPD (past)

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

• County of Riverside

  • General Acute Care Hospital
  • Moreno Valley, CA
  • NPI 1821159195
  Care Compare affiliation

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

{
    "created_epoch": "1399334400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1487064861",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3015 LA TRAVESIA DR",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928351419",
            "telephone_number": "714-742-9063"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "26520 CACTUS AVE",
            "city": "MORENO VALLEY",
            "state": "CA",
            "postal_code": "925553927",
            "telephone_number": "909-558-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEAF",
        "first_name": "SARAH",
        "middle_name": "CONSTANCE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2014-05-06",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A139249",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joshua Le
• Kenny Phuc Le, DO
• Monica Le, DO
• Tyler Richard Leach, DO
• Leaders Acquiring Businesses
• Hollis Lee Leary, LMFC 50680
• Lecoma LLC
• Mireya Matilde Ledesma
• Lee & Paik, DDS., Inc
• Ashleigh Lee

• Emergency Medicine Physician in Moreno Valley, CA
• Providers in Moreno Valley, 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 Sep 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.