Samantha Michelle Chan Buffington, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

95010633 Issued in CA

Practice address

18080 Imperial Hwy
Yorba Linda, CA 92886-3436

Phone

(714) 961-1054

NPI assigned

Aug 18, 2020

Last updated

Nov 24, 2025By 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

Other names 1

• Samantha Michelle Chan Former name

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Minuteclinic Diagnostic Medical Group of Orange County IncGroup PAC ID 5991868929, 30 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

75.98 of 100Reported as group

Quality

66.36

Improvement activities

40

Cost

81.59

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359

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.

• Minuteclinic Diagnostic Medical Group of Orange County Inc

  • Nurse Practitioner
  • Irvine, CA
  • NPI 1104013879

  Family

  Medicare reassignment Care Compare group NPD
• Minuteclinic Diagnostic Medical Group of California Inc

  • Family Nurse Practitioner
  • Burbank, CA
  • NPI 1033309372
  Medicare reassignment NPD
• Minuteclinic Primary Care California

  • Family Nurse Practitioner
  • Irvine, CA
  • NPI 1083421614
  Medicare reassignment NPD
• Minuteclinic Diagnostic Medical Group of San Diego Inc

  • Family Nurse Practitioner
  • El Cajon, CA
  • NPI 1568659233
  Medicare reassignment

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

{
    "created_epoch": "1597708800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763942400000",
    "number": "1629680087",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18080 IMPERIAL HWY",
            "city": "YORBA LINDA",
            "state": "CA",
            "postal_code": "928863436"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18080 IMPERIAL HWY",
            "city": "YORBA LINDA",
            "state": "CA",
            "postal_code": "928863436",
            "telephone_number": "714-961-1054"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BUFFINGTON",
        "first_name": "SAMANTHA",
        "middle_name": "MICHELLE CHAN",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-08-18",
        "last_updated": "2025-11-24",
        "certification_date": "2025-11-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95010633",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SAMANTHA",
            "last_name": "CHAN",
            "middle_name": "MICHELLE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jennifer Brewer
• Kyle Brandon Brown, DPT
• Jessica Elizabeth Brownrigg, RN, NP
• Judith Labreche Brubaker, PT
• Carl William Buckhorn, M.D.
• Ai-Vy H Bui, DO
• Melissa Warner Burnett, MA, CCC-SLP
• Joel B Burnham, DDS
• Brooke Butler-Angaga, LMFT
• Patricia Kendrick Buttkus, LCSW

• Family Nurse Practitioner in Yorba Linda, CA
• Providers in Yorba Linda, CA by specialty
• Family Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 24, 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.