Andy Chia-Wei Hsi, M.D.

Primary specialty

Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X

License

A149487 Issued in CA

Practice address

1041 E Yorba Linda Blvd Ste 304
Placentia, CA 92870-3751

Phone

(714) 924-7240

Fax

(714) 924-7247

NPI assigned

Feb 2, 2015

Last updated

Jun 2, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, TX2 enrollments

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 2

Specialty

Pathology

Education

Baylor College of Medicine, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

J Robert West MD IncGroup PAC ID 8729990973, 141 clinicians

Csi Medical GroupGroup PAC ID 5890916845, 104 clinicians

PDP of Texas, PLLCGroup PAC ID 2466455050, 61 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

85.34 of 100Reported as group

Quality

90.85

Promoting interoperability

87

Improvement activities

40

Cost

71.11

Merit-based Incentive Payment System (MIPS)

Final score

85.17 of 100Reported as group

Quality

74.51

Promoting interoperability

92

Improvement activities

40

Cost

82.72

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 33)

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Csi Medical Group

  • MOHS-Micrographic Surgery Physician
  • San Pedro, CA
  • NPI 1871909804
  Medicare reassignment Care Compare group NPD
• J Robert West, M.D., Inc

  dba Southern California Dermatology

  • Dermatology Physician
  • Newport Beach, CA
  • NPI 1932154788
  Medicare reassignment Care Compare group NPD
• PDP of Texas, PLLC

  dba Advanced Dermasurgery Associates

  • Dermatology Physician
  • Dallas, TX
  • NPI 1629025739
  Medicare reassignment Care Compare group NPD
• David B. Friedman, MD, Inc

  • Procedural Dermatology Physician
  • Anaheim, CA
  • NPI 1164620795
  NPD
• K. D. Macknet, M.D., Inc.

  dba Loma Linda Dermatology Medical Group

  • Dermatology Physician
  • Loma Linda, CA
  • NPI 1083791644

  Anatomic Pathology & Clinical Pathology

  NPD
• Timothy F. Richardson, M.D., a Medical Corporation

  dba Mirage Dermatology Medical Associates, Inc.

  • Medical Specialty Clinic/Center
  • Palm Desert, CA
  • NPI 1346262375
  NPD
• California Skin Institute, a Medical Corporation

  • Dermatology Physician
  • Mountain View, CA
  • NPI 1154527901
  NPD (past)
• Carlsbad and Vista Dermatology, Inc.

  • Dermatology Physician
  • Vista, CA
  • NPI 1124328505
  NPD (past)
• Lorrie J Klein MD Apc

  • Dermatology Physician
  • Laguna Niguel, CA
  • NPI 1083631808
  NPD (past)
• Apex Dermatopathology LLC

  • Clinical Medical Laboratory
  • Dallas, TX
  • NPI 1215364443
  NPD (past)
• J. Robert West, M.D., Inc

  dba West Dermatology

  • Dermatology Physician
  • Phoenix, AZ
  • NPI 1114567997
  NPD (past)

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

{
    "created_epoch": "1422835200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780358400000",
    "number": "1366832032",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9900 N CENTRAL EXPY STE 500",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752310928",
            "telephone_number": "214-987-3376",
            "fax_number": "469-532-0273"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1041 E YORBA LINDA BLVD STE 304",
            "city": "PLACENTIA",
            "state": "CA",
            "postal_code": "928703751",
            "telephone_number": "714-924-7240",
            "fax_number": "714-924-7247"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4951 Airport Pkwy Ste 590",
            "address_purpose": "LOCATION",
            "city": "Addison",
            "state": "TX",
            "postal_code": "750016642",
            "country_code": "US",
            "telephone_number": "214-987-3376",
            "fax_number": "469-532-0273",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HSI",
        "first_name": "ANDY",
        "middle_name": "CHIA-WEI",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-02-02",
        "last_updated": "2026-06-02",
        "certification_date": "2026-06-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "CA",
            "license": "A149487",
            "primary": true
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "TX",
            "license": "V2104",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hope Care Hospice, Inc
• Emily Horan, CCC-SLP
• Ali Asghar Houshyar, MD
• Bryan C Hoynak, MD
• Tyler Hoyt, ATC
• Felicia Hsu, MD
• Shu Hsu
• Banruo Hu
• Chen Chih Hu
• Amy H Huang

• Anatomic Pathology & Clinical Pathology Physician in Placentia, CA
• Providers in Placentia, CA by specialty
• Anatomic Pathology & Clinical Pathology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 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.