Calvin Chih-Chia Wu, M.D.

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

A122403 Issued in CA

Practice address

330 N Brand Blvd Ste 700
Glendale, CA 91203-2336

Phone

(917) 382-0901

NPI assigned

Mar 21, 2012

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 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

Endocrinology

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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 and National Provider Directory roles.

• Codex Medical Group PC

  • Endocrinology, Diabetes & Metabolism Physician
  • Palo Alto, CA
  • NPI 1912843509
  Medicare reassignment NPD
• Tono Medical Services PC

  • Dermatology Physician
  • San Diego, CA
  • NPI 1477244671
  Medicare reassignment NPD
• Leonard Doberne, M.D.

  • Endocrinology, Diabetes & Metabolism Physician
  • Mountain View, CA
  • NPI 1558447847
  Medicare reassignment
• Carbon Health Medical Group of California PC

  • Urgent Care Clinic/Center
  • Berkeley, CA
  • NPI 1417294232
  NPD (past)
• County of Santa Clara

  • General Acute Care Hospital
  • San Jose, CA
  • NPI 1063406551
  NPD (past)
• Tono Medical Services P.C.

  • Dermatology Physician
  • Brooklyn, NY
  • NPI 1518612811
  NPD (past)

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

{
    "created_epoch": "1332288000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751328000000",
    "number": "1659646891",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "342 5TH AVE APT 3",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941182340",
            "telephone_number": "415-254-2834",
            "fax_number": "347-745-3846"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 N BRAND BLVD STE 700",
            "city": "GLENDALE",
            "state": "CA",
            "postal_code": "912032336",
            "telephone_number": "917-382-0901"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WU",
        "first_name": "CALVIN",
        "middle_name": "CHIH-CHIA",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-03-21",
        "last_updated": "2025-07-01",
        "certification_date": "2025-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "CA",
            "license": "A122403",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "SID # 113813",
            "identifier": "113813",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Wound Care Solutions of California
• Ava Liliana Woyno
• Vincent Alexander Wozniak Sr., RN
• Robert James Wright III
• Wilda L Wright, PHARMD
• Helen M. Wu, MD
• James Chouming Wu, MD
• Julie Wu
• Rachel Chingyin Wu, O.D.
• Sandy Wu, OTR/L

• Endocrinology, Diabetes & Metabolism Physician in Glendale, CA
• Providers in Glendale, CA by specialty
• Endocrinology, Diabetes & Metabolism Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 1, 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.