Crystal Rose Sophia Alpert, PA-C

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

License

PA20344 Issued in CA

Practice address

110 Tampico
Ste 210
Walnut Creek, CA 94598-2962

Phone

(925) 935-6952

NPI assigned

Jun 11, 2009

Last updated

Mar 4, 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

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

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: calpert71406@ehr.johnmuirhealth.com

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.

• Bass Medical Group

  • Obstetrics & Gynecology Physician
  • Walnut Creek, CA
  • NPI 1174253405
  Medicare reassignment NPD (past)
• Bass Medical Group

  • Podiatrist
  • Walnut Creek, CA
  • NPI 1811479504
  NPD
• Timothy a. Leach MD Inc

  • Specialist
  • Walnut Creek, CA
  • NPI 1306968748
  NPD

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

{
    "created_epoch": "1244678400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741046400000",
    "number": "1821225319",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 TAMPICO",
            "address_2": "STE 210",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982962",
            "telephone_number": "925-935-6952"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 TAMPICO",
            "address_2": "STE 210",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982962",
            "telephone_number": "925-935-6952"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2481 Pacheco St",
            "address_purpose": "LOCATION",
            "city": "Concord",
            "state": "CA",
            "postal_code": "945202019",
            "country_code": "US",
            "telephone_number": "925-680-8933",
            "fax_number": "925-680-7635",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALPERT",
        "first_name": "CRYSTAL",
        "middle_name": "ROSE SOPHIA",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-06-11",
        "last_updated": "2025-03-04",
        "certification_date": "2025-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "CA",
            "license": "PA20344",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mehrnoosh Almassi, MD
• Megan Danielle Aloisio
• Susan Jane Alonso, LCSW
• Erica Alonzo
• Narayah Aloo
• Russell T. Alpert, M.D.
• Alpha Pharmaceutical Inc (CareLink Pharmacy Long Term Care)
• Alpha Pharmaceutical Inc (Carelink Pharmacy)
• Jazz Alsandor
• Rawan Alsarayji

• Medical Physician Assistant in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Medical Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 4, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.