Charles Michael Shumaker IV, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A180338 Issued in CA

Practice address

1200 N State Street
Clinic Tower, Suite A7D
Los Angeles, CA 90033-1029

Phone

(323) 409-7556

NPI assigned

Mar 21, 2019

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

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

Internal Medicine

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cshumaker749375@direct.memorialcare.org

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.

• Healthcare Partners Affiliates Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment Care Compare group NPD
• Healthcare Partners Affiliates Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Healthcare Partners Affiliates Medical Group

  • Addiction Medicine (Internal Medicine) Physician
  • Tustin, CA
  • NPI 1891981502
  NPD

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

{
    "created_epoch": "1553126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771632000000",
    "number": "1841750338",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1200 N STATE STREET",
            "address_2": "CLINIC TOWER, SUITE A7D",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900331029"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 N STATE STREET",
            "address_2": "CLINIC TOWER, SUITE A7D",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900331029",
            "telephone_number": "323-409-7556"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2801 Atlantic Ave",
            "address_purpose": "LOCATION",
            "city": "Long Beach",
            "state": "CA",
            "postal_code": "908061701",
            "country_code": "US",
            "telephone_number": "562-426-3333",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SHUMAKER",
        "first_name": "CHARLES",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "name_suffix": "IV",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-21",
        "last_updated": "2026-02-21",
        "certification_date": "2026-02-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A180338",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ivan Shulman, MD
• Melissa Shulman
• Jennifer Shultz, PSY.D.
• Carol Kim Shum
• Jia-Yin Shum, PHARM.D.
• Katharine Malia Shumaker
• Elizabeth Ann Shuman, MD
• Leslie Gale Shuman, LCSW
• Rick Shuman, RICK SHUMAN,PH.D.
• Tara Joy Shuman, PSY.D.

• Internal Medicine Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 21, 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.