Christiaan P Hallman, M.D.

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

License

A54658 Issued in CA

Practice address

800 Fairmount Ave
Suite 310
Pasadena, CA 91105-3150

Phone

(626) 795-2007

Fax

(626) 795-2012

NPI assigned

Aug 18, 2005

Sex

Male

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Merit-based Incentive Payment System (MIPS)

Final score

80.57 of 100Reported as group

Quality

62.42

Promoting interoperability

76

Improvement activities

40

Cost

76.15

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: christiaan.hallman.p1@direct.lakeside.nextgenshare.com

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.

• Lakeside Medical Organization, a Medical Group Inc.

  • Internal Medicine Physician
  • West Hills, CA
  • NPI 1831426642

  Dermatology

  Medicare reassignment NPD
• Drange Hallman Medical Corporation

  • Endocrinology, Diabetes & Metabolism Physician
  • La Canada, CA
  • NPI 1003829060

  Dermatology

  NPD
• Lakeside Medical Associates, a Medical Group, Inc.

  • Family Medicine Physician
  • North Hollywood, CA
  • NPI 1619975158
  NPD (past)

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

{
    "created_epoch": "1124323200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1154313732",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 FAIRMOUNT AVE",
            "address_2": "SUITE 310",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911053150",
            "telephone_number": "626-795-2007",
            "fax_number": "626-795-2012"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 FAIRMOUNT AVE",
            "address_2": "SUITE 310",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911053150",
            "telephone_number": "626-795-2007",
            "fax_number": "626-795-2012"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HALLMAN",
        "first_name": "CHRISTIAAN",
        "middle_name": "P",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-18",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "CA",
            "license": "A54658",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marnesha Hall
• Peyton Brianna Hall
• Rosalinda Hall
• Tracy Hall
• Tyshianna Hall
• Kristyn Halvorson, MS, LMFT
• Audrey D Ham, PHD
• Chie Hamada
• Stefanie Hamami, MFT
• Victor Hamasaki, M.D.

• Dermatology Physician in Pasadena, CA
• Providers in Pasadena, CA by specialty
• Dermatology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.