Mark Samuel Katsma, DO

Primary specialty

Pediatric Orthopaedic Surgery PhysicianTaxonomy code 207XP3100X

License

20A19988 Issued in CA

Practice address

34800 Bob Wilson Dr
San Diego, CA 92134-1098

Phone

(619) 532-8488

NPI assigned

Apr 11, 2017

Last updated

Oct 3, 2025By 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

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

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.

• Rady Children's Hospital San Diego

  dba Rady Children's Specialists of San Diego, A Medical Foundation

  • Pediatrics Physician
  • San Diego, CA
  • NPI 1669617197
  Medicare reassignment
• Marilyn Kaufhold, M.D., a Medical Corporation

  • Children's Hospital
  • San Diego, CA
  • NPI 1336359389
  NPD (past)

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

{
    "created_epoch": "1491868800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759449600000",
    "number": "1326571969",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3020 CHILDRENS WAY # MC5003",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921234223",
            "telephone_number": "858-309-6300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "34800 BOB WILSON DR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921341098",
            "telephone_number": "619-532-8488"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3030 Childrens Way",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921234232",
            "country_code": "US",
            "telephone_number": "858-966-6789",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KATSMA",
        "first_name": "MARK",
        "middle_name": "SAMUEL",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-04-11",
        "last_updated": "2025-10-03",
        "certification_date": "2025-10-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "20A19988",
            "primary": false
        },
        {
            "code": "207XP3100X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Pediatric Orthopaedic Surgery",
            "state": "CA",
            "license": "20A19988",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kazuhiro Kato, DDS
• Diya Prashant Katre
• Katrina E Woodhall, MD and Associates, a Professional Medical
• Svetlana Katsev, M.D.
• Theodoros Fotiou Katsivas, MD
• Lea E Katt, APCC
• Subhashini Katumuluwa, M.D.
• Alyson Leigh Katz
• Brandon Jason Katz, MD
• Crystal Duncan Katz, M.D.

• Pediatric Orthopaedic Surgery Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Pediatric Orthopaedic Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 3, 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.