Individual provider Active NPI

Sieghart H Ponhold, M.D

  • Family Medicine Physician
  • Norwalk, CA
National Provider Identifier
1891883955
Registry record updated Sep 20, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
A35148 Issued in CA
Practice address
13132 Studebaker Rd
Ste 10
Norwalk, CA 90650-2576
Phone
(562) 474-8877
Fax
(562) 474-8879
NPI assigned
Oct 11, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 20, 2018

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X A35148 CA Primary

Addresses

Primary practice location

13132 Studebaker Rd
Ste 10
Norwalk, CA 90650-2576

Mailing address

13132 Studebaker Rd
Ste 10
Norwalk, CA 90650-2576
Phone (562) 470-7500

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20060130000926 CA Practitioner - Family Practice 0143234013 Reassigns benefits to 4 organizations
Practice locations: Norwalk, CA

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A35148CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ridgecrest Medical Group Inc Family Medicine CurrentSince Sep 1, 2025 Accepting new patients
Reviva Wound Care Specialists Family Medicine CurrentSince Jun 1, 2025 Accepting new patients
Caring Touch Wound Care Family Medicine CurrentSince Dec 10, 2025 Accepting new patients
Wound Care Solutions of California Family Medicine CurrentSince Mar 1, 2025 Accepting new patients
Stellar Wound Solutions Family Medicine CurrentSince Oct 30, 2025 Accepting new patients
All Gentle Hospice, Inc. Family Medicine PastSince Jul 1, 2025 Accepting new patients

Locations

5535 Balboa Blvd
Ste 200K
Encino, CA 91316
Phone (818) 262-0035

5535 Balboa Blvd
Ste 201
Encino, CA 91316
Phone (818) 804-8013

701 W Kimberly Ave
Ste 200
Placentia, CA 92870
Phone (657) 444-1233

25044 Peachland Ave
Ste 110
Santa Clarita, CA 91321

6931 Van Nuys Blvd
Ste 313A
Van Nuys, CA 91405
Phone (818) 804-8317

Ownership & related parties

All facility ownership & control disclosures 6

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Warm Care Hospice and Palliative CareGarden Grove, CA, CCN A01692 Hospice W-2 Managing Employee Apr 15, 2019
Traditional Hospice Services IncGlendale, CA, CCN B51762 Hospice W-2 Managing Employee Feb 1, 2024
Visiting Angels Hospice Care IncNorth Hollywood, CA, CCN B21672 Hospice Contracted Managing Employee Dec 1, 2025
Trustable Hospice IncVan Nuys, CA, CCN B21653 Hospice W-2 Managing Employee Jul 20, 2020
Uni Hospice IncGlendale, CA, CCN B31608 Hospice Contracted Managing Employee Aug 2, 2023
Nobel Care Hospice IncCheyenne, WY, CCN 531532 Hospice W-2 Managing Employee Nov 15, 2025

Owned or controlled facilities with NPI records 6

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1160524800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1537401600000",
    "number": "1891883955",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13132 STUDEBAKER RD",
            "address_2": "STE 10",
            "city": "NORWALK",
            "state": "CA",
            "postal_code": "906502576",
            "telephone_number": "562-470-7500",
            "fax_number": "562-470-7551"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13132 STUDEBAKER RD",
            "address_2": "STE 10",
            "city": "NORWALK",
            "state": "CA",
            "postal_code": "906502576",
            "telephone_number": "562-474-8877",
            "fax_number": "562-474-8879"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PONHOLD",
        "first_name": "SIEGHART",
        "middle_name": "H",
        "name_prefix": "Dr.",
        "credential": "M.D",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-10-11",
        "last_updated": "2018-09-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A35148",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Norwalk, CA

Sources for this page

Verify at the official NPI Registry.