Active NPI
Sieghart H Ponhold, M.D
- Family Medicine Physician
- Norwalk, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- A35148
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A35148 | CA | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ridgecrest Medical Group Inc | Family Medicine | Current | Accepting new patients |
| Reviva Wound Care Specialists | Family Medicine | Current | Accepting new patients |
| Caring Touch Wound Care | Family Medicine | Current | Accepting new patients |
| Wound Care Solutions of California | Family Medicine | Current | Accepting new patients |
| Stellar Wound Solutions | Family Medicine | Current | Accepting new patients |
| All Gentle Hospice, Inc. | Family Medicine | Past | 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.
| Facility | Type | Role | Since |
|---|---|---|---|
| Warm Care Hospice and Palliative Care | Hospice | W-2 Managing Employee | Apr 15, 2019 |
| Traditional Hospice Services Inc | Hospice | W-2 Managing Employee | Feb 1, 2024 |
| Visiting Angels Hospice Care Inc | Hospice | Contracted Managing Employee | Dec 1, 2025 |
| Trustable Hospice Inc | Hospice | W-2 Managing Employee | Jul 20, 2020 |
| Uni Hospice Inc | Hospice | Contracted Managing Employee | Aug 2, 2023 |
| Nobel Care Hospice Inc | 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.
-
- Community Based Hospice Care Agency
- Glendale, CA
- NPI 1881293967
W-2 Managing Employee
-
- Community Based Hospice Care Agency
- Van Nuys, CA
- NPI 1134743685
W-2 Managing Employee
-
- Community Based Hospice Care Agency
- Granada Hills, CA
- NPI 1265035893
Contracted Managing Employee
-
- Community Based Hospice Care Agency
- North Hollywood, CA
- NPI 1144839747
Contracted Managing Employee
-
- Community Based Hospice Care Agency
- Garden Grove, CA
- NPI 1053818062
W-2 Managing Employee
-
- Community Based Hospice Care Agency
- Cheyenne, WY
- NPI 1154027506
W-2 Managing Employee
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.
-
- Family Medicine Physician
- Van Nuys, CA
- NPI 1982567665
-
- Family Medicine Physician
- Valley Village, CA
- NPI 1942181938
-
- Family Medicine Physician
- Encino, CA
- NPI 1720969033
-
- Family Medicine Physician
- Glendale, CA
- NPI 1023813615
-
- Family Medicine Physician
- Placentia, CA
- NPI 1275325474
-
- Community Based Hospice Care Agency
- Arcadia, CA
- NPI 1063022812
Family Medicine
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 20, 2018; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.