Active NPI
George Mark Childrens Fund
Doing business as George Mark Childrens House
- Child Physical Disabilities Respite Care
- San Leandro, CA
National Provider Identifier
1336200245
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Child Physical Disabilities Respite Care
- Legal business name
- GEORGE MARK CHILDRENS FUND
- Doing business as
- George Mark Childrens House
- Practice address
- 2121 George Mark Lane
San Leandro, CA 94578-1017 - Phone
- (510) 346-4624
- Fax
- (510) 346-4620
- NPI assigned
- Dec 13, 2006
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- John D Golenski, EDD
- Title
- Executive Director
- Phone
- (415) 901-8192
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatric Skilled Nursing Facility | 3140N1450X | CA | ||
| Child Physical Disabilities Respite Care | 385HR2065X | CA | Primary |
Addresses
Primary practice location
2121 George Mark Lane
San Leandro, CA 94578-1017
Mailing address
2121 George Mark Lane
San Leandro, CA 94578-1017
Phone (510) 346-4624
Other names 1
- George Mark Childrens House
National Provider Directory
National Provider DirectoryLocations
2121 George Mark Ln
Castro Valley, CA 94578
Phone (510) 346-4624
Practitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Specialist
- San Leandro, CA
- NPI 1962544577
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1165968000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1757548800000",
"number": "1336200245",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2121 GEORGE MARK LANE",
"city": "SAN LEANDRO",
"state": "CA",
"postal_code": "945781017",
"telephone_number": "510-346-4624",
"fax_number": "510-346-4620"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2121 GEORGE MARK LANE",
"city": "SAN LEANDRO",
"state": "CA",
"postal_code": "945781017",
"telephone_number": "510-346-4624",
"fax_number": "510-346-4620"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "GEORGE MARK CHILDRENS FUND",
"organizational_subpart": "NO",
"enumeration_date": "2006-12-13",
"last_updated": "2025-09-11",
"status": "A",
"authorized_official_last_name": "GOLENSKI",
"authorized_official_first_name": "JOHN",
"authorized_official_middle_name": "D",
"authorized_official_title_or_position": "EXECUTIVE DIRECTOR",
"authorized_official_telephone_number": "415-901-8192",
"authorized_official_credential": "EDD"
},
"taxonomies": [
{
"code": "3140N1450X",
"taxonomy_group": "",
"desc": "Skilled Nursing Facility, Nursing Care, Pediatric",
"state": "CA",
"license": null,
"primary": false
},
{
"code": "385HR2065X",
"taxonomy_group": "",
"desc": "Respite Care, Respite Care, Physical Disabilities, Child",
"state": "CA",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "George Mark Childrens House",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in San Leandro, CA
- Generations Midwifery Service
- Genesis Corporation (Genesis Developmental Services)
- Honor Genetski, MA
- Katherine Evelyn Genis
- George Chen (Unicare Physical Therapy & Acupuncture)
- Christie Cean George
- Dashiell R Gerdes
- Desiree Germick
- Geronimo & Leong, Professional Optometric Corporation
- Anna Margarita Animo Geronimo, O.D.
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.