Active NPI
Christopher Michael Hydock, PA-C
- Physician Assistant
- Pleasanton, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 22137
- Practice address
- 5725 W Las Positas Blvd
Suite 200
Pleasanton, CA 94588-4054 - Phone
- (925) 469-6274
- Fax
- (925) 924-1769
- NPI assigned
- Apr 22, 2008
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 22137 | CA | Primary |
| Surgical Physician Assistant | 363AS0400X | 22137 | CA |
Addresses
Primary practice location
5725 W Las Positas Blvd
Suite 200
Pleasanton, CA 94588-4054
Mailing address
5725 W Las Positas Blvd Ste 200
Pleasanton, CA 94588-4007
Phone (925) 469-6274
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: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20120308000148 | CA | Practitioner - Physician Assistant | 6901977388 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Saint Louis University School of Medicine, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Stanford Health Care
Practice addresses (Care Compare)
300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000
5555 W Las Positas Blvd
Pleasanton, CA 94588-4000
Phone (925) 847-3000
5725 W Las Positas Blvd
Pleasanton, CA 94588-4007
6121 Hollis St
Emeryville, CA 94608-2077
Hospital & facility affiliations
- Stanford Health Care Tri-Valley
- Alta Bates Summit Medical Center - Alta Bates Camp
- Stanford Health Care
- John Muir Medical Center - Walnut Creek Campus
Merit-based Incentive Payment System (MIPS)
- Final score
- 88.53 of 100
- Quality
- 87.08
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 69.51
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 22137 | CA | MD | Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Stanford Health Care | Current | Accepting new patients | |
| Stanford Health Care | Current | Accepting new patients | |
| Lucile Salter Packard Children'S Hospital at Stanford | Past | Accepting new patients | |
| Stanford Hospital and Clinics | Past | Accepting new patients |
Locations
911 Sunset Dr
Hollister, CA 95023
Phone (831) 626-2640
7999 Gateway Blvd
Ste 200
Newark, CA 94560
Phone (510) 806-2947
5725 W Las Positas Blvd
Ste 200
Pleasanton, CA 94588
Phone (925) 469-3120
300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710
Interoperability endpoints
- chydock208629@direct.stanfordhealthcare.org
Organizations & group practices 7
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.
-
- Specialty Pharmacy
- Mountain View, CA
- NPI 1760366132
-
- Specialty Pharmacy
- Palo Alto, CA
- NPI 1053835595
-
- Psychiatric Hospital
- Stanford, CA
- NPI 1265581086
-
- General Acute Care Hospital
- Stanford, CA
- NPI 1871543215
-
- Children's Hospital
- Palo Alto, CA
- NPI 1467442749
-
- Clinical Medical Laboratory
- Palo Alto, CA
- NPI 1174698468
Hospital & facility affiliations 10
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1208822400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1766448000000",
"number": "1295909232",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5725 W LAS POSITAS BLVD STE 200",
"city": "PLEASANTON",
"state": "CA",
"postal_code": "945884007",
"telephone_number": "925-469-6274",
"fax_number": "925-924-1769"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5725 W LAS POSITAS BLVD",
"address_2": "SUITE 200",
"city": "PLEASANTON",
"state": "CA",
"postal_code": "945884054",
"telephone_number": "925-469-6274",
"fax_number": "925-924-1769"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HYDOCK",
"first_name": "CHRISTOPHER",
"middle_name": "MICHAEL",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2008-04-22",
"last_updated": "2025-12-23",
"certification_date": "2025-12-23",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "CA",
"license": "22137",
"primary": true
},
{
"code": "363AS0400X",
"taxonomy_group": "",
"desc": "Physician Assistant, Surgical",
"state": "CA",
"license": "22137",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Pleasanton, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 23, 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.
- 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.