Active NPI
Elyse Marie Zaleski, PA-C
- Physician Assistant
- Colton, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- Practice address
- 400 N Pepper Ave
Colton, CA 92324-1801 - Phone
- (909) 580-1775
- NPI assigned
- Jan 12, 2015
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | Primary |
Addresses
Primary practice location
400 N Pepper Ave
Colton, CA 92324-1801
Mailing address
400 N. Pepper Ave.
Mob 205
Colton, CA 92324-1801
Phone (909) 580-3390
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
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- San Bernardino Medical Orthopaedic Group Inc
Practice addresses (Care Compare)
101 E Valencia Mesa Dr
Fullerton, CA 92835-3809
Phone (714) 871-3280
1100 W Stewart Dr
Orange, CA 92868-3849
Phone (714) 533-9111
400 N Pepper Ave
Arrowhead
Colton, CA 92324-1801
Phone (909) 580-3390
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 75.34 of 100
- Quality
- 48.62
- Promoting interoperability
- 94
- Improvement activities
- 40
- Cost
- 74.18
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Amirpasha Ehsan MD, Inc | Past | Accepting new patients | |
| Chest and Critical Care Consultants | Past | Accepting new patients |
Interoperability endpoints
- elyse.zaleskipa.p1@direct.osiortho.nextgenshare.com
Organizations & group practices 3
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.
-
- Physical Medicine & Rehabilitation Physician
- Tustin, CA
- NPI 1952046963
-
- Physical Medicine & Rehabilitation Physician
- Irvine, CA
- NPI 1164813788
-
- Sleep Disorder Diagnostic Clinic/Center
- Tustin, CA
- NPI 1659450054
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Santa Ana, CA
- NPI 1982697678
-
- General Acute Care Hospital
- Orange, CA
- NPI 1912982216
-
- General Acute Care Hospital
- Orange, CA
- NPI 1558575746
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1421020800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777852800000",
"number": "1316336522",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "400 N. PEPPER AVE.",
"address_2": "MOB 205",
"city": "COLTON",
"state": "CA",
"postal_code": "923241801",
"telephone_number": "909-580-3390"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "400 N PEPPER AVE",
"city": "COLTON",
"state": "CA",
"postal_code": "923241801",
"telephone_number": "909-580-1775"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ZALESKI",
"first_name": "ELYSE",
"middle_name": "MARIE",
"credential": "PA-C",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2015-01-12",
"last_updated": "2026-05-04",
"certification_date": "2026-05-04",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Colton, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 4, 2026; 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.