Individual provider Active NPI

Sara Moassesfar, M.D.

  • Pediatric Endocrinology Physician
  • Palo Alto, CA
National Provider Identifier
1265605497
Registry record updated Nov 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Endocrinology PhysicianTaxonomy code 2080P0205X
License
A115263 Issued in CA
Practice address
725 Welch Rd
Palo Alto, CA 94304-1601
Phone
(612) 414-3675
NPI assigned
Apr 9, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 25, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Endocrinology Physician 2080P0205X A115263 CA Primary

Addresses

Primary practice location

725 Welch Rd
Palo Alto, CA 94304-1601

Mailing address

725 Welch Rd
Palo Alto, CA 94304-1601

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://memorialcare.org/fhir/api/FHIR/R4/ Health Information Exchange (HIE) MemorialCare Medical Foundation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq Health Information Exchange (HIE) Southern California Permanente Medical Group

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, MO2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20140809000079 CA Practitioner - Pediatric MedicinePractitioner - EndocrinologyPractitioner - Other (Physician) 2163649435 Reassigns benefits to 5 organizations
I20260410002356 MO Practitioner - Pediatric Medicine 2163649435 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pediatric Medicine
Education
University of Minnesota Medical School, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

PO Box
Chicago, IL 60677

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A115263CAMDPediatric Endocrinology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorialcare Medical Foundation CurrentSince Dec 1, 2025 Accepting new patients
Southern California Permanente Medical Group CurrentSince Apr 26, 2025 Accepting new patients
County of Santa Clara CurrentSince Aug 6, 2019 Accepting new patients
County of Santa Clara Current Accepting new patients
County of Santa Clara CurrentSince Aug 6, 2019 Accepting new patients
Southern California Permanente Medical Group CurrentSince Apr 26, 2025 Accepting new patients
County of Santa Clara CurrentSince Aug 6, 2019 Accepting new patients
County of Santa Clara Current Accepting new patients
County of Santa Clara CurrentSince Aug 6, 2019 Accepting new patients
Southern California Permanente Medical Group Current Accepting new patients
Santa Barbara Cottage Hospital Past Accepting new patients
County of Santa Clara Past Accepting new patients
John Muir Health Past Accepting new patients
Sutter Bay Hospitals Past Accepting new patients
Cottage Clinical Associates Past Accepting new patients
University of California San Francisco Past Accepting new patients
Sutter Bay Hospitals Past Accepting new patients

Locations

9333 Rosecrans Ave
Bellflower, CA 90706
Phone (562) 461-3340

722 Baker St
Costa Mesa, CA 92626
Phone (714) 557-6300

17360 Brookhurst St
Fountain Vly, CA 92708
Phone (657) 241-3592

7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400

25825 Vermont Ave
Harbor City, CA 90710
Phone (310) 325-5111

2701 Atlantic Ave
Long Beach, CA 90806
Phone (562) 684-8096

13652 Cantara St
Panorama City, CA 91402
Phone (818) 375-2417

393 E Walnut St
Fl 3
Pasadena, CA 91188
Phone (626) 405-7914

2101 Alexian Dr
San Jose, CA 95116
Phone (408) 272-6050

1996 Lundy Ave
San Jose, CA 95131
Phone (408) 299-5846

500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433

750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320

751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110

1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320

660 S Fair Oaks Ave
Sunnyvale, CA 94086
Phone (408) 885-7366

888 S Hill Rd
Ventura, CA 93003
Phone (805) 477-6400

5601 De Soto Ave
Woodland Hls, CA 91367
Phone (818) 719-2000

Interoperability endpoints

  • Direct secure messaging: smoassesfar95126@santaclaravalley.direct-ci.net

Organizations & group practices 19

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.

View all 19

NPI Registry JSON

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

{
    "created_epoch": "1207699200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764028800000",
    "number": "1265605497",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "725 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041601"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "725 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041601",
            "telephone_number": "612-414-3675"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MOASSESFAR",
        "first_name": "SARA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-04-09",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0205X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Endocrinology",
            "state": "CA",
            "license": "A115263",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://memorialcare.org/fhir/api/FHIR/R4/",
            "affiliation": "Y",
            "endpointDescription": "MemorialCare FHIR Endpoint",
            "affiliationName": "MemorialCare Medical Foundation",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "17360 Brookhurst St",
            "city": "Fountain Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "927083720",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "5601 De Soto Ave",
            "city": "Woodland Hills",
            "state": "CA",
            "country_code": "US",
            "postal_code": "913676701",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.