Individual provider Active NPI

Yair Josh Blumenfeld, MD

  • Maternal & Fetal Medicine Physician
  • Palo Alto, CA
National Provider Identifier
1518077726
Registry record updated Apr 19, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Maternal & Fetal Medicine PhysicianTaxonomy code 207VM0101X
License
A94480 Issued in CA
Practice address
725 Welch Rd
Palo Alto, CA 94304-1601
Phone
(650) 497-8000
NPI assigned
Aug 30, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 19, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X A94480 CA
Maternal & Fetal Medicine Physician 207VM0101X A94480 CA Primary

Addresses

Primary practice location

725 Welch Rd
Palo Alto, CA 94304-1601

Mailing address

2680 Hanover St
Palo Alto, CA 94304-1117

Other practice location 1

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 498-5710

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20061002000686 CA Practitioner - Obstetrics/GynecologyPractitioner - Other (Physician) 7315942000 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
LPCH Medical Group Div of LucileGroup PAC ID 0840298543, 332 clinicians

Practice addresses (Care Compare)

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (650) 498-7200

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A94480CAMDMaternal & Fetal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care Obstetrics & Gynecology Current Accepting new patients
El Camino Health Medical Network, LLC CurrentSince May 13, 2023 Accepting new patients
Stanford Health Care CurrentSince Oct 6, 2020 Accepting new patients
Stanford Health Care Obstetrics & Gynecology CurrentSince Oct 6, 2020 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Sep 1, 2006 Accepting new patients
El Camino Health Medical Group Past Accepting new patients

Locations

2299 Mowry Ave
Ste 2A
Fremont, CA 94538
Phone (510) 796-3498

815 Pollard Rd
Los Gatos, CA 95032
Phone (408) 378-6131

1401 Spanos Ct
Ste 233
Modesto, CA 95355

2495 Hospital Dr
Ste 450
Mountain View, CA 94040
Phone (650) 962-4370

2495 Hospital Dr
Ste 500
Mountain View, CA 94040
Phone (650) 988-7930

7999 Gateway Blvd
Ste 200
Newark, CA 94560
Phone (510) 806-2947

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

770 Welch Rd
Palo Alto, CA 94304
Phone (650) 498-4069

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

300 Pasteur Dr
#5500
Stanford, CA 94305
Phone (415) 723-5525

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: yblumenfeld6925@icare.elcaminohospital.org

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.

NPI Registry JSON

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

{
    "created_epoch": "1156896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1713484800000",
    "number": "1518077726",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2680 HANOVER ST",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041117"
        },
        {
            "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": "650-497-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Pasteur Dr",
            "address_purpose": "LOCATION",
            "city": "Stanford",
            "state": "CA",
            "postal_code": "943052200",
            "country_code": "US",
            "telephone_number": "650-498-5710",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BLUMENFELD",
        "first_name": "YAIR",
        "middle_name": "JOSH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-30",
        "last_updated": "2024-04-19",
        "certification_date": "2024-04-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A94480",
            "primary": false
        },
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "CA",
            "license": "A94480",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.