Individual provider Active NPI

Yonit Lax, MD

  • Pediatrics Physician
  • Philadelphia, PA
National Provider Identifier
1073951315
Registry record updated Jul 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
MD495989 Issued in PA
Practice address
833 Chestnut St Ste 300
Philadelphia, PA 19107-4405
Phone
(215) 861-8800
NPI assigned
Jun 9, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X MD495989 PA Primary

Addresses

Primary practice location

833 Chestnut St Ste 300
Philadelphia, PA 19107-4405

Mailing address

PO Box 191
Rockland, DE 19732-0191
Phone (215) 861-8800

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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
I20160825002537 NY Practitioner - Pediatric Medicine 6608161922 Reassigns benefits to 3 organizations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Montefiore Medical Center CurrentSince Jun 16, 2016 Accepting new patients
Maimonides Medical Center Current Accepting new patients
Montefiore Medical Center Pediatrics CurrentSince Jun 16, 2016 Accepting new patients
Maimonides Faculty Practice Plan CurrentSince Jul 10, 2023 Accepting new patients
MMC Pediatrics Faculty Practice Pediatrics CurrentSince Aug 26, 2017 Accepting new patients
Childrens Hospital at Montefiore Past Accepting new patients

Locations

111 E 210th St
Bronx, NY 10467

4802 10th Ave
Brooklyn, NY 11219
Phone (718) 283-8724

6323 7th Ave
Brooklyn, NY 11220
Phone (718) 283-6980

1401 Newkirk Ave
Brooklyn, NY 11226
Phone (718) 283-1600

Networks

  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: yonit.lax.p1@direct.mmc.nextgenshare.com
  • Direct secure messaging: yonitlax@mai.allscriptsdirect.net

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": "1370736000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1073951315",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 191",
            "city": "ROCKLAND",
            "state": "DE",
            "postal_code": "197320191",
            "telephone_number": "215-861-8800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "833 CHESTNUT ST STE 300",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191074405",
            "telephone_number": "215-861-8800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAX",
        "first_name": "YONIT",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-06-09",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "PA",
            "license": "MD495989",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

Verify at the official NPI Registry.