Active NPI
Yonit Lax, MD
- Pediatrics Physician
- Philadelphia, PA
National Provider Identifier
1073951315
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- MD495989
- 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
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 |
|---|---|---|---|---|
| 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
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Montefiore Medical Center | Current | Accepting new patients | |
| Maimonides Medical Center | Current | Accepting new patients | |
| Montefiore Medical Center | Pediatrics | Current | Accepting new patients |
| Maimonides Faculty Practice Plan | Current | Accepting new patients | |
| MMC Pediatrics Faculty Practice | Pediatrics | Current | 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
- yonit.lax.p1@direct.mmc.nextgenshare.com
- 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.
-
- Internal Medicine Physician
- Brooklyn, NY
- NPI 1053344846
-
- Pediatrics Physician
- Brooklyn, NY
- NPI 1285648154
-
- General Acute Care Hospital
- Brooklyn, NY
- NPI 1093777492
-
- Community/Retail Pharmacy
- Bronx, NY
- NPI 1194183715
-
- Children's Chronic Disease Hospital
- Bronx, NY
- NPI 1548548118
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.