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DR. YONIT LAX MD
NPI 1073951315
Pediatrics in Philadelphia, PA

Active since June 09, 2013PECOS Enrolled
833 CHESTNUT ST STE 300, PHILADELPHIA, PA 19107(215) 861-8800 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Yonit Lax Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. YONIT LAX MD (NPI 1073951315) is an individual pediatrics provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD495989) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1073951315
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. YONIT LAXCredential: MD
Location Address833 CHESTNUT ST STE 300Philadelphia, PA 19107-4405
Mailing AddressPo Box 191Rockland, DE 19732-0191 · (215) 861-8800
Phone(215) 861-8800
Sole ProprietorNo
Enumeration DateJune 9, 2013
Last NPPES UpdateJuly 16, 2026
NPPES CertifiedJuly 16, 2026
✔ NPI 1073951315 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in PA · MD495989
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
833 CHESTNUT ST STE 300, Philadelphia, PA 19107
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Yonit Lax Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Yonit Lax reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mmc Pediatrics Faculty Practice
77 mi
Pediatrics
6010 BAY PKWY STE 902
Brooklyn, NY 11204
  • Reassigned Medicare billing, New York enrollment
  • 137 clinicians in this Medicare group
NPI 1285648154 (718) 283-7500
Maimonides Faculty Practice Plan
77 mi
Internal Medicine
4802 10TH AVE
Brooklyn, NY 11219
  • Reassigned Medicare billing, New York enrollment
  • 1,177 clinicians in this Medicare group
NPI 1053344846 (718) 283-8700
Montefiore Medical Center
86 mi
Family Medicine
2633 BROADWAY
New York, NY 10025
  • Reassigned Medicare billing, New York enrollment
  • 5,251 clinicians in this Medicare group
NPI 1760288278 (888) 663-6331

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LEIGH ALLISON LAFOND MD
Student in an Organized Health Care Education/Training Program
833 CHESTNUT ST STE 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6523
CASEY COLEMAN MD, MPH
Pediatrics
833 CHESTNUT ST STE 300
PHILADELPHIA, PA 19107
Philadelphia County (302) 861-8800
DR. KATHRYN CANTORE FOLEY MD
Pediatrics
833 CHESTNUT ST STE 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 861-8800
BRIGHID O'DONNELL
Pediatrics
833 CHESTNUT ST STE 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 861-8800
JULIE T CHERRY DO
Student in an Organized Health Care Education/Training Program
833 CHESTNUT ST STE 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 861-8800
ELIZABETH COPELAND WRIGHT-JIN M.D., PH.D.
Psychiatry & Neurology (Neurology)
833 CHESTNUT ST STE 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 861-8833
HA LEXUAN TRAN MD
Pediatrics (Neonatal-Perinatal Medicine)
833 CHESTNUT ST STE 300
PHILADELPHIA, PA 19107
Philadelphia County (850) 686-6067
MS. KIERSTEN LEBAR CRNP-AC
Nurse Practitioner (Neonatal, Critical Care)
833 CHESTNUT ST STE 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 861-8800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Yonit Lax's NPI number?

The NPI number for Yonit Lax is 1073951315. It was assigned to this individual provider in the NPPES registry on June 9, 2013.

Where is Yonit Lax located?

Yonit Lax practices at 833 Chestnut St Ste 300, Philadelphia, PA 19107. The listed phone number is (215) 861-8800.

What is Yonit Lax's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Yonit Lax enrolled in Medicare?

Yes. Yonit Lax is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Yonit Lax's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yonit Lax reassigns Medicare benefits to 3 organizations: Mmc Pediatrics Faculty Practice (Brooklyn, NY), Maimonides Faculty Practice Plan (Brooklyn, NY) and Montefiore Medical Center (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Yonit Lax's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Yonit Lax accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan list Yonit Lax as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Yonit Lax was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.