1. Home
  2. Directory
  3. New York
  4. Lake Success
  5. Pediatrics
  6. NPI Profile

KAREN JOAN YAN MD
NPI 1174576524
Pediatrics in Lake Success, NY

Active since May 18, 2006PECOS Enrolled
2 PRO HEALTH PLZ, LAKE SUCCESS, NY 11042(516) 622-7337(516) 622-7331 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Karen Joan Yan Md NPPES

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

KAREN JOAN YAN MD (NPI 1174576524) is an individual pediatrics provider in Lake Success, New York, licensed in New York (220324) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174576524
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameKAREN JOAN YANCredential: MD
Location Address2 PRO HEALTH PLZLake Success, NY 11042-1111
Mailing Address2800 Marcus AveLake Success, NY 11042-1008 · (516) 622-7337 · Fax (516) 622-7331
Phone(516) 622-7337
Fax(516) 622-7331
Sole ProprietorNo
Enumeration DateMay 18, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1174576524 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NY · 220324
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.
2 PRO HEALTH PLZ, Lake Success, NY 11042
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen Joan Yan 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

2

Medicare enrollment records show Karen Yan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Optum Urgent Care, PLLC
8.7 mi
Urgent Care
555 N BROADWAY
Jericho, NY 11753
  • Reassigned Medicare billing, New York enrollment
  • 413 clinicians in this Medicare group
NPI 1285975797 (516) 622-6000
Optum Medical Care, P.C.
30 mi
Cardiovascular Disease
90 SOUTH BEDFORD RD, MT KISCO MEDICAL GROUP PC
Mount Kisco, NY 10549
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Optum Medical Care PC
  • 1,601 clinicians in this Medicare group
NPI 1982643003 (914) 241-1050

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 11042 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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 20

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

MS. JASDEEP SANDHU RPA-C
Physician Assistant (Surgical)
2 PRO HEALTH PLZ
NEW HYDE PARK, NY 11042
Nassau County (516) 622-6110
JEFFREY DAVID KARWOSKI M.D.
Internal Medicine
2 PRO HEALTH PLZ
NEW HYDE PARK, NY 11042
Nassau County (516) 622-6020
CLIFFORD COOPER MD
Internal Medicine
2 PRO HEALTH PLZ
LAKE SUCCESS, NY 11042
Nassau County (516) 622-6020
DR. BIJAN ZISMAN M.D.
Internal Medicine
2 PRO HEALTH PLZ
NEW HYDE PARK, NY 11042
Nassau County (516) 622-6000
PAULINE MIZRACHI M.D.
Internal Medicine
2 PRO HEALTH PLZ
NEW HYDE PARK, NY 11042
Nassau County (516) 622-6020
LISA KIRSCHBAUM MD
Internal Medicine
2 PRO HEALTH PLZ
LAKE SUCCESS, NY 11042
Nassau County (516) 622-6020
MAURICE J CHIANESE MD
Pediatrics
2 PRO HEALTH PLZ
LAKE SUCCESS, NY 11042
Nassau County (516) 622-7337
DR. MARTIN GREENFIELD MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
2 PRO HEALTH PLZ
NEW HYDE PARK, NY 11042
Nassau County (516) 608-6823

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 Karen Yan's NPI number?

The NPI number for Karen Yan is 1174576524. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Karen Yan located?

Karen Yan practices at 2 Pro Health Plz, Lake Success, NY 11042. The listed phone number is (516) 622-7337.

What is Karen Yan's specialty?

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

Is Karen Yan enrolled in Medicare?

Yes. Karen Yan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Karen Yan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Yan reassigns Medicare benefits to 2 organizations: Optum Urgent Care, PLLC (Jericho, NY) and Optum Medical Care, P.C. (Mount Kisco, 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 Karen Yan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karen Yan was last updated on July 13, 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.