1. Home
  2. Directory
  3. New York
  4. New York New York
  5. Pathology
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. XIAOQING O'LEARY M.D., PH.D.
NPI 1629366307
Pathology - Anatomic Pathology & Clinical Pathology in New York, NY

Active since July 15, 2011PECOS Enrolled
91.25/100
CMS Quality Rating
300 E 54TH ST APT 9K, NEW YORK, NY 10022(347) 756-0672(718) 904-2256 Get Directions Write a Review

NPPES record last updated: October 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Xiaoqing O'leary M.d., Ph.d. NPPES

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

DR. XIAOQING O'LEARY M.D., PH.D. (NPI 1629366307) is an individual anatomic pathology & clinical pathology provider in New York, New York, licensed in New York (242504-1) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629366307
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. XIAOQING O'LEARYCredential: M.D., PH.D.
Location Address300 E 54TH ST APT 9KNew York, NY 10022-5021
Mailing Address300 E 54th St Apt 9kNew York, NY 10022-5021 · (347) 756-0672 · Fax (718) 904-2256
Phone(347) 756-0672
Fax(718) 904-2256
Sole ProprietorYes
Enumeration DateJuly 15, 2011
Last NPPES UpdateOctober 15, 2026
NPPES CertifiedOctober 15, 2026
✔ NPI 1629366307 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in NY · 242504-1
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
300 E 54TH ST APT 9K, New York, NY 10022
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)

Dr. Xiaoqing O'leary M.d., Ph.d. 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 Reassignment

Medicare enrollment records show Xiaoqing O'leary reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Shore - Lij Medical PC
13 mi
Internal Medicine
270-05 76TH AVE
New Hyde Park, NY 11040
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group
NPI 1790043479 (516) 465-8089

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 10022 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.92
Promoting Interoperability91.67
Improvement Activities40

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 Xiaoqing O'leary's NPI number?

The NPI number for Xiaoqing O'leary is 1629366307. It was assigned to this individual provider in the NPPES registry on July 15, 2011.

Where is Xiaoqing O'leary located?

Xiaoqing O'leary practices at 300 E 54th St Apt 9K, New York, NY 10022. The listed phone number is (347) 756-0672.

What is Xiaoqing O'leary's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Xiaoqing O'leary enrolled in Medicare?

Yes. Xiaoqing O'leary is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Xiaoqing O'leary's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Xiaoqing O'leary reassigns Medicare benefits to North Shore - Lij Medical PC (New Hyde Park, NY). The 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 Xiaoqing O'leary'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 Xiaoqing O'leary was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.