DR. CRISTINA HORTENSIA HAJDU M.D.
NPI 1144214305
Pathology - Anatomic Pathology in New York, NY
About Dr. Cristina Hortensia Hajdu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CRISTINA HORTENSIA HAJDU M.D. (NPI 1144214305) is an individual anatomic pathology provider in New York, New York, licensed in New York (002347) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS, is affiliated with Lenox Hill Hospital, and is a graduate of Other (1983).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Cristina Hortensia Hajdu M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Cristina Hajdu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lenox Hill Hospital
Acute Care Hospitals · New York, NYNyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
NEW YORK, NY 10016
NEW YORK, NY 10016
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 Cristina Hajdu's NPI number?
The NPI number for Cristina Hajdu is 1144214305. It was assigned to this individual provider in the NPPES registry on September 2, 2005.
Where is Cristina Hajdu located?
Cristina Hajdu practices at 560 1st Ave, New York, NY 10016. The listed phone number is (212) 263-3586.
What is Cristina Hajdu's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.
Is Cristina Hajdu enrolled in Medicare?
Yes. Cristina Hajdu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Cristina Hajdu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cristina Hajdu reassigns Medicare benefits to 2 organizations: North Shore - Lij Medical PC (New Hyde Park, NY) and New York University (Boynton Beach, FL). 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 Cristina Hajdu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Cristina Hajdu affiliated with any hospitals?
According to CMS data, Cristina Hajdu is affiliated with Lenox Hill Hospital and Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Cristina Hajdu was last updated on October 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.