DR. MARY CHRISTINE TECSON YIA M.D.
NPI 1306179833
Family Medicine in Brooklyn, NY
About Dr. Mary Christine Tecson Yia M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY CHRISTINE TECSON YIA M.D. (NPI 1306179833) is an individual family medicine provider in Brooklyn, New York, licensed in New York (271038) and active in the NPI registry since September 2009. She is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
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. Mary Christine Tecson Yia 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
3Medicare enrollment records show Mary Christine Yia reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10128
- Reassigned Medicare billing, New York enrollment
- 724 clinicians in this Medicare group
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 clinicians in this Medicare group
Sayre, PA 18840
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Guthrie Medical Group PC
- 798 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 29
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore University Hospital
Acute Care Hospitals · Manhasset, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11207 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.
BROOKLYN, NY 11207
BROOKLYN, NY 11207
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 Mary Christine Yia's NPI number?
The NPI number for Mary Christine Yia is 1306179833. It was assigned to this individual provider in the NPPES registry on September 16, 2009.
Where is Mary Christine Yia located?
Mary Christine Yia practices at 101 Pennsylvania Avenue, Brooklyn, NY 11207. The listed phone number is (718) 240-2000.
What is Mary Christine Yia's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mary Christine Yia enrolled in Medicare?
Yes. Mary Christine Yia 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 Mary Christine Yia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Christine Yia reassigns Medicare benefits to 3 organizations: Advantagecare Physicians PC (New York, NY), Optum Medical Care, P.C. (Mount Kisco, NY) and Guthrie Medical Group, P.C. (Sayre, PA). 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 Mary Christine Yia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mary Christine Yia affiliated with any hospitals?
According to CMS data, Mary Christine Yia is affiliated with North Shore University Hospital.
When was this NPI record last updated?
The NPPES record for Mary Christine Yia was last updated on October 2, 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.