DR. TRACY BOHN HEMMERDINGER M.D.
NPI 1992739395
Obstetrics & Gynecology in Cortlandt Manor, NY
About Dr. Tracy Bohn Hemmerdinger M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TRACY BOHN HEMMERDINGER M.D. (NPI 1992739395) is an individual obstetrics & gynecology provider in Cortlandt Manor, New York, licensed in New York (229899) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Hudson Valley Hospital Center, and is a graduate of Icahn School Of Medicine At Mount Sinai (2002).
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. Tracy Bohn Hemmerdinger 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 Tracy Hemmerdinger reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cortlandt Manor, NY 10567
- Reassigned Medicare billing, New York enrollment
- 307 clinicians in this Medicare group
Peekskill, NY 10566
- Reassigned Medicare billing, New York enrollment
- 683 clinicians in this Medicare group
Elmhurst, NY 11373
- Reassigned Medicare billing, New York enrollment
- 836 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 2
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.
Hudson Valley Hospital Center
Acute Care Hospitals · Cortlandt Manor, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10567 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CORTLANDT MANOR, NY 10567
CORTLANDT MANOR, NY 10567
CORTLANDT MANOR, NY 10567
CORTLANDT MANOR, NY 10567
CORTLANDT MANOR, NY 10567
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 Tracy Hemmerdinger's NPI number?
The NPI number for Tracy Hemmerdinger is 1992739395. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is Tracy Hemmerdinger located?
Tracy Hemmerdinger practices at 1978 Crompond Rd, Cortlandt Manor, NY 10567. The listed phone number is (914) 736-6180.
What is Tracy Hemmerdinger's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Tracy Hemmerdinger enrolled in Medicare?
Yes. Tracy Hemmerdinger 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 Tracy Hemmerdinger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tracy Hemmerdinger reassigns Medicare benefits to 3 organizations: The Westchester Medical Practice, PC (Cortlandt Manor, NY), Sun River Health Inc. (Peekskill, NY) and Icahn School Of Medicine At Mount Sinai (Elmhurst, 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 Tracy Hemmerdinger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tracy Hemmerdinger affiliated with any hospitals?
According to CMS data, Tracy Hemmerdinger is affiliated with Hudson Valley Hospital Center.
When was this NPI record last updated?
The NPPES record for Tracy Hemmerdinger was last updated on December 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.