TRACY ANN NADINE WILLIAMS DO
NPI 1093964843
Internal Medicine in Peekskill, NY
About Tracy Ann Nadine Williams Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRACY ANN NADINE WILLIAMS DO (NPI 1093964843) is an individual internal medicine provider in Peekskill, New York, licensed in New York (250259) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS, is affiliated with Hudson Valley Hospital Center, and is a graduate of Other (2005).
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
Tracy Ann Nadine Williams Do 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 Reassignment
Medicare enrollment records show Tracy Ann Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cortlandt Manor, NY 10567
- Reassigned Medicare billing, New York enrollment
- 307 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
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 10566 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ann Williams's NPI number?
The NPI number for Tracy Ann Williams is 1093964843. It was assigned to this individual provider in the NPPES registry on September 17, 2008.
Where is Tracy Ann Williams located?
Tracy Ann Williams practices at 211 S Division St, Peekskill, NY 10566. The listed phone number is (914) 736-0400.
What is Tracy Ann Williams's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tracy Ann Williams enrolled in Medicare?
Yes. Tracy Ann Williams 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 organization bills Medicare for Tracy Ann Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tracy Ann Williams reassigns Medicare benefits to The Westchester Medical Practice, PC (Cortlandt Manor, 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 Tracy Ann Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tracy Ann Williams affiliated with any hospitals?
According to CMS data, Tracy Ann Williams is affiliated with Hudson Valley Hospital Center.
When was this NPI record last updated?
The NPPES record for Tracy Ann Williams was last updated on April 10, 2024. 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.
# Tracy Ann Nadine Williams, DO · NPI 1093964843
Internal Medicine physician in Peekskill, New York. Individual provider, active in the CMS NPPES registry since September 17, 2008.
## Identity
- **NPI:** 1093964843 (Entity type: Individual)
- **Enumerated:** September 17, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 250259 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 211 S DIVISION ST, Peekskill, NY 10566-3611
- **Phone:** (914) 736-0400 · **Fax:** (914) 734-9632
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The Westchester Medical Practice, PC (NPI 1982109120, Cortlandt Manor, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** April 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1093964843) · Data from the CMS NPPES public registry.