TRACEY L. BRENNAN, M.D., PLLC
NPI 1528283132
Family Medicine in Saratoga Springs, NY

Active since April 17, 2007CLIA 33D1039592 · Microscopy
294 GRAND AVE, SARATOGA SPRINGS, NY 12866(518) 583-0000 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Tracey L. Brennan, M.d., Pllc NPPES

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

TRACEY L. BRENNAN, M.D., PLLC (NPI 1528283132) is a healthcare organization registered as a family medicine in Saratoga Springs, New York and active in the NPI registry since April 2007. The organization holds a CLIA Microscopy certificate valid through April 18, 2027 and lists Tracey L. Brennan, Owner, as its authorized official.

NPPES Registry Identity

NPI1528283132
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameTRACEY L. BRENNAN, M.D., PLLC
Location Address294 GRAND AVESaratoga Springs, NY 12866-5944
Mailing Address294 Grand AveSaratoga Springs, NY 12866-5944 · (518) 583-0000
Organization SubpartNo
Authorized OfficialTracey L. BrennanOwner · (518) 583-0000
Enumeration DateApril 17, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1528283132 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
294 GRAND AVE, Saratoga Springs, NY 12866

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tracey L. Brennan, M.d., Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateNew YorkEnrollment IDO20050527000534Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Tracey L. Brennan, M.D., PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Family Practice
NPI 1891792503
294 GRAND AVE
Saratoga Springs, NY 12866
(518) 583-0000
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 33D1039592

Tracey L Brennan MD PLLC · Saratoga Springs, NY
Active · expires Apr 18, 2027
CLIA Number33D1039592
Laboratory TypePhysician Office
Certificate Effective DateApril 19, 2025
Certificate Expiration DateApril 18, 2027
Laboratory DirectorDr. Tracey L. Brennan
Laboratory Phone(518) 583-0000
Laboratory LocationTracey L Brennan MD PLLC324 West Avenue, Saratoga Springs, NY 12866
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Tracey L. Brennan, M.D., PLLC's NPI number?

The NPI number for Tracey L. Brennan, M.D., PLLC is 1528283132. It was assigned to this organization in the NPPES registry on April 17, 2007.

Where is Tracey L. Brennan, M.D., PLLC located?

Tracey L. Brennan, M.D., PLLC is located at 294 Grand Ave, Saratoga Springs, NY 12866. The listed phone number is (518) 583-0000.

What is Tracey L. Brennan, M.D., PLLC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Tracey L. Brennan, M.D., PLLC enrolled in Medicare?

Yes. Tracey L. Brennan, M.D., PLLC is registered in the Medicare PECOS enrollment system.

When is Tracey L. Brennan, M.D., PLLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New York, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Tracey L. Brennan, M.D., PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Tracey L. Brennan, M.D., PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Tracey L. Brennan, M.D., PLLC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 33D1039592) is associated with this NPI, valid through April 18, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Tracey L. Brennan, M.D., PLLC was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.