DR. TIFFANY ANNE KOLNIAK M.D.
NPI 1780099473
Internal Medicine in Framingham, MA
About Dr. Tiffany Anne Kolniak M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIFFANY ANNE KOLNIAK M.D. (NPI 1780099473) is an individual internal medicine provider in Framingham, Massachusetts, licensed in Massachusetts (270199) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of State University Of New York At Buffalo School Of Medicine (2014).
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. Tiffany Anne Kolniak 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 Reassignment
Medicare enrollment records show Tiffany Kolniak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 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 8
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAEmerson Hospital -
Acute Care Hospitals · W Concord, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAMetrowest Medical Center
Acute Care Hospitals · Framingham, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01701 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 3
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 Tiffany Kolniak's NPI number?
The NPI number for Tiffany Kolniak is 1780099473. It was assigned to this individual provider in the NPPES registry on June 22, 2014.
Where is Tiffany Kolniak located?
Tiffany Kolniak practices at 85 Worcester Rd, Framingham, MA 01701. The listed phone number is (508) 532-0223.
What is Tiffany Kolniak's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tiffany Kolniak enrolled in Medicare?
Yes. Tiffany Kolniak 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 Tiffany Kolniak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Kolniak reassigns Medicare benefits to Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA). 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 Tiffany Kolniak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tiffany Kolniak affiliated with any hospitals?
According to CMS data, Tiffany Kolniak is affiliated with Massachusetts General Hospital, Emerson Hospital -, Newton-Wellesley Hospital, Brigham And Women's Hospital and Metrowest Medical Center.
When was this NPI record last updated?
The NPPES record for Tiffany Kolniak was last updated on November 29, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.