TANYA M LAIDLAW M.D.
NPI 1386690949
Internal Medicine - Rheumatology in Boston, MA
About Tanya M Laidlaw M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TANYA M LAIDLAW M.D. (NPI 1386690949) is an individual rheumatology provider in Boston, Massachusetts, licensed in Massachusetts (228766) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of University Of Massachusetts Medical School (2003).
NPPES Registry Identity
Specialties & Licenses 2
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
Tanya M Laidlaw 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
2Medicare enrollment records show Tanya Laidlaw reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,026 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.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Tanya Laidlaw's NPI number?
The NPI number for Tanya Laidlaw is 1386690949. It was assigned to this individual provider in the NPPES registry on May 25, 2006.
Where is Tanya Laidlaw located?
Tanya Laidlaw practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is Tanya Laidlaw's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Tanya Laidlaw enrolled in Medicare?
Yes. Tanya Laidlaw 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 Tanya Laidlaw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tanya Laidlaw reassigns Medicare benefits to 2 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA) and Dana-Farber Cancer Institute, Inc. (Boston, MA). 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 Tanya Laidlaw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tanya Laidlaw affiliated with any hospitals?
According to CMS data, Tanya Laidlaw is affiliated with Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Tanya Laidlaw was last updated on August 7, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Tanya M Laidlaw, M.D. · NPI 1386690949
Rheumatology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 25, 2006.
## Identity
- **NPI:** 1386690949 (Entity type: Individual)
- **Enumerated:** May 25, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 228766 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6110
- **Phone:** (617) 732-5500
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Dana-Farber Cancer Institute, Inc. (NPI 1851333686, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Massachusetts Medical School, class of 2003
## Record status
- **NPPES last updated:** August 7, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1386690949) · Data from the CMS NPPES public registry.