TIARA FORSYTH CALHOUN MD
NPI 1902326101
Internal Medicine - Pulmonary Disease in Charlestown, MA
About Tiara Forsyth Calhoun Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIARA FORSYTH CALHOUN MD (NPI 1902326101) is an individual pulmonary disease provider in Charlestown, Massachusetts, licensed in Massachusetts (282028) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
Accepted Insurance
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
Tiara Forsyth Calhoun Md 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
4Medicare enrollment records show Tiara Calhoun reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 clinicians in this Medicare group
Rosebud, SD 57570
- Reassigned Medicare billing, Texas enrollment
- 386 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.
Hospital Affiliations CMS Care Compare 2
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, MAFaulkner Hospital-Brigham And Women's
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02129 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.
CHARLESTOWN, MA 02129
CHARLESTOWN, MA 02129
CHARLESTOWN, MA 02129
CHARLESTOWN, MA 02129
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 Tiara Calhoun's NPI number?
The NPI number for Tiara Calhoun is 1902326101. It was assigned to this individual provider in the NPPES registry on June 20, 2017. The provider is also known as Tiara Megan Forsyth.
Where is Tiara Calhoun located?
Tiara Calhoun practices at 73 High St, Charlestown, MA 02129. The listed phone number is (617) 724-8135.
What is Tiara Calhoun's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Tiara Calhoun enrolled in Medicare?
Yes. Tiara Calhoun 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 Tiara Calhoun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tiara Calhoun reassigns Medicare benefits to 4 organizations: The General Hospital Corporation (Boston, MA), Brigham & Womens Physicians Organization Inc (Boston, MA), Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA) and Rosebud Indian Health Service (Rosebud, SD). 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 Tiara Calhoun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tiara Calhoun accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Tiara Calhoun as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Tiara Calhoun affiliated with any hospitals?
According to CMS data, Tiara Calhoun is affiliated with Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.
When was this NPI record last updated?
The NPPES record for Tiara Calhoun was last updated on August 22, 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.
# Tiara Forsyth Calhoun, MD · NPI 1902326101
Pulmonary Disease physician in Charlestown, Massachusetts. Individual provider, active in the CMS NPPES registry since June 20, 2017.
## Identity
- **NPI:** 1902326101 (Entity type: Individual)
- **Enumerated:** June 20, 2017
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 282028 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 73 HIGH ST, Charlestown, MA 02129-3026
- **Phone:** (617) 724-8135
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): The General Hospital Corporation (NPI 1023049236, Boston, MA); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA); Rosebud Indian Health Service (NPI 1194757369, Rosebud, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2017
## Record status
- **NPPES last updated:** August 22, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1902326101) · Data from the CMS NPPES public registry.