Dr. Tiara Forsyth Calhoun, MD

  • Boston, MA
  • Pulmonologist
NPI1902326101PAC ID6608120233
Medicare services, 2021
26
Medicare patients, 2024
17
Part D claims, 2024
86
Publications
5
Hospital affiliations
2
Practice address
75 Francis Street, Boston, MA 02115
Practice phone
Call (617) 732-5500
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Brigham and Women's Hospital

Hospital · Boston, Massachusetts

See all 9 affiliations

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Dr. Tiara Forsyth Calhoun is a pulmonologist in Boston, Massachusetts

Dr. Calhoun practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.

Dr. Calhoun's NPI, 1902326101, was assigned on June 20, 2017. Dr. Calhoun graduated from Harvard Medical School in 2017. Dr. Calhoun holds Massachusetts license 282028.

NPI and contact details
Medicare PAC ID
6608120233
NPI enumeration date
June 20, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 732-5500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Tiara Forsyth Calhoun practices at Brigham and Women's Hospital in Boston, Massachusetts

Dr. Calhoun's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.

Source: Dmand AI Affiliation Data

Dr. Tiara Forsyth Calhoun is affiliated with 5 sites of care and 4 medical groups

Dr. Calhoun's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Calhoun is also affiliated with Dana-Farber Cancer Institute. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Calhoun to 3 more medical groups, 2 group practices and clinics and 1 hospital outpatient department, each named with a free account.

See all 9 affiliations for Dr. Calhoun

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Tiara Forsyth Calhoun's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Calhoun practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Brigham and Women's HospitalAvailable with a free account
+4 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Tiara Forsyth Calhoun is one of 485 pulmonologists in Massachusetts

Pulmonary disease is Dr. Calhoun's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Calhoun is licensed in Massachusetts.

Specialties and state licenses

  • Pulmonary disease, MassachusettsPrimaryLicense 282028 · taxonomy 207RP1001X

Pulmonologists near Dr. Calhoun

Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Tiara Forsyth Calhoun billed Medicare for 26 services in 2021

CMS data shows 26 Medicare services from Dr. Calhoun across 1 procedure code in 2021, for 17 Medicare patients. Medicare paid $3,046 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202126
Medicare patients17
Paid by Medicare$3,046
Procedure codes1

Dr. Calhoun's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 662021: 2661%

Dr. Calhoun compared with the Massachusetts median for pulmonologists, 2021

  • Dr. Calhoun
  • Massachusetts median
Medicare services
26vs 47595% below
Medicare patients
17vs 25593% below
Part D claims
18vs 32995% below

Medians across 481 pulmonologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Calhoun's most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Calhoun

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Tiara Forsyth Calhoun treated 17 Medicare patients in 2024, average age 72

CMS counts 17 Medicare patients who saw Dr. Calhoun in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.24, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Calhoun's median patient age at 72, with 37% women.

Medicare patients, 202417
Average age72
Average risk score1.24

Chronic conditions among Dr. Calhoun's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%

Share of Medicare patients with each condition. A patient can have several.

Dr. Calhoun's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women37%
  • Men63%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Tiara Forsyth Calhoun wrote 86 Medicare Part D claims in 2024

In 2024, Dr. Calhoun wrote 86 Medicare Part D claims for 16 patients. 31% of them were for generic drugs. CMS names the drug for 18 of them, across 1 drug with 11 or more claims each, at $68,166 in total drug cost. In 2023, CMS named 12 claims across 1 drug.

Part D claims, 202486
Drugs named by CMS1
Total drug cost$68,166
Part D patients16

Dr. Calhoun's Part D claims by kind of drug, 2024

  • Generic27 claims31%
  • Brand-name59 claims69%

Dr. Calhoun's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 122024: 1850%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Calhoun

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Tiara Forsyth Calhoun offers telehealth to Medicare patients

Dr. Calhoun accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Calhoun as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Tiara Forsyth Calhoun has 5 publications on record

Dmand AI links 5 papers to Dr. Calhoun, published from 2020 to 2025. 2020 was the busiest year, with 3. Dr. Calhoun's most frequent co-authors are Laura N. Brenner, MD, Raghu Ram Chivukula, MD, PhD and Jason Hunt Maley, MD.

Papers5
Years published2020 to 2025

Dr. Calhoun's papers by year, 2020 to 2025

Dr. Calhoun's most frequent co-authors

Recent publications by Dr. Calhoun

See all 5 publications and co-authors

See who Dr. Calhoun researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Calhoun works with, so you can find a warm path to the right pulmonologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Tiara Forsyth Calhoun graduated from Harvard Medical School

Dr. Calhoun graduated from Harvard Medical School in 2017.

  1. Medical schoolHarvard Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Tiara Forsyth Calhoun's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Tiara Forsyth Calhoun

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Tiara Forsyth Calhoun's NPI number?

Dr. Tiara Forsyth Calhoun's NPI number is 1902326101. It was assigned on June 20, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Tiara Forsyth Calhoun?

Dr. Tiara Forsyth Calhoun is a pulmonologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Tiara Forsyth Calhoun practice?

Dr. Calhoun practices at 75 Francis Street, Boston, MA 02115. Dr. Calhoun's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Calhoun to 3 medical groups, 2 group practices and clinics and 1 hospital outpatient department.

What is Dr. Tiara Forsyth Calhoun's office phone number?

The practice phone on file for Dr. Calhoun is (617) 732-5500.

What is Dr. Tiara Forsyth Calhoun's medical license number?

Dr. Calhoun holds Massachusetts license 282028.

Which hospitals is Dr. Tiara Forsyth Calhoun affiliated with?

Dr. Calhoun practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Calhoun is also affiliated with Dana-Farber Cancer Institute.

What medical group is Dr. Tiara Forsyth Calhoun part of?

Dr. Calhoun is linked to Massachusetts General Hospital. Dmand AI links Dr. Calhoun to 3 more medical groups.

Does Dr. Tiara Forsyth Calhoun accept Medicare?

Yes. CMS data shows Dr. Calhoun billed Medicare for 26 services in 2021, and Dr. Calhoun accepts Medicare assignment.

Does Dr. Tiara Forsyth Calhoun offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Calhoun as offering telehealth services.

How many Medicare patients does Dr. Tiara Forsyth Calhoun see?

CMS counts 17 Medicare patients who saw Dr. Calhoun in 2024, with an average age of 72.

Show 6 more questionsShow fewer questions

What services does Dr. Tiara Forsyth Calhoun bill to Medicare?

In 2021, Dr. Calhoun's most billed Medicare services were hospital inpatient care (99222).

Where did Dr. Tiara Forsyth Calhoun go to medical school?

Dr. Calhoun graduated from Harvard Medical School in 2017.

What drugs does Dr. Tiara Forsyth Calhoun prescribe most?

In 2024 Medicare Part D data, Dr. Calhoun's most prescribed drugs by claims were Dupixent Pen.

How long has Dr. Tiara Forsyth Calhoun been practicing?

Dr. Calhoun graduated from medical school in 2017, 9 years ago.

Does Dr. Tiara Forsyth Calhoun do research?

Dmand AI links 5 publications to Dr. Calhoun, published from 2020 to 2025.

Who does Dr. Tiara Forsyth Calhoun publish with?

Dr. Calhoun's most frequent co-authors are Laura N. Brenner, MD (3 shared papers), Raghu Ram Chivukula, MD, PhD (3 shared papers) and Jason Hunt Maley, MD (3 shared papers).

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