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Dr. Kelly E. Irwin, MD
NPI1013176650PAC ID2163680745
- Medicare services, 2024
- 17
- Medicare patients, 2024
- 21
- Part D claims, 2024
- 395
- Publications
- 41
- Clinical trials
- 1
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Irwin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Kelly E. Irwin is a psychiatrist in Boston, Massachusetts
Dr. Irwin practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Irwin's NPI, 1013176650, was assigned on June 9, 2008. Dr. Irwin graduated from Harvard Medical School in 2008. Dr. Irwin holds Massachusetts license 245575.
NPI and contact details
- NPI
- 1013176650NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163680745
- NPI enumeration date
- June 9, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kelly E. Irwin practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Irwin's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Kelly E. Irwin is affiliated with 5 sites of care and 3 medical groups
Dr. Irwin's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Irwin to 3 more group practices and clinics, 2 medical groups and 1 community health center, each named with a free account. Dr. Irwin's employer is on file too: a hospital.
Massachusetts General Hospital3 group practices and clinicsNames with a free account2 medical groupsNames with a free account1 community health centerName with a free accountEmployer: hospitalName with a free account
See all 8 affiliations for Dr. IrwinSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kelly E. Irwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Irwin practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kelly E. Irwin is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Irwin's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Irwin is licensed in Massachusetts.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
Psychiatrists near Dr. Irwin
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
1,857psychiatrists in Massachusetts497psychiatrists in Boston136psychiatrists at Massachusetts General Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Kelly E. Irwin billed Medicare for 17 services in 2024
CMS data shows 17 Medicare services from Dr. Irwin across 1 procedure code in 2024, all of them office visits, for 21 Medicare patients. Medicare paid $1,566 for them. Every service was in an office.
Medicare services, 202417
Medicare patients21
Paid by Medicare$1,566
Procedure codes1
Dr. Irwin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 562024: 1770%
Dr. Irwin compared with the Massachusetts median for psychiatrists, 2024
- Dr. Irwin
- Massachusetts median
- Medicare services
- 17vs 17290% below
- Medicare patients
- 21vs 4250% below
- Part D claims
- 287vs 923.1 times
Medians across 2,056 psychiatrists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Irwin's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Irwin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Irwin and other psychiatrists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kelly E. Irwin treated 21 Medicare patients in 2024, average age 62
CMS counts 21 Medicare patients who saw Dr. Irwin in 2024. 75% of them have mood disorders, and 71% have high blood pressure. Their average risk score is 3.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Irwin's median patient age at 68, with 58% women.
Medicare patients, 202421
Average age62
Average risk score3.17
Chronic conditions among Dr. Irwin's Medicare patients, 2024
- Mood disorders75%
- High blood pressure71%
- Depression67%
- Anxiety62%
- Cancer52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Irwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kelly E. Irwin wrote 395 Medicare Part D claims in 2024
In 2024, Dr. Irwin wrote 395 Medicare Part D claims for 38 patients. 99% of them were for generic drugs. CMS names the drug for 287 of them, across 15 drugs with 11 or more claims each, at $23,891 in total drug cost. In 2023, CMS named 285 claims across 11 drugs.
Part D claims, 2024395
Drugs named by CMS15
Total drug cost$23,891
Part D patients38
Dr. Irwin's Part D claims by kind of drug, 2024
- Generic390 claims99%
- Brand-name and other5 claims1%
Dr. Irwin'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.
Drug classes CMS tracks in Dr. Irwin's Part D claims, 2024
- Antipsychotics, patients 65 and over10%40 of 395 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2852024: 2871%
Drugs named by CMS: 15 in 2024, 11 in 2023.
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. Kelly E. Irwin offers telehealth to Medicare patients
Dr. Irwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Irwin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kelly E. Irwin has 41 publications on record
Dmand AI links 41 papers to Dr. Irwin, published from 2013 to 2025. 2023 was the busiest year, with 5. The most frequent topics are Mental Disorders, Healthcare Disparities and Lung Neoplasms. Dr. Irwin has published most often in J Am Coll Radiol. Dr. Irwin's most frequent co-authors are Oliver Freudenreich, MD, Annekathryn Goodman, MD and Surbhi Grover, MD.
Papers41
Years published2013 to 2025
Dr. Irwin's papers by year, 2015 to 2025
Topics Dr. Irwin writes about most
- Mental Disorders
- Healthcare Disparities
- Lung Neoplasms
- Early Detection of Cancer
- Palliative Care
- COVID-19
- Qualitative Research
- Smoking Cessation
Dr. Irwin's most frequent co-authors
- Oliver Freudenreich, MD3 shared papers
- Annekathryn Goodman, MD3 shared papers
- Surbhi Grover, MD3 shared papers
Recent publications by Dr. Irwin
Dan Med J
CommunicationDenmarkFamily
AsianCOVID-19Early Detection of Cancer
COVID-19COVID-19 VaccinesGroup Homes
See who Dr. Irwin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Irwin works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kelly E. Irwin has worked on 1 clinical trial
Dmand AI links Dr. Irwin to 1 clinical trial. Conditions studied include Bipolar and Related Disorders and Bipolar Disorder.
Conditions in Dr. Irwin's trials
- Bipolar and Related Disorders
- Bipolar Disorder
Recent clinical trials with Dr. Irwin
Bipolar and Related DisordersBipolar Disorder
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Kelly E. Irwin graduated from Harvard Medical School
Dr. Irwin graduated from Harvard Medical School in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kelly E. Irwin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Kelly E. Irwin
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. Kelly E. Irwin's NPI number?
Dr. Kelly E. Irwin's NPI number is 1013176650. It was assigned on June 9, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Kelly E. Irwin?
Dr. Kelly E. Irwin is a psychiatrist in Boston, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Kelly E. Irwin practice?
Dr. Irwin practices at 55 Fruit Street, Boston, MA 02114. Dr. Irwin's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Irwin to 3 group practices and clinics, 2 medical groups and 1 community health center.
What is Dr. Kelly E. Irwin's office phone number?
The practice phone on file for Dr. Irwin is (617) 726-2000.
What is Dr. Kelly E. Irwin's medical license number?
Dr. Irwin holds Massachusetts license 245575.
Which hospitals is Dr. Kelly E. Irwin affiliated with?
Dr. Irwin practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Kelly E. Irwin part of?
Dr. Irwin is linked to Massachusetts General Hospital. Dmand AI links Dr. Irwin to 2 more medical groups.
Does Dr. Kelly E. Irwin accept Medicare?
Yes. CMS data shows Dr. Irwin billed Medicare for 17 services in 2024, and Dr. Irwin accepts Medicare assignment.
Does Dr. Kelly E. Irwin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Irwin as offering telehealth services.
How many Medicare patients does Dr. Kelly E. Irwin see?
CMS counts 21 Medicare patients who saw Dr. Irwin in 2024, with an average age of 62.
Show 6 more questionsShow fewer questions
What services does Dr. Kelly E. Irwin bill to Medicare?
In 2024, Dr. Irwin's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Kelly E. Irwin go to medical school?
Dr. Irwin graduated from Harvard Medical School in 2008.
What drugs does Dr. Kelly E. Irwin prescribe most?
In 2024 Medicare Part D data, Dr. Irwin's most prescribed drugs by claims were Lorazepam, Lamotrigine and Risperidone.
How long has Dr. Kelly E. Irwin been practicing?
Dr. Irwin graduated from medical school in 2008, 18 years ago.
Does Dr. Kelly E. Irwin do research?
Dmand AI links 41 publications to Dr. Irwin, published from 2013 to 2025. Dr. Irwin has worked on 1 clinical trial.
Who does Dr. Kelly E. Irwin publish with?
Dr. Irwin's most frequent co-authors are Oliver Freudenreich, MD (3 shared papers), Annekathryn Goodman, MD (3 shared papers) and Surbhi Grover, MD (3 shared papers).
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