Dr. John Thomas O'Malley, MD, PhD

  • Boston, MA
  • Dermatologist
NPI1790002855
Medicare services, 2019
81
Part D claims, 2024
16
Publications
34
Industry payments
$1,106
Affiliated sites
1
Practice address
450 Brookline Ave, Boston, MA 02215
Practice phone
Call (617) 632-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Dana-Farber Cancer Institute

Boston, Massachusetts

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Dr. John Thomas O'Malley is a dermatologist in Boston, Massachusetts

Dr. O'Malley practices at Dana-Farber Cancer Institute in Boston, Massachusetts.

Dr. O'Malley's NPI, 1790002855, was assigned on April 29, 2010. Dr. O'Malley graduated from Indiana University School of Medicine in 2010. Dr. O'Malley holds Massachusetts license 259346.

NPI and contact details
NPI enumeration date
April 29, 2010
NPI status
Active
Practice phone
(617) 632-3000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

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

Dr. John Thomas O'Malley practices at Dana-Farber Cancer Institute in Boston, Massachusetts

Dr. O'Malley's primary practice is Dana-Farber Cancer Institute, at 450 Brookline Ave, Boston, MA 02215 in Suffolk County. The practice phone is (617) 632-3000.

  • Dana-Farber Cancer Institute
    450 Brookline Ave, Boston, MA 02215 · Suffolk CountyPhone(617) 632-3000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. John Thomas O'Malley is affiliated with 2 sites of care and 1 medical group

Dr. O'Malley's primary practice is Dana-Farber Cancer Institute in Boston, Massachusetts. The medical group on file is Binney Medical Group. Dmand AI also links Dr. O'Malley to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. O'Malley

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. John Thomas O'Malley's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Malley practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dana-Farber Cancer InstituteAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Thomas O'Malley is one of 562 dermatologists in Massachusetts

Dermatology is Dr. O'Malley's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dmand AI has Dr. O'Malley's licenses on file in 3 states: Massachusetts, Indiana and New York.

Specialties and state licenses

  • Dermatology, MassachusettsPrimaryLicense 259346 · taxonomy 207N00000X
  • Student in an organized health care education/training program, IndianaLicense 11015381A · taxonomy 390200000X
  • New York licenseLicense 243178

Dermatologists near Dr. O'Malley

Counts of dermatologists 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. John Thomas O'Malley billed Medicare for 81 services in 2019

CMS data shows 81 Medicare services from Dr. O'Malley across 2 procedure codes in 2019, all of them office visits. Medicare paid $4,702 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 201981
Paid by Medicare$4,702
Procedure codes2

Dr. O'Malley's Medicare services by type, 2018 to 2019

  • 2018
  • 2019
Office and hospital visits
2018: 812019: 81No change
Surgery
2018: 542019: 0100%

Dr. O'Malley compared with the Massachusetts median for dermatologists, 2019

  • Dr. O'Malley
  • Massachusetts median
Medicare services
81vs 1,61095% below
Part D claims
12vs 34797% below

Medians across 559 dermatologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. O'Malley's most billed Medicare procedure codes, 2019

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. O'Malley

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Malley and other dermatologists in Massachusetts.

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

Dr. John Thomas O'Malley's patients have a median age of 75

Across all payers, Dmand AI patient panel data puts Dr. O'Malley's median patient age at 75, with 32% women.

Dr. O'Malley's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women32%
  • Men68%

Source: Dmand AI Patient Panel Data

Dr. John Thomas O'Malley wrote 16 Medicare Part D claims in 2024

In 2024, Dr. O'Malley wrote 16 Medicare Part D claims. 94% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $171 in total drug cost. In 2018, CMS named 13 claims across 1 drug.

Part D claims, 202416
Drugs named by CMS1
Total drug cost$171

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

  • Generic15 claims94%
  • Brand-name and other1 claims6%

Dr. O'Malley's most prescribed drugs by claims, 2019

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, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 132019: 128%

Drugs named by CMS: 1 in 2019, 1 in 2018.

See all prescribing by Dr. O'Malley

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

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Dr. John Thomas O'Malley has 34 publications on record

Dmand AI links 34 papers to Dr. O'Malley, published from 2014 to 2025. 2018 was the busiest year, with 3. The most frequent topics are Dermatitis, Atopic, Skin and Double-Blind Method. Dr. O'Malley has published most often in Am J Clin Dermatol. Dr. O'Malley's most frequent co-authors are Thomas Seth Kupper, MD, Rachael A. Clark, MD, PhD and Nikhil Amin, MD.

Papers34
Years published2014 to 2025

Dr. O'Malley's papers by year, 2016 to 2025

Topics Dr. O'Malley writes about most

  • Dermatitis, Atopic
  • Skin
  • Double-Blind Method
  • Skin Neoplasms
  • Antibodies, Monoclonal, Humanized
  • CD8-Positive T-Lymphocytes
  • Mycosis Fungoides
  • T-Lymphocyte Subsets

Dr. O'Malley's most frequent co-authors

Recent publications by Dr. O'Malley

See all 34 publications and co-authors

See who Dr. O'Malley researches with

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

How network discovery works

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

Dr. John Thomas O'Malley received $1,106 in industry payments from 2016 to 2018

CMS Open Payments shows 10 general payments to Dr. O'Malley from 4 drug and device companies from 2016 to 2018. Travel and lodging make up the largest share, 62% of the total. Abbvie Inc. paid the most, $707.

General payments to Dr. O'Malley by program year, 2016 to 2018

General payments to Dr. O'Malley by kind, 2016 to 2018

$1.1Kin total
  • Travel and lodging$68962%
  • Food and beverage$40236%
  • Education$151%

Companies that paid Dr. O'Malley the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. O'Malley

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Thomas O'Malley graduated from Indiana University School of Medicine

Dr. O'Malley graduated from Indiana University School of Medicine in 2010.

  1. Medical schoolIndiana University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Thomas O'Malley'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 Data
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. John Thomas O'Malley

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. John Thomas O'Malley's NPI number?

Dr. John Thomas O'Malley's NPI number is 1790002855. It was assigned on April 29, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. John Thomas O'Malley?

Dr. John Thomas O'Malley is a dermatologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. John Thomas O'Malley practice?

Dr. O'Malley practices at 450 Brookline Ave, Boston, MA 02215. Dr. O'Malley's primary practice is Dana-Farber Cancer Institute in Boston, Massachusetts. Dmand AI also links Dr. O'Malley to 1 group practice or clinic.

What is Dr. John Thomas O'Malley's office phone number?

The practice phone on file for Dr. O'Malley is (617) 632-3000.

What is Dr. John Thomas O'Malley's medical license number?

Dr. O'Malley holds Massachusetts license 259346, one of the licenses on file in 3 states.

Which states has Dr. John Thomas O'Malley been licensed in?

Dmand AI has state licenses on file for Dr. O'Malley in Massachusetts, Indiana and New York.

What medical group is Dr. John Thomas O'Malley part of?

Dr. O'Malley is linked to Binney Medical Group.

Does Dr. John Thomas O'Malley accept Medicare?

Yes. CMS data shows Dr. O'Malley billed Medicare for 81 services in 2019.

What services does Dr. John Thomas O'Malley bill to Medicare?

In 2019, Dr. O'Malley's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).

Where did Dr. John Thomas O'Malley go to medical school?

Dr. O'Malley graduated from Indiana University School of Medicine in 2010.

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What drugs does Dr. John Thomas O'Malley prescribe most?

In 2019 Medicare Part D data, Dr. O'Malley's most prescribed drugs by claims were Triamcinolone Acetonide.

Has Dr. John Thomas O'Malley received payments from drug or device companies?

CMS Open Payments shows $1,106 in general payments to Dr. O'Malley from 4 companies from 2016 to 2018. The largest total came from Abbvie Inc.

How long has Dr. John Thomas O'Malley been practicing?

Dr. O'Malley graduated from medical school in 2010, 16 years ago.

Does Dr. John Thomas O'Malley do research?

Dmand AI links 34 publications to Dr. O'Malley, published from 2014 to 2025.

Who does Dr. John Thomas O'Malley publish with?

Dr. O'Malley's most frequent co-authors are Thomas Seth Kupper, MD (10 shared papers), Rachael A. Clark, MD, PhD (6 shared papers) and Nikhil Amin, MD (3 shared papers).

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