Dr. Christopher J. Gilligan, MD
- Medicare services, 2023
- 110
- Medicare patients, 2024
- 19
- Part D claims, 2022
- 13
- Publications
- 89
- Hospital affiliations
- 1
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gilligan'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. Christopher J. Gilligan is an emergency medicine physician in Boston, Massachusetts
Dr. Gilligan practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Gilligan's NPI, 1871798397, was assigned on June 15, 2007. Dr. Gilligan graduated from Yale University School of Medicine in 1996. Dr. Gilligan holds Massachusetts license 156756.
- NPI
- 1871798397NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103990031
- NPI enumeration date
- June 15, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher J. Gilligan practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Gilligan'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.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. Christopher J. Gilligan is affiliated with 3 sites of care and 3 medical groups
Dr. Gilligan's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is The Iowa Clinic. Dmand AI also links Dr. Gilligan to 2 more medical groups, 1 group practice or clinic and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher J. Gilligan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gilligan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher J. Gilligan is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Gilligan's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Gilligan is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Gilligan
Counts of emergency medicine physicians 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. Christopher J. Gilligan billed Medicare for 110 services in 2023
CMS data shows 110 Medicare services from Dr. Gilligan across 3 procedure codes in 2023, for 19 Medicare patients. Medicare paid $7,578 for them.
Dr. Gilligan's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 362023: 77114%
- Surgery
- 2022: 272023: 3322%
Where Dr. Gilligan's Medicare services took place, 2023
- In an office3330%
- In a facility7770%
Dr. Gilligan compared with the Massachusetts median for emergency medicine physicians, 2023
- Dr. Gilligan
- Massachusetts median
- Medicare services
- 110vs 34168% below
- Medicare patients
- 19vs 33794% below
- Part D claims
- 13vs 3664% below
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Gilligan's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gilligan and other emergency medicine physicians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher J. Gilligan treated 19 Medicare patients in 2024, average age 76
CMS counts 19 Medicare patients who saw Dr. Gilligan in 2024. The largest group is under 65, with 0 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gilligan's median patient age at 62, with 100% women.
Dr. Gilligan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Gilligan's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure74%
- Depression58%
- Mood disorders58%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gilligan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher J. Gilligan wrote 13 Medicare Part D claims in 2022
In 2022, Dr. Gilligan wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $205 in total drug cost. In 2021, CMS named 68 claims across 5 drugs.
Dr. Gilligan's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 682022: 1381%
Drugs named by CMS: 1 in 2022, 5 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Christopher J. Gilligan takes part in Medicare
Dr. Gilligan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Christopher J. Gilligan has 89 publications on record
Dmand AI links 89 papers to Dr. Gilligan, published from 2011 to 2025. 2023 was the busiest year, with 22. The most frequent topics are Chronic Pain, Spinal Cord Stimulation and Low Back Pain. Dr. Gilligan has published most often in Pain Pract. Dr. Gilligan's most frequent co-authors are Alaa A. Abd-Elsayed, Timothy Ray Deer, MD and Peter S. Staats, MD.
Dr. Gilligan's papers by year, 2014 to 2025
Topics Dr. Gilligan writes about most
- Chronic Pain
- Spinal Cord Stimulation
- Low Back Pain
- Spinal Cord
- Pain Management
- Pain Measurement
- Analgesics, Opioid
- Back Pain
Dr. Gilligan's most frequent co-authors
- Alaa A. Abd-Elsayed28 shared papers
- Timothy Ray Deer, MD15 shared papers
- Peter S. Staats, MD9 shared papers
Recent publications by Dr. Gilligan
Reg Anesth Pain Med
See who Dr. Gilligan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gilligan works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher J. Gilligan received $1,083,520 in industry payments from 2016 to 2025
CMS Open Payments shows 379 general payments to Dr. Gilligan from 19 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 47% of the total. MML US, Inc. paid the most, $899,077. It also lists 3 research payments totaling $1,887 in 2021.
General payments to Dr. Gilligan by program year, 2016 to 2025
General payments to Dr. Gilligan by kind, 2016 to 2025
- Consulting fees$506,21147%
- Speaker and faculty fees$490,40645%
- Travel and lodging$54,9795%
- Food and beverage$18,8802%
- Other$13,0441%
Companies that paid Dr. Gilligan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher J. Gilligan graduated from Yale University School of Medicine
Dr. Gilligan graduated from Yale University School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher J. Gilligan'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) |
| 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 |
| Industry payments | Open Payments (CMS) (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. Christopher J. Gilligan
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. Christopher J. Gilligan's NPI number?
Dr. Christopher J. Gilligan's NPI number is 1871798397. It was assigned on June 15, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher J. Gilligan?
Dr. Christopher J. Gilligan is an emergency medicine physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Christopher J. Gilligan practice?
Dr. Gilligan practices at 75 Francis Street, Boston, MA 02115. Dr. Gilligan's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Gilligan to 2 medical groups, 1 group practice or clinic and 1 hospital outpatient department.
What is Dr. Christopher J. Gilligan's office phone number?
The practice phone on file for Dr. Gilligan is (617) 732-5500.
What is Dr. Christopher J. Gilligan's medical license number?
Dr. Gilligan holds Massachusetts license 156756.
Which hospitals is Dr. Christopher J. Gilligan affiliated with?
Dr. Gilligan practices at Brigham and Women's Hospital in Boston, Massachusetts.
What medical group is Dr. Christopher J. Gilligan part of?
Dr. Gilligan is linked to The Iowa Clinic. Dmand AI links Dr. Gilligan to 2 more medical groups.
Does Dr. Christopher J. Gilligan accept Medicare?
Yes. CMS data shows Dr. Gilligan billed Medicare for 110 services in 2023, and Dr. Gilligan accepts Medicare assignment.
How many Medicare patients does Dr. Christopher J. Gilligan see?
CMS counts 19 Medicare patients who saw Dr. Gilligan in 2024, with an average age of 76.
What services does Dr. Christopher J. Gilligan bill to Medicare?
In 2023, Dr. Gilligan's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: brain, spine and nerves (62323).
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Where did Dr. Christopher J. Gilligan go to medical school?
Dr. Gilligan graduated from Yale University School of Medicine in 1996.
What drugs does Dr. Christopher J. Gilligan prescribe most?
In 2022 Medicare Part D data, Dr. Gilligan's most prescribed drugs by claims were Tramadol HCl.
Has Dr. Christopher J. Gilligan received payments from drug or device companies?
CMS Open Payments shows $1,083,520 in general payments to Dr. Gilligan from 19 companies from 2016 to 2025. The largest total came from MML US, Inc.
How long has Dr. Christopher J. Gilligan been practicing?
Dr. Gilligan graduated from medical school in 1996, 30 years ago.
Does Dr. Christopher J. Gilligan do research?
Dmand AI links 89 publications to Dr. Gilligan, published from 2011 to 2025.
Who does Dr. Christopher J. Gilligan publish with?
Dr. Gilligan's most frequent co-authors are Alaa A. Abd-Elsayed (28 shared papers), Timothy Ray Deer, MD (15 shared papers) and Peter S. Staats, MD (9 shared papers).
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