$31,687 in research paymentsMelanomaNevi and MelanomasLY3214996AbemaciclibCetuximab
Dr. Ryan J. Sullivan, MD
NPI1881696003PAC ID2668423336
- Medicare services, 2024
- 527
- Medicare patients, 2024
- 221
- Part D claims, 2024
- 87
- Clinical trials
- 1
- Hospital affiliations
- 6
- 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. Sullivan'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. Ryan J. Sullivan is an internist in Boston, Massachusetts
Dr. Sullivan practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Sullivan's NPI, 1881696003, was assigned on June 1, 2005. Dr. Sullivan graduated from University of Connecticut School of Medicine in 2001. Dr. Sullivan holds Massachusetts license 222743.
NPI and contact details
- NPI
- 1881696003NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668423336
- NPI enumeration date
- June 1, 2005
- 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
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan J. Sullivan practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Sullivan'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. Ryan J. Sullivan is affiliated with 7 sites of care and 4 medical groups
Dr. Sullivan's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Sullivan is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Sullivan to 4 more hospitals, 3 medical groups and 1 community health center, each named with a free account. Dr. Sullivan's employer is on file too: a hospital.
Brigham and Women's HospitalMassachusetts General Hospital4 hospitalsNames with a free account3 medical groupsNames with a free account1 community health centerName with a free accountEmployer: hospitalName with a free account
See all 11 affiliations for Dr. SullivanSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan J. Sullivan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sullivan practices, 7 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 |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan J. Sullivan is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Sullivan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sullivan is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Sullivan
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
5,528internists in Massachusetts1,712internists in Boston446internists at Massachusetts General Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ryan J. Sullivan billed Medicare for 527 services in 2024
CMS data shows 527 Medicare services from Dr. Sullivan across 5 procedure codes in 2024, for 221 Medicare patients. Medicare paid $52,234 for them.
Medicare services, 2024527
Medicare patients221
Paid by Medicare$52,234
Procedure codes5
Dr. Sullivan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4792024: 52710%
Where Dr. Sullivan's Medicare services took place, 2024
- In an office5210%
- In a facility47590%
Dr. Sullivan compared with the Massachusetts median for internists, 2024
- Dr. Sullivan
- Massachusetts median
- Medicare services
- 527vs 43122% above
- Medicare patients
- 221vs 19414% above
- Part D claims
- 23vs 40294% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Sullivan'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. Sullivan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sullivan and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan J. Sullivan treated 221 Medicare patients in 2024, average age 75
CMS counts 221 Medicare patients who saw Dr. Sullivan in 2024. The largest group is 75 to 84, with 97 patients. 72% of them have high cholesterol, and 68% have high blood pressure. 8% are also on Medicaid. Their average risk score is 2.17, 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. Sullivan's median patient age at 75, with 40% women.
Medicare patients, 2024221
Average age75
Average risk score2.17
Also on Medicaid8%
Dr. Sullivan's Medicare patients by age, 2024
Dr. Sullivan's Medicare patients by sex, 2024
- Women8036%
- Men14164%
Chronic conditions among Dr. Sullivan's Medicare patients, 2024
- High cholesterol72%
- High blood pressure68%
- Arthritis35%
- Ischemic heart disease30%
- Cancer26%
- Anxiety24%
- Atrial fibrillation23%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sullivan'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
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan J. Sullivan wrote 87 Medicare Part D claims in 2024
In 2024, Dr. Sullivan wrote 87 Medicare Part D claims for 33 patients. 68% of them were for generic drugs. CMS names the drug for 23 of them, across 1 drug with 11 or more claims each, at $151 in total drug cost. In 2023, CMS named 22 claims across 2 drugs.
Part D claims, 202487
Drugs named by CMS1
Total drug cost$151
Part D patients33
Dr. Sullivan's Part D claims by kind of drug, 2024
- Generic59 claims68%
- Brand-name and other28 claims32%
Dr. Sullivan'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: 222024: 235%
Drugs named by CMS: 1 in 2024, 2 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. Ryan J. Sullivan offers telehealth to Medicare patients
Dr. Sullivan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sullivan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ryan J. Sullivan has worked on 1 clinical trial
Dmand AI links Dr. Sullivan to 1 clinical trial. Conditions studied include Melanoma and Nevi and Melanomas. Open Payments lists research payments to Dr. Sullivan that name 1 trial.
Conditions in Dr. Sullivan's trials
- Melanoma
- Nevi and Melanomas
Investigators on the most trials with Dr. Sullivan
- Johanna Bendell, MD1 shared trial
- Timothy F. Burns, MD, PhD1 shared trial
- Stephen Liu, MD1 shared trial
Recent clinical trials with Dr. Sullivan
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryan J. Sullivan received $108,204 in industry payments from 2016 to 2025
CMS Open Payments shows 118 general payments to Dr. Sullivan from 18 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 81% of the total. Boehringer Ingelheim Pharma GmbH & Co.KG paid the most, $34,250. It also lists 18 research payments totaling $50,634 from 2016 to 2024, naming 1 clinical trial.
General payments to Dr. Sullivan by program year, 2016 to 2025
General payments to Dr. Sullivan by kind, 2016 to 2025
$108.2Kin total
- Consulting fees$87,84281%
- Honoraria$8,7508%
- Travel and lodging$6,8686%
- Food and beverage$2,7803%
- Other$1,9642%
Companies that paid Dr. Sullivan 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. Ryan J. Sullivan graduated from University of Connecticut School of Medicine
Dr. Sullivan graduated from University of Connecticut School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryan J. Sullivan'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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (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. Ryan J. Sullivan
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. Ryan J. Sullivan's NPI number?
Dr. Ryan J. Sullivan's NPI number is 1881696003. It was assigned on June 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan J. Sullivan?
Dr. Ryan J. Sullivan is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ryan J. Sullivan practice?
Dr. Sullivan practices at 55 Fruit Street, Boston, MA 02114. Dr. Sullivan's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Sullivan to 4 hospitals, 3 medical groups and 1 community health center.
What is Dr. Ryan J. Sullivan's office phone number?
The practice phone on file for Dr. Sullivan is (617) 726-2000.
What is Dr. Ryan J. Sullivan's medical license number?
Dr. Sullivan holds Massachusetts license 222743.
Which hospitals is Dr. Ryan J. Sullivan affiliated with?
Dr. Sullivan practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Sullivan is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Sullivan to 4 more hospitals.
What medical group is Dr. Ryan J. Sullivan part of?
Dr. Sullivan is linked to Massachusetts General Hospital. Dmand AI links Dr. Sullivan to 3 more medical groups.
Does Dr. Ryan J. Sullivan accept Medicare?
Yes. CMS data shows Dr. Sullivan billed Medicare for 527 services in 2024, and Dr. Sullivan accepts Medicare assignment.
Does Dr. Ryan J. Sullivan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sullivan as offering telehealth services.
How many Medicare patients does Dr. Ryan J. Sullivan see?
CMS counts 221 Medicare patients who saw Dr. Sullivan in 2024, with an average age of 75.
Show 6 more questionsShow fewer questions
What services does Dr. Ryan J. Sullivan bill to Medicare?
In 2024, Dr. Sullivan's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and hospital inpatient care (99233).
Where did Dr. Ryan J. Sullivan go to medical school?
Dr. Sullivan graduated from University of Connecticut School of Medicine in 2001.
What drugs does Dr. Ryan J. Sullivan prescribe most?
In 2024 Medicare Part D data, Dr. Sullivan's most prescribed drugs by claims were Prednisone.
Has Dr. Ryan J. Sullivan received payments from drug or device companies?
CMS Open Payments shows $108,204 in general payments to Dr. Sullivan from 18 companies from 2016 to 2025. The largest total came from Boehringer Ingelheim Pharma GmbH & Co.KG.
How long has Dr. Ryan J. Sullivan been practicing?
Dr. Sullivan graduated from medical school in 2001, 25 years ago.
Does Dr. Ryan J. Sullivan do research?
Dr. Sullivan has worked on 1 clinical trial.
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