Dr. James Stephen Farrelly, MD
- Medicare services, 2024
- 76
- Medicare patients, 2024
- 102
- Part D claims, 2024
- 20
- Publications
- 8
- MIPS score, 2024
- 87
- Practice address
- 50 Division St, New Haven, CT 06511
- Practice phone
- Call (203) 785-2140
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale Medicine
New Haven, Connecticut
Find Dr. Farrelly'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. James Stephen Farrelly is a general surgeon in New Haven, Connecticut
Dr. Farrelly practices at Yale Medicine in New Haven, Connecticut.
Dr. Farrelly's NPI, 1255777462, was assigned on May 14, 2013. Dr. Farrelly graduated from State University of New York Downstate Medical Center College of Medicine in 2013. Dr. Farrelly holds Connecticut license 65045.
- NPI
- 1255777462NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507178910
- NPI enumeration date
- May 14, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 785-2140
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Stephen Farrelly practices at Yale Medicine in New Haven, Connecticut
Dr. Farrelly's primary practice is Yale Medicine, at 50 Division St, New Haven, CT 06511 in South Central Ct County. The practice phone is (203) 785-2140.
- Yale Medicine50 Division St, New Haven, CT 06511 · South Central Ct CountyPhone(203) 785-2140
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James Stephen Farrelly is affiliated with 4 sites of care and 2 medical groups
Dr. Farrelly's primary practice is Yale Medicine in New Haven, Connecticut. Dr. Farrelly is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Dr. Farrelly to 2 more hospitals and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Stephen Farrelly's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Farrelly practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale Medicine | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Stephen Farrelly is one of 303 general surgeons in Connecticut
Surgery is Dr. Farrelly's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Farrelly is licensed in Connecticut.
Specialties and state licenses
- Surgery, ConnecticutPrimary
General surgeons near Dr. Farrelly
Counts of general surgeons 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. James Stephen Farrelly billed Medicare for 76 services in 2024
CMS data shows 76 Medicare services from Dr. Farrelly across 3 procedure codes in 2024, for 102 Medicare patients. Medicare paid $6,916 for them.
Dr. Farrelly's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1062024: 7628%
Where Dr. Farrelly's Medicare services took place, 2024
- In an office6484%
- In a facility1216%
Dr. Farrelly compared with the Connecticut median for general surgeons, 2024
- Dr. Farrelly
- Connecticut median
- Medicare services
- 76vs 10930% below
- Medicare patients
- 102vs 957% above
Medians across 295 general surgeons in Connecticut with Dmand AI profiles that report each measure.
Dr. Farrelly'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Stephen Farrelly treated 102 Medicare patients in 2024, average age 77
CMS counts 102 Medicare patients who saw Dr. Farrelly in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.73, 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. Farrelly's median patient age at 67, with 56% women.
Dr. Farrelly's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Farrelly's Medicare patients by sex, 2024
- Women5352%
- Men4948%
Chronic conditions among Dr. Farrelly's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes30%
- Mood disorders29%
- Ischemic heart disease27%
- Osteoporosis25%
- Cancer24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Farrelly's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Stephen Farrelly wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Farrelly wrote 20 Medicare Part D claims for 14 patients. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. James Stephen Farrelly scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Farrelly for performance year 2024, reported as part of a group. Dr. Farrelly accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 22 procedures of hernia repair (minimally invasive) by Dr. Farrelly, more than 90% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Farrelly's MIPS scores, performance year 2024
- 87of 100Final score
- 77.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Farrelly ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 90th percentile22 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. James Stephen Farrelly has 8 publications on record
Dmand AI links 8 papers to Dr. Farrelly, published from 2016 to 2024. 2018 was the busiest year, with 2. The most frequent topics are Meningomyelocele, Alginates and Disease Models, Animal. Dr. Farrelly has published most often in J Pediatr Surg. Dr. Farrelly's most frequent co-authors are David Stitelman, MD, Samantha Lynn Ahle, MD and Mollie Rose Freedman-Weiss, MD.
Dr. Farrelly's papers by year, 2016 to 2024
Topics Dr. Farrelly writes about most
- Meningomyelocele
- Alginates
- Disease Models, Animal
- Fetal Therapies
- Fetus
Dr. Farrelly's most frequent co-authors
- David Stitelman, MD7 shared papers
- Samantha Lynn Ahle, MD4 shared papers
- Mollie Rose Freedman-Weiss, MD4 shared papers
Recent publications by Dr. Farrelly
J Pediatr Surg
See who Dr. Farrelly researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Farrelly works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James Stephen Farrelly received $11,366 in industry payments from 2022 to 2025
CMS Open Payments shows 39 general payments to Dr. Farrelly from 4 drug and device companies from 2022 to 2025. Education make up the largest share, 57% of the total. Intuitive Surgical, Inc. paid the most, $9,592.
General payments to Dr. Farrelly by program year, 2022 to 2025
General payments to Dr. Farrelly by kind, 2022 to 2025
- Education$6,50057%
- Travel and lodging$3,69332%
- Food and beverage$1,17210%
Companies that paid Dr. Farrelly the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Stephen Farrelly graduated from State University of New York Downstate Medical Center College of Medicine
Dr. Farrelly graduated from State University of New York Downstate Medical Center College of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Stephen Farrelly'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 (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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. James Stephen Farrelly
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What is Dr. James Stephen Farrelly's NPI number?
Dr. James Stephen Farrelly's NPI number is 1255777462. It was assigned on May 14, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. James Stephen Farrelly?
Dr. James Stephen Farrelly is a general surgeon in New Haven, Connecticut. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. James Stephen Farrelly practice?
Dr. Farrelly practices at 50 Division St, New Haven, CT 06511. Dr. Farrelly's primary practice is Yale Medicine in New Haven, Connecticut. Dmand AI also links Dr. Farrelly to 2 hospitals and 1 medical group.
What is Dr. James Stephen Farrelly's office phone number?
The practice phone on file for Dr. Farrelly is (203) 785-2140.
What is Dr. James Stephen Farrelly's medical license number?
Dr. Farrelly holds Connecticut license 65045.
Which hospitals is Dr. James Stephen Farrelly affiliated with?
Dr. Farrelly is affiliated with Yale New Haven Hospital. Dmand AI links Dr. Farrelly to 2 more hospitals.
What medical group is Dr. James Stephen Farrelly part of?
Dr. Farrelly is linked to Yale Health. Dmand AI links Dr. Farrelly to 1 more medical group.
Does Dr. James Stephen Farrelly accept Medicare?
Yes. CMS data shows Dr. Farrelly billed Medicare for 76 services in 2024, and Dr. Farrelly accepts Medicare assignment.
What is Dr. James Stephen Farrelly's MIPS score?
Dr. Farrelly's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. James Stephen Farrelly see?
CMS counts 102 Medicare patients who saw Dr. Farrelly in 2024, with an average age of 77.
Show 6 more questionsShow fewer questions
What services does Dr. James Stephen Farrelly bill to Medicare?
In 2024, Dr. Farrelly's most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and hospital inpatient care (99222).
Where did Dr. James Stephen Farrelly go to medical school?
Dr. Farrelly graduated from State University of New York Downstate Medical Center College of Medicine in 2013.
Has Dr. James Stephen Farrelly received payments from drug or device companies?
CMS Open Payments shows $11,366 in general payments to Dr. Farrelly from 4 companies from 2022 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. James Stephen Farrelly been practicing?
Dr. Farrelly graduated from medical school in 2013, 13 years ago.
Does Dr. James Stephen Farrelly do research?
Dmand AI links 8 publications to Dr. Farrelly, published from 2016 to 2024.
Who does Dr. James Stephen Farrelly publish with?
Dr. Farrelly's most frequent co-authors are David Stitelman, MD (7 shared papers), Samantha Lynn Ahle, MD (4 shared papers) and Mollie Rose Freedman-Weiss, MD (4 shared papers).
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