Clin Gastroenterol Hepatol
Dr. Michael Phillip Dorfman, MD
- Medicare services, 2024
- 479
- Medicare patients, 2024
- 266
- Part D claims, 2024
- 1,176
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 687 Main Street, Branford, CT 06405
- Practice phone
- Call (203) 481-0315
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Branford Endoscopy Center
Surgery Center - Medicare-Certified · Branford, Connecticut
Find Dr. Dorfman'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. Michael Phillip Dorfman is a gastroenterologist in Branford, Connecticut
Dr. Dorfman practices at Branford Endoscopy Center in Branford, Connecticut.
Dr. Dorfman's NPI, 1164658555, was assigned on May 31, 2009. Dr. Dorfman graduated from State University of New York at Stony Brook, School of Medicine in 2006. Dr. Dorfman holds Connecticut license 050682.
- NPI
- 1164658555NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769640234
- NPI enumeration date
- May 31, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 481-0315
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Phillip Dorfman practices at Branford Endoscopy Center in Branford, Connecticut
Dr. Dorfman's primary practice is Branford Endoscopy Center, at 687 Main Street, Branford, CT 06405. The practice phone is (203) 481-0315.
- Branford Endoscopy Center687 Main Street, Branford, CT 06405Phone(203) 481-0315
Source: Dmand AI Affiliation Data
Dr. Michael Phillip Dorfman is affiliated with 4 sites of care and 2 medical groups
Dr. Dorfman's primary practice is Branford Endoscopy Center in Branford, Connecticut. Dr. Dorfman is also affiliated with Yale New Haven Hospital. The medical group on file is Digestive Disease Associates. Dmand AI also links Dr. Dorfman to 2 more group practices and clinics and 1 medical group, 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. Michael Phillip Dorfman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dorfman practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Branford Endoscopy Center | 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. Michael Phillip Dorfman is one of 298 gastroenterologists in Connecticut
Gastroenterology is Dr. Dorfman's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Dorfman is licensed in Connecticut.
Specialties and state licenses
- Gastroenterology, ConnecticutPrimary
Gastroenterologists near Dr. Dorfman
Counts of gastroenterologists 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. Michael Phillip Dorfman billed Medicare for 479 services in 2024
CMS data shows 479 Medicare services from Dr. Dorfman across 12 procedure codes in 2024, for 266 Medicare patients. Medicare paid $50,521 for them.
Dr. Dorfman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2722024: 2948%
- Surgery
- 2023: 1742024: 1856%
Where Dr. Dorfman's Medicare services took place, 2024
- In an office25754%
- In a facility22246%
Dr. Dorfman compared with the Connecticut median for gastroenterologists, 2024
- Dr. Dorfman
- Connecticut median
- Medicare services
- 479vs 36133% above
- Medicare patients
- 266vs 2535% above
- Part D claims
- 1,050vs 53895% above
Medians across 284 gastroenterologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Dorfman'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. Dorfman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dorfman and other gastroenterologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Phillip Dorfman treated 266 Medicare patients in 2024, average age 73
CMS counts 266 Medicare patients who saw Dr. Dorfman in 2024. The largest group is 65 to 74, with 119 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dorfman's median patient age at 71, with 43% women.
Dr. Dorfman's Medicare patients by age, 2024
Dr. Dorfman's Medicare patients by sex, 2024
- Women12346%
- Men14354%
Chronic conditions among Dr. Dorfman's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis45%
- Ischemic heart disease29%
- Mood disorders27%
- Anxiety24%
- Cancer24%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dorfman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women43%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Phillip Dorfman wrote 1,176 Medicare Part D claims in 2024
In 2024, Dr. Dorfman wrote 1,176 Medicare Part D claims for 468 patients. 83% of them were for generic drugs. CMS names the drug for 1,050 of them, across 16 drugs with 11 or more claims each, at $769,889 in total drug cost. In 2023, CMS named 1,065 claims across 16 drugs.
Dr. Dorfman's Part D claims by kind of drug, 2024
- Generic981 claims83%
- Brand-name195 claims17%
Dr. Dorfman'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. Dorfman's Part D claims, 2024
- Antibiotics1%15 of 1,176 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: 1,0652024: 1,0501%
Drugs named by CMS: 16 in 2024, 16 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. Michael Phillip Dorfman ranks in the 79th percentile for colonoscopy in Medicare
Dr. Dorfman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 95 procedures of colonoscopy by Dr. Dorfman, more than 79% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Dorfman ranks in Medicare procedure volume
- Colonoscopy
- 79th percentile95 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 68th percentile64 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Phillip Dorfman has 2 publications on record
Dmand AI links 2 papers to Dr. Dorfman in 2017. Dr. Dorfman's most frequent co-authors are Dennis S. Chi, MD, Georgia Molly Close, MD and Christopher John Dimaio, MD.
Dr. Dorfman's most frequent co-authors
- Dennis S. Chi, MD1 shared paper
- Georgia Molly Close, MD1 shared paper
- Christopher John Dimaio, MD1 shared paper
Recent publications by Dr. Dorfman
Gastrointest Endosc
See who Dr. Dorfman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dorfman works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael Phillip Dorfman received $8,156 in industry payments from 2016 to 2025
CMS Open Payments shows 456 general payments to Dr. Dorfman from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Abbvie Inc. paid the most, $1,917.
General payments to Dr. Dorfman by program year, 2016 to 2025
General payments to Dr. Dorfman by kind, 2016 to 2025
- Food and beverage$7,71595%
- Gifts$4125%
- Education$160%
- Consulting fees$120%
Companies that paid Dr. Dorfman 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. Michael Phillip Dorfman graduated from State University of New York at Stony Brook, School of Medicine
Dr. Dorfman graduated from State University of New York at Stony Brook, School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Phillip Dorfman'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)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. Michael Phillip Dorfman
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. Michael Phillip Dorfman's NPI number?
Dr. Michael Phillip Dorfman's NPI number is 1164658555. It was assigned on May 31, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Phillip Dorfman?
Dr. Michael Phillip Dorfman is a gastroenterologist in Branford, Connecticut. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Michael Phillip Dorfman practice?
Dr. Dorfman practices at 687 Main Street, Branford, CT 06405. Dr. Dorfman's primary practice is Branford Endoscopy Center in Branford, Connecticut. Dmand AI also links Dr. Dorfman to 2 group practices and clinics and 1 medical group.
What is Dr. Michael Phillip Dorfman's office phone number?
The practice phone on file for Dr. Dorfman is (203) 481-0315.
What is Dr. Michael Phillip Dorfman's medical license number?
Dr. Dorfman holds Connecticut license 050682.
Which hospitals is Dr. Michael Phillip Dorfman affiliated with?
Dr. Dorfman is affiliated with Yale New Haven Hospital.
What medical group is Dr. Michael Phillip Dorfman part of?
Dr. Dorfman is linked to Digestive Disease Associates. Dmand AI links Dr. Dorfman to 1 more medical group.
Does Dr. Michael Phillip Dorfman accept Medicare?
Yes. CMS data shows Dr. Dorfman billed Medicare for 479 services in 2024, and Dr. Dorfman accepts Medicare assignment.
How many Medicare patients does Dr. Michael Phillip Dorfman see?
CMS counts 266 Medicare patients who saw Dr. Dorfman in 2024, with an average age of 73.
What services does Dr. Michael Phillip Dorfman bill to Medicare?
In 2024, Dr. Dorfman's most billed Medicare services were office visit, established patient (99213), surgery: digestive system (45385) and office visit, established patient (99214).
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Where did Dr. Michael Phillip Dorfman go to medical school?
Dr. Dorfman graduated from State University of New York at Stony Brook, School of Medicine in 2006.
What drugs does Dr. Michael Phillip Dorfman prescribe most?
In 2024 Medicare Part D data, Dr. Dorfman's most prescribed drugs by claims were Omeprazole, Sod Sulf-Potass Sulf-Mag Sulf and Pantoprazole Sodium.
Has Dr. Michael Phillip Dorfman received payments from drug or device companies?
CMS Open Payments shows $8,156 in general payments to Dr. Dorfman from 39 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Michael Phillip Dorfman been practicing?
Dr. Dorfman graduated from medical school in 2006, 20 years ago.
Does Dr. Michael Phillip Dorfman do research?
Dmand AI links 2 publications to Dr. Dorfman.
Who does Dr. Michael Phillip Dorfman publish with?
Dr. Dorfman's most frequent co-authors are Dennis S. Chi, MD (1 shared paper), Georgia Molly Close, MD (1 shared paper) and Christopher John Dimaio, MD (1 shared paper).
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