Dr. Francis Paul Colizzo, MD
- Medicare services, 2023
- 143
- Part D claims, 2024
- 17
- Publications
- 21
- Hospital affiliations
- 1
- Industry payments
- $48
- 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. Colizzo'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. Francis Paul Colizzo is a gastroenterologist in Boston, Massachusetts
Dr. Colizzo practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Colizzo's NPI, 1235105701, was assigned on February 24, 2006. Dr. Colizzo graduated from Sidney Kimmel Medical College in 1991. Dr. Colizzo holds New Hampshire license 11497.
- NPI
- 1235105701NPI Registry (opens in a new tab)
- NPI enumeration date
- February 24, 2006
- NPI status
- Active
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Francis Paul Colizzo practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Colizzo'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. Francis Paul Colizzo is affiliated with 2 sites of care and 2 medical groups
Dr. Colizzo's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Colizzo to 1 more community health center 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. Francis Paul Colizzo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Colizzo practices, 2 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 |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Francis Paul Colizzo is one of 597 gastroenterologists in Massachusetts
Gastroenterology is Dr. Colizzo's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Colizzo is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Colizzo's licenses on file in 3 states: New Hampshire, Massachusetts and Pennsylvania.
Specialties and state licenses
- Gastroenterology, New HampshirePrimary
- Massachusetts license
- Pennsylvania license
Clinical focus
Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), colonoscopy, fatty liver, gastroenteritis, intestinal or bowel obstruction, irritable bowel syndrome (IBS) and upper GI endoscopy among the conditions Dr. Colizzo treats.
Gastroenterologists near Dr. Colizzo
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. Francis Paul Colizzo billed Medicare for 143 services in 2023
CMS data shows 143 Medicare services from Dr. Colizzo across 7 procedure codes in 2023. Medicare paid $11,447 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Colizzo's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Surgery
- 2022: 1982023: 6468%
- Office and hospital visits
- 2022: 2162023: 4579%
- Other services
- 2022: 1162023: 3471%
Dr. Colizzo compared with the Massachusetts median for gastroenterologists, 2023
- Dr. Colizzo
- Massachusetts median
- Medicare services
- 143vs 51972% below
- Part D claims
- 89vs 30070% below
Medians across 583 gastroenterologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Colizzo'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.
Need commercial claims for Dr. Colizzo?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Colizzo and other gastroenterologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Francis Paul Colizzo's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Colizzo's median patient age at 75, with 73% women.
Dr. Colizzo'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
- Women73%
- Men27%
Source: Dmand AI Patient Panel Data
Dr. Francis Paul Colizzo wrote 17 Medicare Part D claims in 2024
In 2024, Dr. Colizzo wrote 17 Medicare Part D claims. 94% of them were for generic drugs. They cover 4 drugs, with $864,452 in total drug cost. In 2022, CMS named 427 claims across 19 drugs.
Dr. Colizzo's Part D claims by kind of drug, 2024
- Generic16 claims94%
- Brand-name and other1 claims6%
Dr. Colizzo's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 4272023: 8979%
Drugs named by CMS: 4 in 2023, 19 in 2022.
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. Francis Paul Colizzo has 21 publications on record
Dmand AI links 21 papers to Dr. Colizzo, published from 2017 to 2021. 2020 was the busiest year, with 4. The most frequent topics are Colitis, Ulcerative, Inflammatory Bowel Diseases and Cattle. Dr. Colizzo has published most often in Clin Gastroenterol Hepatol. Dr. Colizzo's most frequent co-authors are Jay Luther, MD, Peter Joseph Carolan, MD and Daniel C. Chung, MD.
Dr. Colizzo's papers by year, 2017 to 2021
Topics Dr. Colizzo writes about most
- Colitis, Ulcerative
- Inflammatory Bowel Diseases
- Cattle
- Cilia
- Crohn Disease
- Epithelium
- Gastrointestinal Agents
- Trachea
Dr. Colizzo's most frequent co-authors
- Jay Luther, MD7 shared papers
- Peter Joseph Carolan, MD3 shared papers
- Daniel C. Chung, MD3 shared papers
Recent publications by Dr. Colizzo
Cancer Prev Res (Phila)
Clin Gastroenterol Hepatol
See who Dr. Colizzo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Colizzo 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. Francis Paul Colizzo received $48 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Colizzo from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Celgene Corporation paid the most, $48.
Companies that paid Dr. Colizzo the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Francis Paul Colizzo graduated from Sidney Kimmel Medical College
Dr. Colizzo graduated from Sidney Kimmel Medical College in 1991.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Francis Paul Colizzo accepts plans from 3 insurance carriers
Dr. Colizzo is in network with 3 carriers, including Molina, RI State Medicaid and VT State Medicaid. Medicaid plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Molina
- RI State Medicaid
- VT State Medicaid
Plan types Dr. Colizzo accepts, by number of carriers
- Medicaid3
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Francis Paul Colizzo'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 Data |
| 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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Francis Paul Colizzo
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. Francis Paul Colizzo's NPI number?
Dr. Francis Paul Colizzo's NPI number is 1235105701. It was assigned on February 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Francis Paul Colizzo?
Dr. Francis Paul Colizzo is a gastroenterologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Francis Paul Colizzo practice?
Dr. Colizzo practices at 55 Fruit Street, Boston, MA 02114. Dr. Colizzo's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Colizzo to 1 community health center and 1 medical group.
What is Dr. Francis Paul Colizzo's office phone number?
The practice phone on file for Dr. Colizzo is (617) 726-2000.
What is Dr. Francis Paul Colizzo's medical license number?
Dr. Colizzo holds New Hampshire license 11497, one of the licenses on file in 3 states.
Which states has Dr. Francis Paul Colizzo been licensed in?
Dmand AI has state licenses on file for Dr. Colizzo in New Hampshire (since 2002), Massachusetts (1994 to 2027) and Pennsylvania (1993 to 1994).
Which hospitals is Dr. Francis Paul Colizzo affiliated with?
Dr. Colizzo practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Francis Paul Colizzo part of?
Dr. Colizzo is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Colizzo to 1 more medical group.
Does Dr. Francis Paul Colizzo accept Medicare?
Yes. CMS data shows Dr. Colizzo billed Medicare for 143 services in 2023.
Is Dr. Francis Paul Colizzo board certified?
Yes. Dr. Colizzo is board certified in gastroenterology by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Francis Paul Colizzo bill to Medicare?
In 2023, Dr. Colizzo's most billed Medicare services were medicare service (G0500), office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. Francis Paul Colizzo go to medical school?
Dr. Colizzo graduated from Sidney Kimmel Medical College in 1991.
What drugs does Dr. Francis Paul Colizzo prescribe most?
In 2023 Medicare Part D data, Dr. Colizzo's most prescribed drugs by claims were Omeprazole, Stelara and Gabapentin.
Has Dr. Francis Paul Colizzo received payments from drug or device companies?
CMS Open Payments shows $48 in general payments to Dr. Colizzo from 1 company from 2018 to 2018. The largest total came from Celgene Corporation.
How long has Dr. Francis Paul Colizzo been practicing?
Dr. Colizzo graduated from medical school in 1991, 35 years ago.
Does Dr. Francis Paul Colizzo do research?
Dmand AI links 21 publications to Dr. Colizzo, published from 2017 to 2021.
Who does Dr. Francis Paul Colizzo publish with?
Dr. Colizzo's most frequent co-authors are Jay Luther, MD (7 shared papers), Peter Joseph Carolan, MD (3 shared papers) and Daniel C. Chung, MD (3 shared papers).
What insurance does Dr. Francis Paul Colizzo accept?
Dr. Colizzo is in network with 3 carriers, including Molina, RI State Medicaid and VT State Medicaid. Medicaid plans come from the most carriers, 3. Check the plan with the practice before a visit.
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