Dr. Alexandria Marie Gallagher, DO
- Medicare services, 2024
- 227
- Medicare patients, 2024
- 151
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $3,006
- Practice address
- 34 Maple St, Norwalk, CT 06850
- Practice phone
- Call (203) 852-2016
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Norwalk Hospital
Norwalk, Connecticut
Find Dr. Gallagher's professional email, personal email and mobile number
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Dr. Alexandria Marie Gallagher is a general surgeon in Norwalk, Connecticut
Dr. Gallagher practices at Norwalk Hospital in Norwalk, Connecticut.
Dr. Gallagher's NPI, 1043759301, was assigned on February 20, 2017. Dr. Gallagher graduated from Philadelphia College of Osteopathic Medicine in 2017. Dr. Gallagher holds Connecticut license 74963.
- NPI
- 1043759301NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991074882
- NPI enumeration date
- February 20, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 852-2016
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexandria Marie Gallagher practices at Norwalk Hospital in Norwalk, Connecticut
Dr. Gallagher's primary practice is Norwalk Hospital, at 34 Maple St, Norwalk, CT 06850 in Western Ct County. The practice phone is (203) 852-2016.
- Norwalk Hospital34 Maple St, Norwalk, CT 06850 · Western Ct CountyPhone(203) 852-2016
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alexandria Marie Gallagher is affiliated with 3 sites of care and 1 medical group
Dr. Gallagher's primary practice is Norwalk Hospital in Norwalk, Connecticut. Dr. Gallagher is also affiliated with Norwalk Hospital. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Gallagher to 1 more group practice or clinic, 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. Alexandria Marie Gallagher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gallagher practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Norwalk Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexandria Marie Gallagher is one of 303 general surgeons in Connecticut
Surgery is Dr. Gallagher's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gallagher is licensed in Connecticut.
Specialties and state licenses
- Surgery, ConnecticutPrimary
General surgeons near Dr. Gallagher
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. Alexandria Marie Gallagher billed Medicare for 227 services in 2024
CMS data shows 227 Medicare services from Dr. Gallagher across 7 procedure codes in 2024, for 151 Medicare patients. Medicare paid $18,195 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gallagher compared with the Connecticut median for general surgeons, 2024
- Dr. Gallagher
- Connecticut median
- Medicare services
- 227vs 1092.1 times
- Medicare patients
- 151vs 9559% above
Medians across 295 general surgeons in Connecticut with Dmand AI profiles that report each measure.
Dr. Gallagher'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gallagher and other general surgeons in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexandria Marie Gallagher treated 151 Medicare patients in 2024, average age 81
CMS counts 151 Medicare patients who saw Dr. Gallagher in 2024. The largest group is 75 to 84, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.91, 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. Gallagher's median patient age at 76, with 56% women.
Dr. Gallagher's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gallagher's Medicare patients by sex, 2024
- Women8657%
- Men6543%
Chronic conditions among Dr. Gallagher's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis69%
- Atrial fibrillation46%
- Anxiety45%
- Ischemic heart disease45%
- Mood disorders42%
- Depression40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gallagher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Alexandria Marie Gallagher takes part in Medicare
Dr. Gallagher accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 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)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Alexandria Marie Gallagher has 1 publication on record
Dmand AI links 1 paper to Dr. Gallagher in 2022. Dr. Gallagher's most frequent co-author is Tara Lynn McGraw, DO.
Dr. Gallagher's most frequent co-authors
Recent publications by Dr. Gallagher
See who Dr. Gallagher researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gallagher 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. Alexandria Marie Gallagher received $3,006 in industry payments from 2017 to 2024
CMS Open Payments shows 27 general payments to Dr. Gallagher from 11 drug and device companies from 2017 to 2024. Travel and lodging make up the largest share, 57% of the total. Integra LifeSciences Corporation paid the most, $1,369.
General payments to Dr. Gallagher by program year, 2017 to 2024
General payments to Dr. Gallagher by kind, 2017 to 2024
- Travel and lodging$1,72557%
- Food and beverage$85628%
- Education$30510%
- Speaker and faculty fees$1204%
Companies that paid Dr. Gallagher the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alexandria Marie Gallagher graduated from Philadelphia College of Osteopathic Medicine
Dr. Gallagher graduated from Philadelphia College of Osteopathic Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexandria Marie Gallagher'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) |
| 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. Alexandria Marie Gallagher
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. Alexandria Marie Gallagher's NPI number?
Dr. Alexandria Marie Gallagher's NPI number is 1043759301. It was assigned on February 20, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexandria Marie Gallagher?
Dr. Alexandria Marie Gallagher is a general surgeon in Norwalk, Connecticut. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Alexandria Marie Gallagher practice?
Dr. Gallagher practices at 34 Maple St, Norwalk, CT 06850. Dr. Gallagher's primary practice is Norwalk Hospital in Norwalk, Connecticut. Dmand AI also links Dr. Gallagher to 1 group practice or clinic.
What is Dr. Alexandria Marie Gallagher's office phone number?
The practice phone on file for Dr. Gallagher is (203) 852-2016.
What is Dr. Alexandria Marie Gallagher's medical license number?
Dr. Gallagher holds Connecticut license 74963.
Which hospitals is Dr. Alexandria Marie Gallagher affiliated with?
Dr. Gallagher is affiliated with Norwalk Hospital.
What medical group is Dr. Alexandria Marie Gallagher part of?
Dr. Gallagher is linked to Danbury Medical Group.
Does Dr. Alexandria Marie Gallagher accept Medicare?
Yes. CMS data shows Dr. Gallagher billed Medicare for 227 services in 2024, and Dr. Gallagher accepts Medicare assignment.
How many Medicare patients does Dr. Alexandria Marie Gallagher see?
CMS counts 151 Medicare patients who saw Dr. Gallagher in 2024, with an average age of 81.
What services does Dr. Alexandria Marie Gallagher bill to Medicare?
In 2024, Dr. Gallagher's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99222) and critical care (99291).
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Where did Dr. Alexandria Marie Gallagher go to medical school?
Dr. Gallagher graduated from Philadelphia College of Osteopathic Medicine in 2017.
Has Dr. Alexandria Marie Gallagher received payments from drug or device companies?
CMS Open Payments shows $3,006 in general payments to Dr. Gallagher from 11 companies from 2017 to 2024. The largest total came from Integra LifeSciences Corporation.
How long has Dr. Alexandria Marie Gallagher been practicing?
Dr. Gallagher graduated from medical school in 2017, 9 years ago.
Does Dr. Alexandria Marie Gallagher do research?
Dmand AI links 1 publication to Dr. Gallagher.
Who does Dr. Alexandria Marie Gallagher publish with?
Dr. Gallagher's most frequent co-authors are Tara Lynn McGraw, DO (1 shared paper).
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