Dr. Simon David Eiref, MD
- Medicare services, 2024
- 542
- Medicare patients, 2026
- 303
- Publications
- 7
- Hospital affiliations
- 1
- Industry payments
- $31
- Practice address
- 24 Hospital Ave, Danbury, CT 06810
- Practice phone
- Call (203) 739-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Eiref'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. Simon David Eiref is a general surgeon in Danbury, Connecticut
Dr. Eiref practices at Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health.
Dr. Eiref's NPI, 1992772388, was assigned on March 3, 2006. Dr. Eiref graduated from Columbia University Vagelos College of Physicians and Surgeons in 1998. Dr. Eiref holds Connecticut license 66121.
- NPI
- 1992772388NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860415247
- NPI enumeration date
- March 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 739-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Simon David Eiref practices at Northwell Danbury Hospital in Danbury, Connecticut
Dr. Eiref's primary practice is Northwell Danbury Hospital, at 24 Hospital Ave, Danbury, CT 06810 in Fairfield County. The practice phone is (203) 739-7000.
- Northwell Danbury Hospital24 Hospital Ave, Danbury, CT 06810 · Fairfield CountyPhone(203) 739-7000
Source: Dmand AI Affiliation Data
Dr. Simon David Eiref is affiliated with 2 sites of care and 3 medical groups
Dr. Eiref's primary practice is Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Eiref to 2 more medical groups and 1 home health agency, 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. Simon David Eiref's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Eiref practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwell Danbury Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwell Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Simon David Eiref is one of 303 general surgeons in Connecticut
Surgery is Dr. Eiref's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Eiref is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Eiref's licenses on file in 4 states: Connecticut, New York, North Carolina and Georgia.
Specialties and state licenses
- Surgery, ConnecticutPrimary
- New York license
- North Carolina license
- Georgia license
Clinical focus
Dmand AI lists appendectomy, chest trauma, collapsed lung, colon removal, gallbladder removal, gastrointestinal obstruction, multiple traumatic injuries and traumatic coma among the conditions Dr. Eiref treats.
General surgeons near Dr. Eiref
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. Simon David Eiref billed Medicare for 542 services in 2024
CMS data shows 542 Medicare services from Dr. Eiref across 7 procedure codes in 2024, for 303 Medicare patients. Medicare paid $51,146 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Eiref compared with the Connecticut median for general surgeons, 2024
- Dr. Eiref
- Connecticut median
- Medicare services
- 542vs 1095.0 times
- Medicare patients
- 303vs 953.2 times
Medians across 295 general surgeons in Connecticut with Dmand AI profiles that report each measure.
Dr. Eiref'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. Eiref?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Eiref and other general surgeons in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Simon David Eiref treated 303 Medicare patients in 2026, average age 79
CMS counts 303 Medicare patients who saw Dr. Eiref in 2026. The largest group is 75 to 84, with 111 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.90, 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. Eiref's median patient age at 74, with 52% women.
Dr. Eiref's Medicare patients by age, 2026
Dr. Eiref's Medicare patients by sex, 2026
- Women18561%
- Men11839%
Chronic conditions among Dr. Eiref's Medicare patients, 2026
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Mood disorders52%
- Ischemic heart disease51%
- Anxiety48%
- Depression46%
- Atrial fibrillation45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Eiref's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
How Dr. Simon David Eiref takes part in Medicare
Dr. Eiref 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. Simon David Eiref has 7 publications on record
Dmand AI links 7 papers to Dr. Eiref, published from 2012 to 2024. 2013 was the busiest year, with 2. Dr. Eiref has published most often in J Surg Case Rep. Dr. Eiref's most frequent co-authors are Heath Walden, MD, Patrick William Zimmerman, DO and John M. Anastasatos, MD.
Dr. Eiref's papers by year, 2012 to 2024
Dr. Eiref's most frequent co-authors
- Heath Walden, MD2 shared papers
- Patrick William Zimmerman, DO2 shared papers
- John M. Anastasatos, MD1 shared paper
Recent publications by Dr. Eiref
J Surg Case Rep
See who Dr. Eiref researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Eiref 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. Simon David Eiref received $31 in industry payments in 2025
CMS Open Payments shows 2 general payments to Dr. Eiref from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $19.
Companies that paid Dr. Eiref the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Simon David Eiref has 1 award and honors on record
Dmand AI lists 1 award for Dr. Eiref.
Awards and honors for Dr. Eiref
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Simon David Eiref graduated from Columbia University Vagelos College of Physicians and Surgeons
Dr. Eiref graduated from Columbia University Vagelos College of Physicians and Surgeons in 1998. Dr. Eiref is a member of ACS.
- Medical school
- Board certified in surgery
- Board certified in surgical critical care
Source: Dmand AI Professional Profile Data
Dr. Simon David Eiref accepts plans from 15 insurance carriers
Dr. Eiref is in network with 15 carriers, including Elevance, Excellus BlueCross BlueShield and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Elevance
- Excellus BlueCross BlueShield
- United Healthcare
- Aetna
- Cigna
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Michigan
- +7 more carriersWith a free account
Plan types Dr. Eiref accepts, by number of carriers
- HMO9
- PPO9
- Medicare6
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Simon David Eiref'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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Simon David Eiref
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. Simon David Eiref's NPI number?
Dr. Simon David Eiref's NPI number is 1992772388. It was assigned on March 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Simon David Eiref?
Dr. Simon David Eiref is a general surgeon in Danbury, Connecticut. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Simon David Eiref practice?
Dr. Eiref practices at 24 Hospital Ave, Danbury, CT 06810. Dr. Eiref's primary practice is Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health. Dmand AI also links Dr. Eiref to 2 medical groups and 1 home health agency, and a free account names each one.
What is Dr. Simon David Eiref's office phone number?
The practice phone on file for Dr. Eiref is (203) 739-7000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Simon David Eiref's email address?
Dmand AI checks professional and personal email addresses for Dr. Eiref through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Simon David Eiref's medical license number?
Dr. Eiref holds Connecticut license 66121, one of the licenses on file in 4 states.
Which states has Dr. Simon David Eiref been licensed in?
Dmand AI has state licenses on file for Dr. Eiref in Connecticut (2020 to 2026), New York (2001 to 2027), North Carolina (2020 to 2023) and Georgia (2010 to 2012).
Which hospitals is Dr. Simon David Eiref affiliated with?
Dr. Eiref practices at Northwell Danbury Hospital in Danbury, Connecticut.
What medical group is Dr. Simon David Eiref part of?
Dr. Eiref is linked to Mount Sinai Institute for Liver Medicine. Dmand AI links Dr. Eiref to 2 more medical groups, named with a free account.
Who does Dr. Simon David Eiref practice with?
Dmand AI links 3,964 HCPs to Dr. Eiref's primary medical group, 69 of them general surgeons. A free account lists them, with verified contacts.
Show 11 more questionsShow fewer questions
Does Dr. Simon David Eiref accept Medicare?
Yes. CMS data shows Dr. Eiref billed Medicare for 542 services in 2024, and Dr. Eiref accepts Medicare assignment.
How many Medicare patients does Dr. Simon David Eiref see?
CMS counts 303 Medicare patients who saw Dr. Eiref in 2026, with an average age of 79.
Is Dr. Simon David Eiref board certified?
Yes. Dr. Eiref is board certified in surgery by the American Board of Surgery.
What services does Dr. Simon David Eiref bill to Medicare?
In 2024, Dr. Eiref's most billed Medicare services were hospital inpatient care (99232), critical care (99291) and hospital inpatient care (99222).
Where did Dr. Simon David Eiref go to medical school?
Dr. Eiref graduated from Columbia University Vagelos College of Physicians and Surgeons in 1998.
Has Dr. Simon David Eiref received payments from drug or device companies?
CMS Open Payments shows $31 in general payments to Dr. Eiref from 2 companies from 2025 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Simon David Eiref been practicing?
Dr. Eiref graduated from medical school in 1998, 28 years ago.
Does Dr. Simon David Eiref do research?
Dmand AI links 7 publications to Dr. Eiref, published from 2012 to 2024.
Who does Dr. Simon David Eiref publish with?
Dr. Eiref's most frequent co-authors are Heath Walden, MD (2 shared papers), Patrick William Zimmerman, DO (2 shared papers) and John M. Anastasatos, MD (1 shared paper).
What EHR does Dr. Simon David Eiref's practice use?
Dmand AI tracks the EHR system at Northwell Danbury Hospital and at 1 more site and 2 medical groups. The vendor and product are available with a free Dmand AI account.
What insurance does Dr. Simon David Eiref accept?
Dr. Eiref is in network with 15 carriers, including Elevance, Excellus BlueCross BlueShield and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit. The full carrier list is available with a free Dmand AI account.
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