Dr. Steven Guon, MD

  • Wilton, CT
  • Anesthesiologist
NPI1649215484PAC ID0143232314
Medicare services, 2024
55
Medicare patients, 2024
134
Hospital affiliations
1
Industry payments
$449
Medical groups
3
Practice address
60 Danbury Rd, Wilton, CT 06897
Practice phone
Call (475) 257-6500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Southwest Connecticut Surgery Center

Surgery Center - Medicare-Certified · Wilton, Connecticut

See all 5 affiliations

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Dr. Steven Guon is an anesthesiologist in Wilton, Connecticut

Dr. Guon practices at Southwest Connecticut Surgery Center in Wilton, Connecticut.

Dr. Guon's NPI, 1649215484, was assigned on June 17, 2006. Dr. Guon graduated from Stony Brook University Health Sciences Center School of Medicine in 2002. Dr. Guon holds Connecticut license 49123.

NPI and contact details
Medicare PAC ID
0143232314
NPI enumeration date
June 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(475) 257-6500
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
50
Medical school graduation
2002

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Steven Guon practices at Southwest Connecticut Surgery Center in Wilton, Connecticut

Dr. Guon's primary practice is Southwest Connecticut Surgery Center, at 60 Danbury Rd, Wilton, CT 06897. The practice phone is (475) 257-6500.

  • Southwest Connecticut Surgery Center
    60 Danbury Rd, Wilton, CT 06897Phone(475) 257-6500

Source: Dmand AI Affiliation Data

Dr. Steven Guon is affiliated with 2 sites of care and 3 medical groups

Dr. Guon's primary practice is Southwest Connecticut Surgery Center in Wilton, Connecticut. Dr. Guon is also affiliated with St. Vincent's Medical Center. The medical group on file is Integrated Anesthesia Associates. Dmand AI also links Dr. Guon to 2 more medical groups, each named with a free account.

See all 5 affiliations for Dr. Guon

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Steven Guon's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guon practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Southwest Connecticut Surgery CenterAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Steven Guon is one of 654 anesthesiologists in Connecticut

Anesthesiology is Dr. Guon's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Guon's licenses on file in 2 states: Connecticut and New York.

Specialties and state licenses

  • Anesthesiology, ConnecticutPrimaryLicense 49123 · taxonomy 207L00000X
  • New York licenseLicense 229840

Anesthesiologists near Dr. Guon

Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.

654anesthesiologists in Connecticut
8anesthesiologists in Wilton

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Steven Guon billed Medicare for 55 services in 2024

CMS data shows 55 Medicare services from Dr. Guon across 4 procedure codes in 2024, for 134 Medicare patients. Medicare paid $2,667 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202455
Medicare patients134
Paid by Medicare$2,667
Procedure codes4

Dr. Guon's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 352024: 2723%
Anesthesia
2023: 152024: 1713%
Imaging
2023: 182024: 1139%

Dr. Guon compared with the Connecticut median for anesthesiologists, 2024

  • Dr. Guon
  • Connecticut median
Medicare services
55vs 8938% below
Medicare patients
134vs 16016% below

Medians across 636 anesthesiologists in Connecticut with Dmand AI profiles that report each measure.

Dr. Guon'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.

See all procedures by Dr. Guon

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Guon and other anesthesiologists in Connecticut.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Steven Guon treated 134 Medicare patients in 2024, average age 76

CMS counts 134 Medicare patients who saw Dr. Guon in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high cholesterol, and 72% have arthritis. 16% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Guon's median patient age at 64, with 55% women.

Medicare patients, 2024134
Average age76
Average risk score1.09
Also on Medicaid16%

Dr. Guon's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Guon's Medicare patients by sex, 2024

  • Women7455%
  • Men6045%

Chronic conditions among Dr. Guon's Medicare patients, 2024

  1. High cholesterol75%
  2. Arthritis72%
  3. High blood pressure72%
  4. Ischemic heart disease37%
  5. Anxiety25%
  6. Atrial fibrillation25%
  7. Cancer25%
  8. Diabetes25%

Share of Medicare patients with each condition. A patient can have several.

Dr. Guon's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women55%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Dr. Steven Guon takes part in Medicare

Dr. Guon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Steven Guon received $449 in industry payments from 2016 to 2025

CMS Open Payments shows 15 general payments to Dr. Guon from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $185.

General payments to Dr. Guon by program year, 2016 to 2025

Companies that paid Dr. Guon the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Guon

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Steven Guon graduated from Stony Brook University Health Sciences Center School of Medicine

Dr. Guon graduated from Stony Brook University Health Sciences Center School of Medicine in 2002.

  1. Medical schoolStony Brook University Health Sciences Center School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Steven Guon's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Steven Guon

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. Steven Guon's NPI number?

Dr. Steven Guon's NPI number is 1649215484. It was assigned on June 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Steven Guon?

Dr. Steven Guon is an anesthesiologist in Wilton, Connecticut. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. Steven Guon practice?

Dr. Guon practices at 60 Danbury Rd, Wilton, CT 06897. Dr. Guon's primary practice is Southwest Connecticut Surgery Center in Wilton, Connecticut. Dmand AI also links Dr. Guon to 2 medical groups.

What is Dr. Steven Guon's office phone number?

The practice phone on file for Dr. Guon is (475) 257-6500.

What is Dr. Steven Guon's medical license number?

Dr. Guon holds Connecticut license 49123, one of the licenses on file in 2 states.

Which states has Dr. Steven Guon been licensed in?

Dmand AI has state licenses on file for Dr. Guon in Connecticut and New York.

Which hospitals is Dr. Steven Guon affiliated with?

Dr. Guon is affiliated with St. Vincent's Medical Center.

What medical group is Dr. Steven Guon part of?

Dr. Guon is linked to Integrated Anesthesia Associates. Dmand AI links Dr. Guon to 2 more medical groups.

Does Dr. Steven Guon accept Medicare?

Yes. CMS data shows Dr. Guon billed Medicare for 55 services in 2024, and Dr. Guon accepts Medicare assignment.

How many Medicare patients does Dr. Steven Guon see?

CMS counts 134 Medicare patients who saw Dr. Guon in 2024, with an average age of 76.

Show 4 more questionsShow fewer questions

What services does Dr. Steven Guon bill to Medicare?

In 2024, Dr. Guon's most billed Medicare services were anesthesia (01810), surgery: brain, spine and nerves (64447) and surgery: brain, spine and nerves (64999).

Where did Dr. Steven Guon go to medical school?

Dr. Guon graduated from Stony Brook University Health Sciences Center School of Medicine in 2002.

Has Dr. Steven Guon received payments from drug or device companies?

CMS Open Payments shows $449 in general payments to Dr. Guon from 8 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. Steven Guon been practicing?

Dr. Guon graduated from medical school in 2002, 24 years ago.

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