Dr. Emma Ryan, MD
- Medicare services, 2024
- 278
- Medicare patients, 2024
- 232
- Part D claims, 2020
- 24
- Hospital affiliations
- 2
- Industry payments
- $397
- 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
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Dr. Emma Ryan is an anesthesiologist in Danbury, Connecticut
Dr. Ryan practices at Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health.
Dr. Ryan's NPI, 1033571641, was assigned on March 23, 2016. Dr. Ryan graduated from Pennsylvania State University College of Medicine in 2016. Dr. Ryan holds Connecticut license 80228.
- NPI
- 1033571641NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618261090
- NPI enumeration date
- March 23, 2016
- 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
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Emma Ryan practices at Northwell Danbury Hospital in Danbury, Connecticut
Dr. Ryan'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. Emma Ryan is affiliated with 2 sites of care and 3 medical groups
Dr. Ryan's primary practice is Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health. Dr. Ryan is also affiliated with Norwalk Hospital. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Ryan to 2 more medical groups, 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. Emma Ryan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ryan 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
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Dr. Emma Ryan is one of 654 anesthesiologists in Connecticut
Anesthesiology is Dr. Ryan's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ryan is licensed in Connecticut.
Specialties and state licenses
- Anesthesiology, ConnecticutPrimary
Anesthesiologists near Dr. Ryan
Counts of anesthesiologists 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. Emma Ryan billed Medicare for 278 services in 2024
CMS data shows 278 Medicare services from Dr. Ryan across 11 procedure codes in 2024, for 232 Medicare patients. Medicare paid $20,847 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ryan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1002024: 7723%
- Surgery
- 2023: 702024: 757%
- Anesthesia
- 2023: 312024: 68119%
- Imaging
- 2023: 442024: 5832%
Dr. Ryan compared with the Connecticut median for anesthesiologists, 2024
- Dr. Ryan
- Connecticut median
- Medicare services
- 278vs 893.1 times
- Medicare patients
- 232vs 16045% above
- Part D claims
- 24vs 268% below
Medians across 636 anesthesiologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Ryan'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Emma Ryan treated 232 Medicare patients in 2024, average age 74
CMS counts 232 Medicare patients who saw Dr. Ryan in 2024. The largest group is 65 to 74, with 97 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.74, 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. Ryan's median patient age at 68, with 46% women.
Dr. Ryan's Medicare patients by age, 2024
Dr. Ryan's Medicare patients by sex, 2024
- Women12554%
- Men10746%
Chronic conditions among Dr. Ryan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease58%
- Arthritis54%
- Diabetes43%
- Heart failure40%
- Atrial fibrillation35%
- Chronic kidney disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ryan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Emma Ryan wrote 24 Medicare Part D claims in 2020
In 2020, Dr. Ryan wrote 24 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $426 in total drug cost. In 2019, CMS named 27 claims across 2 drugs.
Dr. Ryan's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 272020: 2411%
Drugs named by CMS: 2 in 2020, 2 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Emma Ryan takes part in Medicare
Dr. Ryan 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. Emma Ryan received $397 in industry payments from 2023 to 2025
CMS Open Payments shows 7 general payments to Dr. Ryan from 4 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $166.
General payments to Dr. Ryan by program year, 2023 to 2025
Companies that paid Dr. Ryan the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Emma Ryan graduated from Pennsylvania State University College of Medicine
Dr. Ryan graduated from Pennsylvania State University College of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Emma Ryan'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Emma Ryan
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. Emma Ryan's NPI number?
Dr. Emma Ryan's NPI number is 1033571641. It was assigned on March 23, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Emma Ryan?
Dr. Emma Ryan is an anesthesiologist in Danbury, Connecticut. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Emma Ryan practice?
Dr. Ryan practices at 24 Hospital Ave, Danbury, CT 06810. Dr. Ryan's primary practice is Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health. Dmand AI also links Dr. Ryan to 2 medical groups.
What is Dr. Emma Ryan's office phone number?
The practice phone on file for Dr. Ryan is (203) 739-7000.
What is Dr. Emma Ryan's medical license number?
Dr. Ryan holds Connecticut license 80228.
Which hospitals is Dr. Emma Ryan affiliated with?
Dr. Ryan practices at Northwell Danbury Hospital in Danbury, Connecticut. Dr. Ryan is also affiliated with Norwalk Hospital.
What medical group is Dr. Emma Ryan part of?
Dr. Ryan is linked to Danbury Medical Group. Dmand AI links Dr. Ryan to 2 more medical groups.
Does Dr. Emma Ryan accept Medicare?
Yes. CMS data shows Dr. Ryan billed Medicare for 278 services in 2024, and Dr. Ryan accepts Medicare assignment.
How many Medicare patients does Dr. Emma Ryan see?
CMS counts 232 Medicare patients who saw Dr. Ryan in 2024, with an average age of 74.
What services does Dr. Emma Ryan bill to Medicare?
In 2024, Dr. Ryan's most billed Medicare services were ultrasound (76937), surgery: heart and blood vessels (36620) and heart test or procedure (93312).
Show 4 more questionsShow fewer questions
Where did Dr. Emma Ryan go to medical school?
Dr. Ryan graduated from Pennsylvania State University College of Medicine in 2016.
What drugs does Dr. Emma Ryan prescribe most?
In 2020 Medicare Part D data, Dr. Ryan's most prescribed drugs by claims were Gabapentin and Oxycodone HCl.
Has Dr. Emma Ryan received payments from drug or device companies?
CMS Open Payments shows $397 in general payments to Dr. Ryan from 4 companies from 2023 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Emma Ryan been practicing?
Dr. Ryan graduated from medical school in 2016, 10 years ago.
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