Emma Ryan, M.D.
NPI 1033571641 · Anesthesiology Physician · Danbury, CT
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Emma Ryan, M.D. is a Anesthesiology Physician provider in Danbury, CT (NPI 1033571641).
Provider details
- NPI number
- 1033571641
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 80228 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
278 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasonic Guidance for Blood Vessel Access76937 | 58 | $14 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 56 | $44 |
| Ultrasound of Heart With Probe in Esophagus, With Report93312 | 22 | $105 |
| Anesthesia for Procedure on Heart and Large Blood Vessels00560 | 21 | $498 |
| Ultrasound of Heart Blood Flow, Valves and Chambers93320 | 21 | $18 |
| 3d Ultrasound Imaging of Heart for Evaluation of Heart Structure Performed During Ultrasound Imaging of Congenital Heart Defects93319 | 20 | $23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$69 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-23
- Last updated
- 2025-02-20
- Certified
- 2025-02-20
Frequently asked questions
- What is Emma Ryan's NPI number?
- Emma Ryan's National Provider Identifier (NPI) is 1033571641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Emma Ryan's specialty?
- Emma Ryan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Emma Ryan located?
- Emma Ryan's practice location on file with NPPES is 24 Hospital Ave, Danbury, CT 06810-6077.
- What is Emma Ryan's phone number?
- The practice phone number listed in the NPPES registry for Emma Ryan is (203) 739-7000.
- Does Emma Ryan accept Medicare?
- Emma Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Emma Ryan's NPI active?
- Yes — Emma Ryan's NPI (1033571641) is active in the NPPES registry as of the last update on 2025-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.