Physician Profile
Unclaimed ProfileAbout DUFFY
Listed in the NPI registry as a certified registered nurse anesthetist (crna), Daniel J Duffy, CRNA practices in Danvers, MA. Daniel is also listed as specializing in certified registered nurse anesthetist. According to Medicare claims data, Daniel cared for 91 Medicare patients across 93 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Duffy's specialty?
Dr. Duffy is a certified registered nurse anesthetist (crna) in Danvers, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)”.
NPI registry
Where can I find Dr. Duffy?
Dr. Duffy is listed at 480 MAPLE ST STE C233A, Danvers, MA 01923. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Duffy?
The number on file is (978) 304-8691. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Duffy's NPI number?
Dr. Duffy's National Provider Identifier is 1033789326. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Duffy's medical education?
Dr. Duffy attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Duffy been practicing?
Dr. Duffy has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Duffy known for?
According to Medicare billing data, Dr. Duffy provides treatments such as anesthesia for other procedure on large bowel using an endoscope and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Duffy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Duffy. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (978) 304-8691
- Email not available
Practice Locations
480 MAPLE ST STE C233A
Danvers, MA 01923
Procedures Most Often Billed to Medicare
93 services · 91 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
18 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
18 |
| Anesthesia for procedure on upper 2/3rd of thigh bone | Anaesthesia | 01230 |
17 |
| Anesthesia for other procedure on urinary system through urethra | Anaesthesia | 00910 |
14 |
| Anesthesia for other procedure on upper abdomen | Anaesthesia | 00790 |
14 |
| Anesthesia for exam of colon using an endoscope | Anaesthesia | 00812 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other certified registered nurse anesthetists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other certified registered nurse anesthetists in Danvers 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Anesthesia for other procedure on large bowel using an endoscope 8
Providers in MA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.