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Edit this profileAt a glance
- 425 Post Rd, Fairfield, CT 06824
About Eddy Castillo
Listed in the NPI registry as a specialist, Eddy A. Castillo practices in Fairfield, CT. According to Medicare claims data, Eddy cared for 430 Medicare patients across 562 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, and biopsy of large bowel using a flexible endoscope. NPI 1225020134 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 292-9000
- Email not available
Practice Locations
425 POST RD
Fairfield, CT 06824
Procedures Most Often Billed to Medicare
562 services · 430 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
91 | As often as other peers in Specialist |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
44 | As often as other peers in Specialist |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
40 | As often as other peers in Specialist |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
26 | Less often than most peers in Specialist |
| Infusion, normal saline solution, 250 cc | Drug given | J7050 |
37 | Less often than most peers in Specialist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
232 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
32 | Less often than most peers in Specialist |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
23 | Less often than most peers in Specialist |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
20 | Less often than most peers in Specialist |
| Stool analysis for blood, by peroxidase activity | Lab test | 82272 |
17 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other specialists at this location 7
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.
More connections — 18 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 2
Providers in CT who bill this service to Medicare most often.
Common questions
What kind of doctor is Eddy A. Castillo?
Eddy A. Castillo is a specialist in Fairfield, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Eddy A. Castillo's address?
Eddy A. Castillo is listed at 425 Post Rd, Fairfield, CT 06824. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Eddy A. Castillo?
The number on file is (203) 292-9000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Eddy A. Castillo's NPI number?
Eddy A. Castillo's National Provider Identifier is 1225020134. 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
Where did Eddy A. Castillo train?
Eddy A. Castillo attended Other, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Eddy A. Castillo been practicing?
Eddy A. Castillo has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What procedures does Eddy A. Castillo perform?
According to Medicare billing data, Eddy A. Castillo performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Eddy A. Castillo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Eddy A. Castillo. If this is you, claiming it is free.
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