Physician Profile
Denzil Douglas, M.D. practices nephrology in Fairfield, CT. Denzil is a 2015 graduate of Columbia University College of Physicians and Surgeons. Denzil is also listed as specializing in internal medicine. Medicare claims data shows Denzil provided 18,446 services to 1,383 patients. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes, and insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
501 KINGS HWY E STE 109
Fairfield, CT 06825
577 Prospect Ave
Brooklyn, NY 11215
622 W 168th St # 205
New York, NY 10032
Within Nephrology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Acid-base disorders
Anatomical conditions
Autoimmune conditions
Blood disorders
Blood pressure
Cysts and growths
Diabetes complications
Dialysis complications
Electrolyte disorders
Fluid retention
Genetic disorders
Hormone disorders
Infections
Inflammatory conditions
Kidney damage
Kidney failure
Kidney filter diseases
Lab abnormalities
Metabolic disorders
Multi-organ conditions
Structural kidney issues
Symptoms
Urine abnormalities
Urine symptoms
Vascular conditions
Vascular kidney issues
Most searched procedures
Consultations
Diagnostic tests
Diagnostics
Dialysis
Dialysis access
Diet and nutrition
Imaging
Infusions
Interventional procedures
Lab tests
Medication management
Medication therapy
Patient education
Prevention
Procedures
Specialized therapies
Supportive care
Surgical procedures
Transplant care
Vascular access
18,446 services · 1,383 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist | Procedure | 36902 |
191 | More often than most peers in Nephrology |
| Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel | Procedure | 37253 |
112 | Too few peers to compare |
| Ultrasound evaluation of blood vessel with review by radiologist, initial vessel | Procedure | 37252 |
107 | Too few peers to compare |
| Balloon dilation of dialysis segment with review by radiologist | Procedure | 36907 |
94 | More often than most peers in Nephrology |
| Insertion of tube into chest or arm artery, each first order branch | Procedure | 36215 |
77 | More often than most peers in Nephrology |
| Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment with imaging review by radiologist, with balloon tube | Procedure | 36905 |
59 | More than most peers in Nephrology |
| Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment and placement of stent with review by radiologist | Procedure | 36906 |
41 | More often than most peers in Nephrology |
| Insertion of needle and/or tube into hemodialysis circuit with review by radiologist | Procedure | 36901 |
34 | More often than most peers in Nephrology |
| Replacement of tunneled central venous tube | Procedure | 36581 |
34 | More often than most peers in Nephrology |
| Balloon dilation of vein with review by radiologist, initial vein | Procedure | 37248 |
31 | More often than most peers in Nephrology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Denzil Douglas is a kidney specialist in Fairfield, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
Denzil Douglas is listed at 501 Kings Hwy E Ste 109, Fairfield, CT 06825. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (203) 330-0248. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Denzil Douglas's National Provider Identifier is 1699161075. 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
Denzil Douglas attended Columbia University College of Physicians and Surgeons, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
Denzil Douglas has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Denzil Douglas performs procedures including insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist, ultrasound evaluation of blood vessel with review by radiologist, each additional vessel and ultrasound evaluation of blood vessel with review by radiologist, initial vessel; reads or performs imaging such as review by radiologist of arm or leg artery image and fluoroscopic guidance for insertion or removal of central vein access device; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes and use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Denzil Douglas. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.