NPPES file of Aug 9, 2026

Denzil Douglas, M.D.

Nephrology Physician · Fairfield, CT

Denzil Douglas, M.D. is a nephrology physician with a practice address in Fairfield, Connecticut, and NPI 1699161075, issued on Apr 13, 2015. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699161075
Name
Denzil Douglas
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
301732 NY
Self-reported in NPPES; status is on the state search
Practice location
501 Kings Hwy E Ste 109, Fairfield, CT 06825
Phone
(203) 330-0248
Enumerated
Apr 13, 2015
Record last updated
Mar 9, 2026
Medicare enrollment
Enrolled (PECOS I20221206000946); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 501 Kings Hwy E Ste 109

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rajiv Sharma, MDVascular & Interventional Radiology Physician1033372792

Verify Denzil Douglas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

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99% fewer Medicare Part D claims than the average nephrology physician in 2024

17 Medicare Part D claims for 12 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Denzil Douglas17
  2. Specialty average1,465

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 97 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $93.38

5 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Denzil Douglas$93.38
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. American Access Care Physician PLLCBrooklyn, NY
  2. Connecticut Image Guided Surgery PCFairfield, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Denzil Douglas among 167 nephrology physician records in Connecticut

Denzil Douglas, M.D. is one of 167 nephrology physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 82% of them.

  • NPI issued2015 · 82% of these records are older, 15% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2015 · median 2002 among the 116 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Connecticut

There are 167 nephrology physician records in Connecticut.

The 8 nephrology physician records with the nearest ZIP codes

  1. Nazanine Khairkhah, MDGreenwich, CT 068301518937622
  2. Badamkhand Baatarkhuu, M.D.Danbury, CT 068101528334380
  3. Panupong Lisawat, MDDanbury, CT 068101922254184
  4. Raymond Raut, M.D.Danbury, CT 068101114965142
  5. Andrea Roche Recinos, M.D.Danbury, CT 068101144518861
  6. Winston Shih, M.D.Danbury, CT 068101598770364
  7. Behnoud Baradaran Noveiry, MDNorwalk, CT 068511699272625
  8. Richard Gervasi, M.D.Norwalk, CT 068511972597813

Common questions

What is Denzil Douglas, M.D.'s NPI number?

Denzil Douglas, M.D.'s National Provider Identifier (NPI) is 1699161075, issued on Apr 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Denzil Douglas, M.D. located?

The NPPES record lists a practice address at 501 Kings Hwy E Ste 109, Fairfield, CT, 06825. Phone: (203) 330-0248. Providers update this record themselves, so call before visiting.

How can I verify Denzil Douglas, M.D.'s license?

Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Denzil Douglas, M.D. prescribe under Medicare Part D?

In 2024, Denzil Douglas, M.D. had 17 Medicare Part D claims for 12 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Denzil Douglas, M.D.'s MIPS final score?

The 2023 MIPS final score is 97 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.