NPPES file of Aug 9, 2026

Michael Demasi, APRN

Family Nurse Practitioner · Fairfield, CT

Michael Demasi, APRN is a family nurse practitioner with a practice address in Fairfield, Connecticut, and NPI 1750866778, issued on Sep 25, 2018. Check the license (Connecticut 7857, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1750866778
Name
Michael Demasi
Credential
APRN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
7857 CT
Self-reported in NPPES; status is on the state search
Practice location
1055 Post RD, Fairfield, CT 06824
Phone
(203) 259-3440
Enumerated
Sep 25, 2018
Record last updated
Dec 2, 2022
Fax
(203) 254-3889
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1055 Post RD

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

  1. Garry BoxerFamily Medicine Physician1619913316
  2. John Cox, DPTPhysical Therapist1710622378
  3. Alma GarciaInternal Medicine Physician1346281136
  4. Scott Herman, MDInternal Medicine Physician1396770145
  5. Valerie I'Anson, M.D.Internal Medicine Physician1992779862
  6. Sydney Judkins, ATC, LATSports Medicine (Physical Medicine & Rehabilitation) Physician1568078764

Verify Michael Demasi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 7857    Check 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
Find the Connecticut license search

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83% fewer Medicare Part D claims than the average family nurse practitioner in 2024

224 Medicare Part D claims for 23 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Michael Demasi224
  2. Specialty average1,305

Most prescribed

  1. Gabapentin26 claims
  2. Hydroxyzine Pamoate19 claims
  3. Pantoprazole Sodium14 claims
  4. Amlodipine Besylate13 claims
  5. Escitalopram Oxalate12 claims
  6. Albuterol Sulfate Hfa11 claims

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.

38 family nurse practitioner records list a practice address in Fairfield

They are 38 of the 1,446 NPPES records with a practice address in Fairfield, and 2,669 family nurse practitioner records in Connecticut.

All 38 in Fairfield → All 2,669 in Connecticut → Every provider in Fairfield →

Other family nurse practitioner records in Connecticut

  1. Anna Liza Abastillas, APRNSouthington, CT1063572014
  2. Renato Abastillas, APRNRocky Hill, CT1568795821
  3. Farhiya AbdiSouth Windsor, CT1609382027
  4. Maryam Abdishoo, NPPutnam, CT1275143778
  5. Anwar Abdulrehman, APRNWaterbury, CT1194614255
  6. Adey Abebe, APRNDanbury, CT1558914648
  7. Talita Acciari, APRNNew Haven, CT1275469777
  8. Denise AceStratford, CT1003572033
  9. Kwame Acheampong, NPStratford, CT1659975969
  10. Tara Ackerly, FNPDanbury, CT1831331602

Common questions

What is Michael Demasi, APRN's NPI number?

Michael Demasi, APRN's National Provider Identifier (NPI) is 1750866778, issued on Sep 25, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Michael Demasi, APRN located?

The NPPES record lists a practice address at 1055 Post RD, Fairfield, CT, 06824. Phone: (203) 259-3440. Providers update this record themselves, so call before visiting.

How can I verify Michael Demasi, APRN's license?

NPPES lists Connecticut license number 7857, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Michael Demasi, APRN prescribe under Medicare Part D?

In 2024, Michael Demasi, APRN had 224 Medicare Part D claims for 23 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.