Registry data as of Aug 27, 2026

Melissa Colsant, P.A.

Physician Assistant · Greenwich, CT

Melissa Colsant, P.A. is a physician assistant with a practice address in Greenwich, Connecticut, and NPI 1124067814, issued on Jun 6, 2006. Check the license with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1124067814
Name
Melissa Colsant
Credential
P.A.
Primary taxonomy
Physician Assistant 363A00000X
Practice location
5 Perryridge RD, Greenwich, CT 06830
Phone
(203) 863-3906
Enumerated
Jun 6, 2006
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.
Download card Updates feed

Also registered at 5 Perryridge RD

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

  1. Tena AbrahamPharmacist1649838905
  2. Hanief Abrahams, M.D.Anesthesiology Physician1497798235
  3. Diana Adams, M.D.Specialist1255300653
  4. Saheeb AhmedStudent in an Organized Health Care Education/Training Program1326626748
  5. Rachel Alfandre, LCSWClinical Social Worker1497077259
  6. Vicki Altmeyer, M.D.Anatomic Pathology & Clinical Pathology Physician1700807898

Verify Melissa Colsant in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

97% fewer Medicare Part D claims than the average physician assistant in 2024

29 Medicare Part D claims for 26 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Melissa Colsant29
  2. Specialty average832

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 Medicare quality score for 2023: 87.9 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 score75.8
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%
  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).

One hospital or facility affiliation

  1. Anderson Medical PC DBA Emergency OnePoughkeepsie, NY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

39 physician assistant records list a Greenwich practice address

They are 39 of the 1,184 NPPES records with a Greenwich practice address, and 2,290 physician assistant records in Connecticut.

Other physician assistant records in Connecticut

  1. Gazang Abdulla, PA-CHartford, CT1396566956
  2. Jill Aboulian, PA-CCheshire, CT1881615730
  3. Celin Abraham, PA-CWaterbury, CT1407171085
  4. Louisa Acca, PA-CHartford, CT1679265458
  5. Julia Accorsini, PA-CNew Haven, CT1326793670
  6. Erica Acevedo, PA-CNorwalk, CT1093289936
  7. Ariana AcquaruloShelton, CT1528439312
  8. Erica Acquarulo, PA-CBridgeport, CT1982468799
  9. Prince Acquaye, PA-CFairfield, CT1639767130
  10. Clark Adams, PA-CHartford, CT1245329457

Common questions

What is Melissa Colsant, P.A.'s NPI number?

Melissa Colsant, P.A.'s National Provider Identifier (NPI) is 1124067814, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Colsant, P.A. located?

The NPPES record lists a practice address at 5 Perryridge RD, Greenwich, CT, 06830. Phone: (203) 863-3906. Providers update this record themselves, so call before visiting.

How can I verify Melissa Colsant, P.A.'s license?

Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Melissa Colsant, P.A. prescribe under Medicare Part D?

In 2024, Melissa Colsant, P.A. had 29 Medicare Part D claims for 26 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.

What is Melissa Colsant, P.A.'s Medicare quality score?

The 2023 MIPS final score is 87.9 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.