NPPES file of Aug 9, 2026

Vittoria Gassman, MD

Internal Medicine Physician · Norwalk, CT

Vittoria Gassman, MD is an internal medicine physician with a practice address in Norwalk, Connecticut, and NPI 1013987700, issued on Jan 25, 2006. Check the license (Connecticut 034764, as entered in NPPES) 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013987700
Name
Vittoria Gassman
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
034764 CT
Self-reported in NPPES; status is on the state search
Practice location
120 Connecticut Ave, Norwalk, CT 06854
Phone
(203) 899-1770
Enumerated
Jan 25, 2006
Record last updated
Sep 21, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
001347641 CT
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 120 Connecticut Ave

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

  1. Mary Ann AustinClinical Social Worker1780058891
  2. Radha Biswas, M.D.Pediatrics Physician1396938478
  3. Aracely CentenoClinical Social Worker1285369256
  4. Avalon Fennessey, CPNP-PCPediatric Nurse Practitioner1487083978
  5. Lauren FischerClinical Social Worker1356975247
  6. Michael FotiInternal Medicine Physician1871053330

Verify Vittoria Gassman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 034764
    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
Open the Connecticut license search

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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

313 Medicare Part D claims for 29 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 11 claims were for opioids.

  1. Vittoria Gassman313
  2. Specialty average3,176

Most prescribed

  1. Furosemide35 claims
  2. Atropine Sulfate19 claims
  3. Mirtazapine19 claims
  4. Quetiapine Fumarate19 claims
  5. Escitalopram Oxalate17 claims
  6. Potassium Chloride16 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.

Vittoria Gassman among 2,623 internal medicine physician records in Connecticut

Vittoria Gassman, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 52% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2012 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

79 internal medicine physician records list a practice address in Norwalk

They are 79 of the 1,993 NPPES records with a practice address in Norwalk, and 2,623 internal medicine physician records in Connecticut.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Gary Blick, MDNorwalk, CT 068541598837957
  2. Rebecca Brienza, M.D.Norwalk, CT 068541235263369
  3. Eric Einstein, M.D.Norwalk, CT 068541942244819
  4. Michael FotiNorwalk, CT 068541871053330
  5. Tabata Hernandez, MDNorwalk, CT 068541417688920
  6. Ellen Kulaga, MDNorwalk, CT 068541184694747
  7. Jean-Michel Oquet, M.D.Norwalk, CT 068541861988024
  8. Cristina Smina, M.D.Norwalk, CT 068541831372168

Common questions

What is Vittoria Gassman, MD's NPI number?

Vittoria Gassman, MD's National Provider Identifier (NPI) is 1013987700, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Vittoria Gassman, MD located?

The NPPES record lists a practice address at 120 Connecticut Ave, Norwalk, CT, 06854. Phone: (203) 899-1770. Providers update this record themselves, so call before visiting.

How can I verify Vittoria Gassman, MD's license?

NPPES lists Connecticut license number 034764, as entered by the provider. 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 Vittoria Gassman, MD prescribe under Medicare Part D?

In 2024, Vittoria Gassman, MD had 313 Medicare Part D claims for 29 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

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.