Doctor profile · Federal record

Dr. Margarita Gianniosis

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Dover, DE

  • NPI 1356802466
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
640 S State St
Dover, DE 199013530
(302) 674-4700

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
July 28, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Delaware #C1-0027596

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356802466. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$333
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Actelion Pharmaceuticals US, Inc. 2 $219.16
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $113.40

By nature of payment

Food and Beverage
$333

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margarita Gianniosis's medical specialty?
Dr. Margarita Gianniosis practices Pulmonary Disease Physician in Dover, DE.
Where does Dr. Margarita Gianniosis practice?
Dr. Margarita Gianniosis practices at 640 S State St, Dover, DE 199013530. Office phone: 3026744700.
What is Dr. Margarita Gianniosis's NPI?
Dr. Margarita Gianniosis's National Provider Identifier (NPI) is 1356802466, issued by NPPES.
Does Dr. Margarita Gianniosis accept Medicare assignment?
Yes. Dr. Margarita Gianniosis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.