DR. STYLIANOS NICHOLAS THEOFANIDIS MD - NPI 1912926908

Q: What is Stylianos Theofanidis's NPI number?

The NPI number for Stylianos Theofanidis is 1912926908. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Q: What is Stylianos Theofanidis's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

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About Dr. Stylianos Nicholas Theofanidis Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STYLIANOS NICHOLAS THEOFANIDIS MD (NPI 1912926908) is an individual neonatal-perinatal medicine provider in Greenwich, Connecticut, licensed in Connecticut (028038) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1912926908

Entity TypeIndividualMale

Primary Taxonomy2080N0001X

Provider Legal NameDR. STYLIANOS NICHOLAS THEOFANIDISCredential: MD

Location Address5 PERRYRIDGE ROAD, GREENWICH HOSPITALGreenwich, CT 06830-4697

Mailing AddressPo Box 673Old Greenwich, CT 06870-0673 · (203) 863-3515 · Fax (203) 863-3816

Phone(203) 863-3515

Fax(203) 863-3816

Sole ProprietorNo

Enumeration DateJuly 19, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1912926908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in CT · 028038

Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

Also ListedPediatricsTaxonomy 208000000X · License 028038 (CT)

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. CHERYL DENISE WILLIAMS MS, RD

Dietitian, Registered

5 PERRYRIDGE ROAD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3000

DR. KYRA MARIE BECKMAN MD

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE ROAD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3409

ANNE T AMBROSIO LCSW

Social Worker

5 PERRYRIDGE ROAD, GREENWICH HOSPITAL OPC
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3316

DR. JAMES RICHARD PALLETT MB CHB

Internal Medicine

5 PERRYRIDGE ROAD, GREENWICH HOSPITAL, CARA GIACOMO, PROGRAM ADMINISTRATOR
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3911

EUNNA CHO DO

Hospitalist

5 PERRYRIDGE ROAD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3972

MRS. BETTY JANE LEWIS LCSW

Social Worker

5 PERRYRIDGE ROAD, GREENWICH HOSPITAL OUTPATIENT BEHAVIORAL HEALTH
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3316

DR. MODESTUS LEE MD

Pediatrics

5 PERRYRIDGE ROAD, GREENWICH HOSPITAL NICU
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3542

MR. RICHARD FAGBEMIGUN M.D.

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE ROAD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3409

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stylianos Theofanidis's NPI number?

The NPI number for Stylianos Theofanidis is 1912926908. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Stylianos Theofanidis located?

Stylianos Theofanidis practices at 5 Perryridge Road Greenwich Hospital, Greenwich, CT 06830. The listed phone number is (203) 863-3515.

What is Stylianos Theofanidis's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

When was this NPI record last updated?

The NPPES record for Stylianos Theofanidis was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.