GREENWICH MEDICAL GROUP
NPI 1881781029
Internal Medicine in Greenwich, CT

Q: What is Greenwich Medical Group's NPI number?

The NPI number for Greenwich Medical Group is 1881781029. It was assigned to this organization in the NPPES registry on October 9, 2006.

Q: What is Greenwich Medical Group's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since October 09, 2006

75 HOLLY HILL LN, GREENWICH, CT 06830(203) 869-6960(203) 869-5103 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

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About Greenwich Medical Group NPPES

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

GREENWICH MEDICAL GROUP (NPI 1881781029) is a healthcare organization registered as an internal medicine in Greenwich, Connecticut and active in the NPI registry since October 2006. The organization lists Gail M Fennell, Managing Partner, as its authorized official.

NPPES Registry Identity

NPI1881781029

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameGREENWICH MEDICAL GROUP

Location Address75 HOLLY HILL LNGreenwich, CT 06830-6098

Mailing Address75 Holly Hill LnGreenwich, CT 06830-6098 · (203) 869-6960 · Fax (203) 869-5103

Phone(203) 869-6960

Fax(203) 869-5103

Organization SubpartNo

Authorized OfficialGail M FennellManaging Partner · (203) 869-6960

Enumeration DateOctober 9, 2006

Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration

✔ NPI 1881781029 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in CT · BV5838959✔ Licensed in CT · AS8735308✔ Licensed in CT · BL9582493✔ Licensed in CT · AA2470348✔ Licensed in CT · BF4323503

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License BN3275369 (CT)

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License AM6000715 (CT)

Other Identifiers 1

Medicaid00439394RCT

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

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

DR. NICHOLAS HARRISON BROWNING M.D.

Internal Medicine