DR. SOWMYA VISWANATHAN MD
NPI 1598748261
Internal Medicine in Manchester, NH

Active since November 27, 2005
100 HITCHCOCK WAY, INTERNAL MEDICINE, MANCHESTER, NH 03104(603) 695-2500 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2022, Aug 25, 2017 (2 updates tracked since 2017).

About Dr. Sowmya Viswanathan Md NPPES

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

DR. SOWMYA VISWANATHAN MD (NPI 1598748261) is an individual internal medicine provider in Manchester, New Hampshire, licensed in New Hampshire (18050) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1598748261
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. SOWMYA VISWANATHANCredential: MD
Location Address100 HITCHCOCK WAY, INTERNAL MEDICINEManchester, NH 03104
Mailing Address100 Hitchcock Way, Internal MedicineManchester, NH 03104 · (603) 695-2500
Sole ProprietorNo
Enumeration DateNovember 27, 2005
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
NPI 1598748261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in NH · 18050 Licensed in MA · 80591
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.
100 HITCHCOCK WAY, Manchester, NH 03104

Other Identifiers 3

Medicaid3176169MA
Medicaid3107899NH
Medicaid1030074VT

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.

Dermatology
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Physician Assistant (Surgical)
100 HITCHCOCK WAY, D-H MANCHESTER, GENERAL SURGERY
MANCHESTER, NH 03104
Podiatrist (Foot & Ankle Surgery)
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Urology
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Nurse Practitioner
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Radiology (Diagnostic Radiology)
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Internal Medicine (Rheumatology)
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Anesthesiology
100 HITCHCOCK WAY
MANCHESTER, NH 03104

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 Sowmya Viswanathan's NPI number?

The NPI number for Sowmya Viswanathan is 1598748261. It was assigned to this individual provider in the NPPES registry on November 27, 2005.

Where is Sowmya Viswanathan located?

Sowmya Viswanathan practices at 100 Hitchcock Way Internal Medicine, Manchester, NH 03104. The listed phone number is (603) 695-2500.

What is Sowmya Viswanathan's specialty?

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

When was this NPI record last updated?

The NPPES record for Sowmya Viswanathan was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.