1. Home
  2. Directory
  3. Massachusetts
  4. Watertown
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

PAUL M FERGUS MD
NPI 1356336200
Internal Medicine in Watertown, MA

Active since September 16, 2005
521 MOUNT AUBURN ST, SUITE 101, WATERTOWN, MA 02472(617) 924-6484(617) 924-6142 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Paul M Fergus Md NPPES

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

PAUL M FERGUS MD (NPI 1356336200) is an individual internal medicine provider in Watertown, Massachusetts, licensed in Massachusetts (35170) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1356336200
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NamePAUL M FERGUSCredential: MD
Location Address521 MOUNT AUBURN ST, SUITE 101Watertown, MA 02472-4191
Mailing Address521 Mount Auburn St, Suite 101Watertown, MA 02472-4191 · (617) 924-6484 · Fax (617) 924-6142
Phone(617) 924-6484
Fax(617) 924-6142
Sole ProprietorNo
Enumeration DateSeptember 16, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1356336200 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 35170
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.
521 MOUNT AUBURN ST, Watertown, MA 02472
Open in Google Maps ↗

Other Identifiers 1

Medicaid2029499MA

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.

MR. JOEL W TEEVEN MSW, LICSW
Social Worker (Clinical)
521 MOUNT AUBURN ST, SUITE 109
WATERTOWN, MA 02472
Middlesex County (781) 893-8168
CHERYL E EHRENKRANZ PT
Physical Therapist
521 MOUNT AUBURN ST, SUITE 205
WATERTOWN, MA 02472
Middlesex County (617) 923-0757
ISABELLE OBERT PT, DPT
Physical Therapist
521 MOUNT AUBURN ST
WATERTOWN, MA 02472
Middlesex County (617) 923-0757
SUSAN M LATTANZI PT
Physical Therapist
521 MOUNT AUBURN ST, SUITE 205
WATERTOWN, MA 02472
Middlesex County (617) 923-0757
DR. LARRY A WEINRAUCH MD
Internal Medicine (Cardiovascular Disease)
521 MOUNT AUBURN ST, SUITE 204
WATERTOWN, MA 02472
Middlesex County (617) 923-0800
DR. JANIS ANN WAGNER PH.D
Psychologist
521 MOUNT AUBURN ST, SUITE 107-109
WATERTOWN, MA 02472
Middlesex County (617) 416-7815
DR. LESLIE MACDONALD MD
Obstetrics & Gynecology
521 MOUNT AUBURN ST, STE 103
WATERTOWN, MA 02472
Middlesex County (617) 926-2414
DR. RABIAH RAFIQUE MD
Internal Medicine
521 MOUNT AUBURN ST
WATERTOWN, MA 02472
Middlesex County (617) 744-8542

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 Paul Fergus's NPI number?

The NPI number for Paul Fergus is 1356336200. It was assigned to this individual provider in the NPPES registry on September 16, 2005.

Where is Paul Fergus located?

Paul Fergus practices at 521 Mount Auburn St Suite 101, Watertown, MA 02472. The listed phone number is (617) 924-6484.

What is Paul Fergus'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 Paul Fergus was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.