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WILLIAM FARRER MD
NPI 1114997012
Internal Medicine - Infectious Disease in Elizabeth, NJ

Active since January 24, 2006
240 WILLIAMSON ST STE 401, ELIZABETH, NJ 07202(908) 282-0500(908) 282-1482 Get Directions Write a Review

NPPES record last updated: December 23, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William Farrer Md NPPES

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

WILLIAM FARRER MD (NPI 1114997012) is an individual infectious disease provider in Elizabeth, New Jersey, licensed in New Jersey (MA37417) and active in the NPI registry since January 2006. He maintains a secondary practice location in Elizabeth.

NPPES Registry Identity

NPI1114997012
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameWILLIAM FARRERCredential: MD
Location Address240 WILLIAMSON ST STE 401Elizabeth, NJ 07202-3672
Mailing Address240 Williamson St Ste 401Elizabeth, NJ 07202-3672 · (908) 282-0500 · Fax (908) 282-1482
Phone(908) 282-0500
Fax(908) 282-1482
Sole ProprietorYes
Enumeration DateJanuary 24, 2006
Last NPPES UpdateDecember 23, 2019
✔ NPI 1114997012 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in NJ · MA37417
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
240 WILLIAMSON ST STE 401, Elizabeth, NJ 07202
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Secondary Practice Location 1

Location 1225 Williamson StElizabeth, NJ 07202-3625 · Phone (908) 325-6322 · Fax (908) 325-6343

Other Identifiers 1

Medicaid1332201NJ

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
40 services13 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
21 services18 patients

Other Providers at the Same Location NPPES

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

UNION COUNTY INFECTIOUS DISEASES GROUP
Internal Medicine (Infectious Disease)
240 WILLIAMSON ST STE 401
ELIZABETH, NJ 07202
Union County (908) 282-0500

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 William Farrer's NPI number?

The NPI number for William Farrer is 1114997012. It was assigned to this individual provider in the NPPES registry on January 24, 2006.

Where is William Farrer located?

William Farrer practices at 240 Williamson St Ste 401, Elizabeth, NJ 07202. The listed phone number is (908) 282-0500.

What is William Farrer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

When was this NPI record last updated?

The NPPES record for William Farrer was last updated on December 23, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.