WILLIAM DAVID FARRAR M.D.
NPI 1942263108
Internal Medicine - Gastroenterology in Red Wing, MN

Active since April 10, 2006PECOS EnrolledAccepts Medicare Assignment
701 HEWITT BLVD, RED WING, MN 55066(651) 267-5000 Get Directions Write a Review

NPPES record last updated: September 29, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 29, 2020, Mar 4, 2019 (2 updates tracked since 2019).

About William David Farrar M.d. NPPES

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

WILLIAM DAVID FARRAR M.D. (NPI 1942263108) is an individual gastroenterology provider in Red Wing, Minnesota, licensed in Minnesota (43646) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains a secondary practice location in Rochester.

NPPES Registry Identity

NPI1942263108
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameWILLIAM DAVID FARRARCredential: M.D.
Location Address701 HEWITT BLVDRed Wing, MN 55066-2848
Mailing Address701 Hewitt BlvdRed Wing, MN 55066-2848 · (651) 267-5000
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 1998
Enumeration DateApril 10, 2006
Last NPPES UpdateSeptember 29, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2020
NPI 1942263108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in MN · 43646
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
701 HEWITT BLVD, Red Wing, MN 55066

Secondary Practice Location 1

Location 1200 1st St SWROCHESTER, MN 55905-0001 · Phone (507) 284-2511

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

William David Farrar M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668483991
PECOS Enrollment IDI20060525000149
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

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.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
137 services137 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
51 services51 patients
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249
This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.
27 services25 patients
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235
This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.
25 services25 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
22 services22 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
21 services21 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

Mayo Clinic Health System In Red Wing

Acute Care Hospitals · Red Wing, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240018
Location701 Hewitt BoulevardRed Wing, MN 55066 · Goodhue County
Emergency services Birthing friendly

Mayo Clinic Health System - Lake City

Critical Access Hospitals · Lake City, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241338
Location500 West Grant StreetLake City, MN 55041 · Wabasha County
Emergency services

Mayo Clinic Health System - Cannon Falls

Critical Access Hospitals · Cannon Falls, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241346
Location32021 County 24 BoulevardCannon Falls, MN 55009 · Goodhue County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55066 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Physician Assistant
701 HEWITT BLVD
RED WING, MN 55066
Psychiatry & Neurology (Neurology)
701 HEWITT BLVD
RED WING, MN 55066
Family Medicine
701 HEWITT BLVD
RED WING, MN 55066
Orthopaedic Surgery
701 HEWITT BLVD
RED WING, MN 55066
Radiology (Diagnostic Radiology)
701 HEWITT BLVD
RED WING, MN 55066
Family Medicine
701 HEWITT BLVD
RED WING, MN 55066
Occupational Therapist
701 HEWITT BLVD
RED WING, MN 55066
Nurse Practitioner
701 HEWITT BLVD
RED WING, MN 55066

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 Farrar's NPI number?

The NPI number for William Farrar is 1942263108. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Where is William Farrar located?

William Farrar practices at 701 Hewitt Blvd, Red Wing, MN 55066. The listed phone number is (651) 267-5000.

What is William Farrar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is William Farrar enrolled in Medicare?

Yes. William Farrar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Farrar accept?

Health plans from Medica, Sanford Health Plan and Security Health Plan list William Farrar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Farrar affiliated with any hospitals?

According to CMS data, William Farrar is affiliated with Mayo Clinic Hospital Rochester, Mayo Clinic Health System In Red Wing, Mayo Clinic Health System - Lake City and Mayo Clinic Health System - Cannon Falls.

When was this NPI record last updated?

The NPPES record for William Farrar was last updated on September 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.