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RANDALL WILLIAM LENGELING M.D.
NPI 1912976861
Internal Medicine - Gastroenterology in Dubuque, IA

Active since March 14, 2006
1515 DELHI ST, STE 100, DUBUQUE, IA 52001(563) 557-9111(563) 589-4046 Get Directions Write a Review

NPPES record last updated: April 6, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Randall William Lengeling M.d. NPPES

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

RANDALL WILLIAM LENGELING M.D. (NPI 1912976861) is an individual gastroenterology provider in Dubuque, Iowa, licensed in Iowa (21418) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1912976861
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameRANDALL WILLIAM LENGELINGCredential: M.D.
Location Address1515 DELHI ST, STE 100Dubuque, IA 52001-6320
Mailing Address1515 Delhi St, Ste 100Dubuque, IA 52001-6320 · (563) 557-9111 · Fax (563) 589-4046
Phone(563) 557-9111
Fax(563) 589-4046
Sole ProprietorNo
Enumeration DateMarch 14, 2006
Last NPPES UpdateApril 6, 2021
NPPES CertifiedApril 6, 2021
✔ NPI 1912976861 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 IA · 21418
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.
1515 DELHI ST, Dubuque, IA 52001
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Other Identifiers 3

Medicaid0180377089IL
Medicaid0183657IA
Medicaid30413500WI

Areas of Expertise CMS Part B claims

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.

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
12 services12 patients

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.

CYNTHIA J. KONZ M.D.
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
DR. ALEXANDER P JOHNSON M.D.
Hospitalist
1515 DELHI ST, SUITE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
KRISTIN ELIZABETH NELSON M.D.
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
BENJAMIN KUMOR M.D.
Family Medicine (Adult Medicine)
1515 DELHI ST, SUITE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
ALLEN GERARD MEURER M.D.
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
BRETT MAAG
Nurse Anesthetist, Certified Registered
1515 DELHI ST, SUITE 300
DUBUQUE, IA 52001
Dubuque County (563) 557-5991
MARK O LIABOE M.D.
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
BRIAN DOUGLAS MORAN M.D.
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111

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 Randall Lengeling's NPI number?

The NPI number for Randall Lengeling is 1912976861. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Where is Randall Lengeling located?

Randall Lengeling practices at 1515 Delhi St Ste 100, Dubuque, IA 52001. The listed phone number is (563) 557-9111.

What is Randall Lengeling's specialty?

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

When was this NPI record last updated?

The NPPES record for Randall Lengeling was last updated on April 6, 2021. 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.