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JOHN IRVIN ALLEN MD
NPI 1154393502
Internal Medicine - Gastroenterology in Ann Arbor, MI

Active since February 01, 2006
1500 EAST MEDICAL CENTER DRIVE, 3RD FLOOR TAUBMAN ENTER RECP D, ANN ARBOR, MI 48109(734) 647-5944 Get Directions Write a Review

NPPES record last updated: January 21, 2019. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Jan 21, 2019, Nov 9, 2018, Oct 10, 2016 and 1 more (4 updates tracked since 2016).

About John Irvin Allen Md NPPES

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

JOHN IRVIN ALLEN MD (NPI 1154393502) is an individual gastroenterology provider in Ann Arbor, Michigan, licensed in Michigan (4301110254) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1154393502
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJOHN IRVIN ALLENCredential: MD
Location Address1500 EAST MEDICAL CENTER DRIVE, 3RD FLOOR TAUBMAN ENTER RECP DAnn Arbor, MI 48109-5362
Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299
Phone(734) 647-5944
Sole ProprietorNo
Enumeration DateFebruary 1, 2006
Last NPPES UpdateJanuary 21, 20194 updates tracked since enumeration
✔ NPI 1154393502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in MI · 4301110254✔ Licensed in CT · 051552
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 4301110254 (MI)
1500 EAST MEDICAL CENTER DRIVE, Ann Arbor, MI 48109
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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.

CINDY FELCHER PA-C
Physician Assistant
1500 EAST MEDICAL CENTER DRIVE, 2ND FLOOR TAUBMAN CENTER RECP A
ANN ARBOR, MI 48109
Washtenaw County (734) 936-5850
JANA SUZANNE BARKMAN NP
Nurse Practitioner (Acute Care)
1500 EAST MEDICAL CENTER DRIVE, 2ND FLOOR TAUBMAN CENTER RECP G
ANN ARBOR, MI 48109
Washtenaw County (734) 936-7010
KAREN KAURANEN
Occupational Therapist
1500 EAST MEDICAL CENTER DRIVE
ANN ARBOR, MI 48109
Washtenaw County (734) 936-7070
ANN M RAMSEY NP
Nurse Practitioner
1500 EAST MEDICAL CENTER DRIVE, 1ST FLOOR TAUBMAN CTR RECP D
ANN ARBOR, MI 48109
Washtenaw County (734) 764-4123
DR. SUSAN RIGGS RUNGE MD
Dermatology
1500 EAST MEDICAL CENTER DRIVE, 1ST FLOOR TAUBMAN CENTER RECP B
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4054
BENJAMIN MARTIN BLY MD
Psychiatry & Neurology (Neurology)
1500 EAST MEDICAL CENTER DRIVE, 1ST FLOOR UNIVERSITY HOSPITAL ROOM 1B300
ANN ARBOR, MI 48109
Washtenaw County (734) 936-9035
AISHA YOUSUF MD
Obstetrics & Gynecology
1500 EAST MEDICAL CENTER DRIVE, L4100 WOMENS
ANN ARBOR, MI 48109
Washtenaw County (734) 936-9434
KATHARINE ANNE THORNSBERRY NP
Nurse Practitioner
1500 EAST MEDICAL CENTER DRIVE, 11TH FLOOR C.S. MOTT CHILDREN'S HOSPITAL
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4978

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 John Allen's NPI number?

The NPI number for John Allen is 1154393502. It was assigned to this individual provider in the NPPES registry on February 1, 2006.

Where is John Allen located?

John Allen practices at 1500 East Medical Center Drive 3rd Floor Taubman Enter Recp D, Ann Arbor, MI 48109. The listed phone number is (734) 647-5944.

What is John Allen'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 John Allen was last updated on January 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.