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THOMAS TIETJEN M.D.
NPI 1861553026
Internal Medicine - Gastroenterology in Petoskey, MI

Active since December 12, 2006
560 W MITCHELL ST, SUITE M40, PETOSKEY, MI 49770(231) 487-2391(231) 487-6513 Get Directions Write a Review

NPPES record last updated: December 24, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Thomas Tietjen M.d. NPPES

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

THOMAS TIETJEN M.D. (NPI 1861553026) is an individual gastroenterology provider in Petoskey, Michigan, licensed in Michigan (TT077247) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1861553026
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameTHOMAS TIETJENCredential: M.D.
Location Address560 W MITCHELL ST, SUITE M40Petoskey, MI 49770-2278
Mailing Address859 Surrey LnPetoskey, MI 49770-9310 · (231) 838-4044 · Fax (231) 344-5923
Phone(231) 487-2391
Fax(231) 487-6513
Sole ProprietorNo
Enumeration DateDecember 12, 2006
Last NPPES UpdateDecember 24, 2015
✔ NPI 1861553026 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 MI · TT077247
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.
560 W MITCHELL ST, Petoskey, MI 49770
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Other Identifiers 2

Medicaid1861553026MI
Medicare UPINE82211MI

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.

BAYVIEW OB/GYN, PC
Obstetrics & Gynecology
560 W MITCHELL ST, STE 210
PETOSKEY, MI 49770
Emmet County (231) 487-2340
HARBOR ARTHRITIS CENTER, PC
Internal Medicine (Rheumatology)
560 W MITCHELL ST, STE 560
PETOSKEY, MI 49770
Emmet County (231) 487-2150
ROBERT JOHN SELEDOTIS D.O., P.C.
Neurological Surgery
560 W MITCHELL ST, SUITE 250
PETOSKEY, MI 49770
Emmet County (231) 487-3182
KRISTI LYNN DIPZINSKI NP-C
Nurse Practitioner (Adult Health)
560 W MITCHELL ST, SUITE 300
PETOSKEY, MI 49770
Emmet County (231) 487-2460
DR. VIRA C HEISE M.D.
Internal Medicine
560 W MITCHELL ST, SUITE 300
PETOSKEY, MI 49770
Emmet County (231) 487-2460
DANIEL E MCDONNELL M D P C
Internal Medicine (Pulmonary Disease)
560 W MITCHELL ST, STE 505
PETOSKEY, MI 49770
Emmet County (231) 487-2100
PETOSKEY EAR, NOSE & THROAT SPECIALISTS PLLC
Audiologist-Hearing Aid Fitter
560 W MITCHELL ST, SUITE 250
PETOSKEY, MI 49770
Emmet County (231) 487-3277
EILEEN V. PINKARD MD
Psychiatry & Neurology (Neurology)
560 W MITCHELL ST
PETOSKEY, MI 49770
Emmet County (231) 487-3295

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 Thomas Tietjen's NPI number?

The NPI number for Thomas Tietjen is 1861553026. It was assigned to this individual provider in the NPPES registry on December 12, 2006.

Where is Thomas Tietjen located?

Thomas Tietjen practices at 560 W Mitchell St Suite M40, Petoskey, MI 49770. The listed phone number is (231) 487-2391.

What is Thomas Tietjen'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 Thomas Tietjen was last updated on December 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.