THOMAS GIETZEN M.D.
NPI 1598826521
Internal Medicine - Gastroenterology in Petoskey, MI

NPI Status: Active since December 13, 2006

Contact Information

560 W MITCHELL ST
SUITE G40
PETOSKEY, MI
ZIP 49770
Phone: (231) 487-2391
Fax: (231) 487-6513

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About THOMAS GIETZEN

This page provides the complete NPI Profile along with additional information for Thomas Gietzen, an internist established in Petoskey, Michigan with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1598826521 assigned on December 2006. The practitioner's primary taxonomy code is 207RG0100X with license number TG030269 (MI). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1598826521
Provider Name
THOMAS GIETZEN M.D.
Gender
Male
Entity Type
Individual
Location Address
560 W MITCHELL ST SUITE G40 PETOSKEY, MI 49770
Location Phone
(231) 487-2391
Location Fax
(231) 487-6513
Mailing Address
4100 PARK FOREST DR SUITE 208 TRAVERSE CITY, MI 49684
Mailing Phone
(231) 935-9060
Mailing Fax
(231) 487-6513
Is Sole Proprietor?
No
Enumeration Date
12-13-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Thomas Gietzen is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
TG030269
License State
MI
Taxonomy Description
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
B43713MEDICARE UPIN (02)MI 
4109215MEDICAID (05)MI 
OB81010OTHER (01)MIBCBSM

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1598826521, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
5
Unchanged
Pos 9
2
Doubled → 4
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 8 → 16 → 7 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 1 + 8 + 8 + 1 + 6 + 2 + 1 + 2 + 5 + 4 + 24 = 69

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1598826521.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
560 W MITCHELL ST, STE 300
PETOSKEY, MI 49770
Internal Medicine
560 W MITCHELL ST
PETOSKEY, MI 49770
Internal Medicine
560 W MITCHELL ST, SUITE 300
PETOSKEY, MI 49770
Internal Medicine
560 W MITCHELL ST, SUITE 300
PETOSKEY, MI 49770
Internal Medicine
560 W MITCHELL ST
PETOSKEY, MI 49770
Internal Medicine
560 W MITCHELL ST, SUITE 300
PETOSKEY, MI 49770
Nurse Practitioner (Family)
560 W MITCHELL ST, SUITE 300
PETOSKEY, MI 49770
Internal Medicine (Infectious Disease)
560 W MITCHELL ST, SUITE 170
PETOSKEY, MI 49770
Internal Medicine
560 W MITCHELL ST, SUITE 300
PETOSKEY, MI 49770
Internal Medicine
560 W MITCHELL ST, SUITE 300
PETOSKEY, MI 49770
Obstetrics & Gynecology
560 W MITCHELL ST, STE 210
PETOSKEY, MI 49770
Surgery
560 W MITCHELL ST, SUITE 140
PETOSKEY, MI 49770
Dermatology
560 W MITCHELL ST, SUITE 510
PETOSKEY, MI 49770
Obstetrics & Gynecology
560 W MITCHELL ST, STE 210
PETOSKEY, MI 49770
Psychiatry & Neurology (Neurology)
560 W MITCHELL ST, SUITE 350
PETOSKEY, MI 49770
Audiologist-Hearing Aid Fitter
560 W MITCHELL ST, SUITE 250
PETOSKEY, MI 49770
Internal Medicine (Cardiovascular Disease)
560 W MITCHELL ST, SUITE 400
PETOSKEY, MI 49770
Internal Medicine (Cardiovascular Disease)
560 W MITCHELL ST, SUITE 400
PETOSKEY, MI 49770
Internal Medicine (Cardiovascular Disease)
560 W MITCHELL ST, SUITE 400
PETOSKEY, MI 49770
Internal Medicine (Pulmonary Disease)
560 W MITCHELL ST, SUITE 505
PETOSKEY, MI 49770

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598826521, enumerated as an "individual" on December 13, 2006.

The provider is located at 560 W MITCHELL ST SUITE G40 PETOSKEY, MI 49770 and the phone number is (231) 487-2391.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Medicare, Medicaid and Blue Cross Blue Shield. Please consult your insurance carrier or call the provider to verify.