DAVID H AHRENHOLZ MD
NPI 1609843093
Surgery in St Paul, MN

NPI Status: Active since March 03, 2006

Contact Information

640 JACKSON STREET
MAIL STOP 11101E
ST PAUL, MN
ZIP 55101
Phone: (651) 254-4870
Fax: (651) 254-3048

Get Directions Write a Review

  • Individual
  • Male
  • Surgery

About DAVID AHRENHOLZ

This page provides the complete NPI Profile along with additional information for David Ahrenholz, a provider established in St Paul, Minnesota with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1609843093 assigned on March 2006. The practitioner's primary taxonomy code is 208600000X with license number 22753 (MN). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1609843093
Provider Name
DAVID H AHRENHOLZ MD
Gender
Male
Entity Type
Individual
Location Address
640 JACKSON STREET MAIL STOP 11101E ST PAUL, MN 55101
Location Phone
(651) 254-4870
Location Fax
(651) 254-3048
Mailing Address
8100 34TH AVE S 21110Q BLOOMINGTON, MN 55425
Mailing Phone
(952) 883-5790
Mailing Fax
(651) 254-3048
Is Sole Proprietor?
Yes
Enumeration Date
03-03-2006
Last Update Date
07-08-2007
Code Navigator

A surgeon like David Ahrenholz treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

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

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License No.
22753
License State
MN
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

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.

*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
D81204MEDICARE UPIN (02) 

Reviews for DAVID H AHRENHOLZ MD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1609843093, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
6
Unchanged
Pos 3
0
Doubled → 0
Pos 4
9
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
3
Doubled → 6
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
3
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 0 → 0 8 → 16 → 7 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 0 + 9 + 1 + 6 + 4 + 6 + 0 + 1 + 8 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1609843093.

Other Providers at the Same Location


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

Internal Medicine
640 JACKSON STREET
ST PAUL, MN 55101
Psychiatry & Neurology (Psychiatry)
640 JACKSON STREET, MAIL STOP 11303A
ST PAUL, MN 55101
Clinical Nurse Specialist
640 JACKSON STREET, MAIL STOP 11303A
ST PAUL, MN 55101
Psychologist (Clinical)
640 JACKSON STREET, MAIL STOP 11303A
ST PAUL, MN 55101
Pathology (Anatomic Pathology & Clinical Pathology)
640 JACKSON STREET, MC 11103E
ST PAUL, MN 55101
Internal Medicine
640 JACKSON STREET
ST PAUL, MN 55101
Psychiatry & Neurology (Psychiatry)
640 JACKSON STREET, MAIL STOP 11303A
ST PAUL, MN 55101
Advanced Practice Midwife
640 JACKSON STREET, MC 11503H
ST PAUL, MN 55101
Surgery
640 JACKSON STREET, MAIL STOP 11101E
ST PAUL, MN 55101
Emergency Medicine (Hospice and Palliative Medicine)
640 JACKSON STREET, MC 11102F
ST PAUL, MN 55101
Internal Medicine (Cardiovascular Disease)
640 JACKSON STREET, MC 11102H
ST PAUL, MN 55101
Emergency Medicine
640 JACKSON STREET, MC11102F
ST PAUL, MN 55101
Obstetrics & Gynecology
640 JACKSON STREET, MC 11503H
ST PAUL, MN 55101
Emergency Medicine
640 JACKSON STREET, MC 11102F
ST PAUL, MN 55101
Nurse Anesthetist, Certified Registered
640 JACKSON STREET, MAIL STOP 11503P
ST PAUL, MN 55101
Nurse Practitioner
640 JACKSON STREET
ST PAUL, MN 55101
Physician Assistant
640 JACKSON STREET, MAIL STOP 11101E
ST PAUL, MN 55101
Nurse Anesthetist, Certified Registered
640 JACKSON STREET, MAIL STOP 11503P
ST PAUL, MN 55101
Nurse Anesthetist, Certified Registered
640 JACKSON STREET, MAIL STOP 11503P
ST PAUL, MN 55101
Nurse Anesthetist, Certified Registered
640 JACKSON STREET, MAIL STOP 11503P
ST PAUL, MN 55101

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609843093, enumerated as an "individual" on March 03, 2006.

The provider is located at 640 JACKSON STREET MAIL STOP 11101E ST PAUL, MN 55101 and the phone number is (651) 254-4870.

Surgery with taxonomy code 208600000X.

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