Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

ROBERT K KNOPP MD
NPI 1811966757
Emergency Medicine in St Paul, MN

Active since March 14, 2006
640 JACKSON STREET, MC 11102F, ST PAUL, MN 55101(651) 254-3456(651) 254-5216 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Emergency Medicine

About ROBERT KNOPP

This page provides the complete NPI Profile along with additional information for Robert Knopp, a provider established in St Paul, Minnesota with a medical specialization in Emergency Medicine. The healthcare provider is registered in the NPI registry with number 1811966757 assigned on March 2006. The practitioner's primary taxonomy code is 207P00000X with license number 19191 (MN). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1811966757
Provider Name
ROBERT K KNOPP MD
Gender
Male
Entity Type
Individual
Location Address
640 JACKSON STREET MC 11102F ST PAUL, MN 55101
Location Phone
(651) 254-3456
Location Fax
(651) 254-5216
Mailing Address
8100 34TH AVE S MC21110Q BLOOMINGTON, MN 55425
Mailing Phone
(952) 883-7172
Mailing Fax
(952) 883-5395
Is Sole Proprietor?
No
Enumeration Date
03-14-2006
Last Update Date
07-13-2026
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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

Emergency Medicine

Taxonomy Code
207P00000X
Type
Allopathic & Osteopathic Physicians
License No.
19191
License State
MN
Taxonomy Description
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

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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 1811966757, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
8
Unchanged
Pos 3
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
7
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 1 → 2 9 → 18 → 9 6 → 12 → 3 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 2 + 1 + 1 + 8 + 6 + 1 + 2 + 7 + 1 + 0 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1811966757.

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
Internal Medicine
640 JACKSON STREET
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
Nurse Anesthetist, Certified Registered
640 JACKSON STREET, MAIL STOP 11503P
ST PAUL, MN 55101
Internal Medicine
640 JACKSON STREET, MC11503F
ST PAUL, MN 55101
Advanced Practice Midwife
640 JACKSON STREET, MC 11503H
ST PAUL, MN 55101
Nurse Practitioner
640 JACKSON STREET
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
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
Physician Assistant
640 JACKSON STREET
ST PAUL, MN 55101
Physical Therapist
640 JACKSON STREET
ST. PAUL, MN 55101
Emergency Medicine
640 JACKSON STREET, REGIONS HOSPITAL
ST PAUL, MN 55101
Physical Therapist
640 JACKSON STREET
ST. PAUL, MN 55101
Speech-Language Pathologist
640 JACKSON STREET, REGIONS HOSPITAL
ST. PAUL, MN 55101
Nurse Practitioner
640 JACKSON STREET
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 1811966757, enumerated as an "individual" on March 14, 2006.

The provider is located at 640 JACKSON STREET MC 11102F ST PAUL, MN 55101 and the phone number is (651) 254-3456.

Emergency Medicine with taxonomy code 207P00000X.