JOHN H NIEMEYER MD
NPI 1083621155
Radiology - Diagnostic Radiology in St Louis, MO

NPI Status: Active since August 02, 2006

Contact Information

3015 N NEW BALLAS RD
ST LOUIS, MO
ZIP 63131
Phone: (314) 996-5180
Fax: (314) 821-2180

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Insurance Plans Accepted
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Radiology
Diagnostic Radiology

About JOHN NIEMEYER

This page provides the complete NPI Profile along with additional information for John Niemeyer, a provider established in St Louis, Missouri with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1083621155 assigned on August 2006. The practitioner's primary taxonomy code is 2085R0202X with license number R4F79 (MO). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI: 1083621155
Provider Name: JOHN H NIEMEYER MD
Gender: Male
Entity Type: Individual
Location Address: 3015 N NEW BALLAS RD ST LOUIS, MO 63131
Location Phone: (314) 996-5180
Location Fax: (314) 821-2180
Mailing Address: 55 WESTPORT PLZ SUITE 300 SAINT LOUIS, MO 63146
Mailing Phone: (314) 548-4772
Mailing Fax: (314) 821-2180
Is Sole Proprietor?: No
Enumeration Date: 08-02-2006
Last Update Date: 03-18-2009
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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: Radiology Diagnostic Radiology
Taxonomy Code: 2085R0202X
Type: Allopathic & Osteopathic Physicians
License No.: R4F79
License State: MO
Taxonomy Description: A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No.	Taxonomy Code	Type	Classification / Specialization	License No. (State)
1	2085R0202X	Allopathic & Osteopathic Physicians	Radiology Diagnostic Radiology	036108453 (IL)

Insurance Plans Accepted

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

Medicare

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

Medicaid

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
A12511	OTHER (01)		GATE WAY
008012444	OTHER (01)		MO CARE
2781	OTHER (01)		GHP
431725842MID	OTHER (01)		MERCY
1078154	OTHER (01)		MC MCAID
202282406	OTHER (01)		MO CAID
A12511	MEDICARE UPIN (02)
101033	OTHER (01)		H LINK
1650514	OTHER (01)		PH PLAN
28081	OTHER (01)		BLUE CHOICE
300066988	OTHER (01)		RR CARE
398022	OTHER (01)		HLT PART
1390	OTHER (01)		MO BLUE
003013128	OTHER (01)		CARE
003013128	OTHER (01)		MO CARE
008012444	MEDICARE PIN (08)	MO
0090000352	OTHER (01)		IL BLUE
6707	OTHER (01)		HCARE USA
008012444	OTHER (01)		CARE
300066988	MEDICARE PIN (08)

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 1083621155, we treat the final digit (5) 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 45. The final step is to find the difference between that total and the next multiple of ten (50 - 45 = 5).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 12 → 1 + 2

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

Check

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 8 → 16 → 7 6 → 12 → 3 1 → 2 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 1 + 2 + 2 + 2 + 1 + 1 + 0 + 24 = 45

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

The next multiple of ten after 45 is 50. The difference is the calculated check digit.

50 - 45 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1083621155.