ONYX MANAGEMENT SERVICES ORGANIZATION LLC
NPI 1598610529
Orthopaedic Surgery in Saint Louis, MO

NPI Status: Active since March 04, 2026

Contact Information

425 N NEW BALLAS RD STE 230
SAINT LOUIS, MO
ZIP 63141
Phone: (314) 266-2066

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  • Organization
  • Orthopaedic Surgery

About ONYX MANAGEMENT SERVICES ORGANIZATION LLC

This page provides the complete NPI Profile along with additional information for Onyx Management Services Organization Llc, a provider established in Saint Louis, Missouri operating as a Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1598610529 assigned on March 2026. The practitioner's primary taxonomy code is 207X00000X. The provider is registered as an organization and their NPI record was last updated March 2026. Onyx Management Services Organization Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is David Minges Md (Owner/manager)

NPI
1598610529
Provider Name
ONYX MANAGEMENT SERVICES ORGANIZATION LLC
Entity Type
Organization
Location Address
425 N NEW BALLAS RD STE 230 SAINT LOUIS, MO 63141
Location Phone
(314) 266-2066
Mailing Address
425 N NEW BALLAS RD STE 230 SAINT LOUIS, MO 63141
Mailing Phone
(314) 266-2066
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-04-2026
Last Update Date
03-04-2026
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Location Map

Secondary Locations

  • 496 Old Route 66
    Saint Robert, MO 65584
    (314) 266-2066
  • 211 N Lindbergh Blvd Ste 101
    Saint Louis, MO 63141
    (314) 266-2066
  • 3095 Lexington Ave Ste 200
    Cape Girardeau, MO 63701
    (314) 266-2066
  • 1705 Christy Dr Ste 201
    Jefferson City, MO 65101
    (314) 266-2066

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

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DAVID MINGES MD

Authorized Official Title
OWNER/MANAGER
Authorized Official Phone
(314) 266-2066

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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 1598610529, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
5
Unchanged
Pos 9
2
Doubled → 4
Check
9
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 6 → 12 → 3 0 → 0 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 + 2 + 1 + 0 + 5 + 4 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1598610529.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Orthopaedic Surgery
425 N NEW BALLAS RD STE 230
SAINT LOUIS, MO 63141
Nurse Practitioner
425 N NEW BALLAS RD STE 230
SAINT LOUIS, MO 63141
Nurse Practitioner (Family)
425 N NEW BALLAS RD STE 230
SAINT LOUIS, MO 63141
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
425 N NEW BALLAS RD STE 230
SAINT LOUIS, MO 63141
Orthopaedic Surgery
425 N NEW BALLAS RD STE 230
SAINT LOUIS, MO 63141

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598610529, enumerated as an "organization" on March 04, 2026.

The provider is located at 425 N NEW BALLAS RD STE 230 SAINT LOUIS, MO 63141 and the phone number is (314) 266-2066.

Orthopaedic Surgery with taxonomy code 207X00000X.