COOLIDGE ROYAL OAK, LLC
NPI 1215813399
Clinic/Center - Ambulatory Surgical in Royal Oak, MI

NPI Status: Active since August 13, 2025

Contact Information

5140 COOLIDGE HWY STE 200
ROYAL OAK, MI
ZIP 48073
Phone: (586) 260-4665

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  • Organization
  • Clinic/Center
  • Ambulatory Surgical
  • CLIA Number: 23D2329171
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 08-24-2027

About COOLIDGE ROYAL OAK, LLC

This page provides the complete NPI Profile along with additional information for Coolidge Royal Oak, Llc, a provider established in Royal Oak, Michigan operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1215813399 assigned on August 2025. The practitioner's primary taxonomy code is 261QA1903X. The provider is registered as an organization and their NPI record was last updated June 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Samantha Larson (Vp Of Operations)

NPI
1215813399
Provider Name
COOLIDGE ROYAL OAK, LLC
Entity Type
Organization
Location Address
5140 COOLIDGE HWY STE 200 ROYAL OAK, MI 48073
Location Phone
(586) 260-4665
Mailing Address
5140 COOLIDGE HWY STE 200 ROYAL OAK, MI 48073
Mailing Phone
(248) 955-4950
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-13-2025
Last Update Date
06-04-2026
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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

Clinic/Center Ambulatory Surgical

Taxonomy Code
261QA1903X
Type
Ambulatory Health Care Facilities

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)
1207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

 

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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

SAMANTHA LARSON

Authorized Official Title
VP OF OPERATIONS
Authorized Official Phone
(248) 955-4950

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
23D2329171
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
August 25, 2025
Certificate Expiration Date
August 24, 2027
Laboratory Director
SAMANTHA M. LARSON
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Coolidge Royal Oak, Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1215813399, 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
2
Unchanged
Pos 3
1
Doubled → 2
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 1 → 2 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 + 2 + 2 + 5 + 1 + 6 + 1 + 6 + 3 + 1 + 8 + 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 1215813399.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1215813399, enumerated as an "organization" on August 13, 2025.

The provider is located at 5140 COOLIDGE HWY STE 200 ROYAL OAK, MI 48073 and the phone number is (586) 260-4665.

Clinic/Center with taxonomy code 261QA1903X and a focus in Ambulatory Surgical.