INTERNAL MEDICINE SPECIALISTS
NPI 1043386147
Clinic/Center - Primary Care in Saint Louis, MO

NPI Status: Active since November 28, 2006

Contact Information

3009 N BALLAS RD
SUITE 315A
SAINT LOUIS, MO
ZIP 63131
Phone: (314) 996-5900
Fax: (314) 996-5910

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  • Organization
  • Clinic/Center
  • Primary Care
  • CLIA Number: 26D0890437
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 06-06-2026

About INTERNAL MEDICINE SPECIALISTS

This page provides the complete NPI Profile along with additional information for Internal Medicine Specialists, a primary care provider established in Saint Louis, Missouri operating as a Clinic/center, focusing in primary care . The healthcare provider is registered in the NPI registry with number 1043386147 assigned on November 2006. The practitioner's primary taxonomy code is 261QP2300X. The provider is registered as an organization and their NPI record was last updated 18 years ago. The provider's is doing business as Internal Medicine Specialists. The authorized official of this NPI record is Raymond P Davidson Ii Md (President)

NPI
1043386147
Provider Legal Name
PHYSICIAN GROUPS LC
Other Organization Name
INTERNAL MEDICINE SPECIALISTS
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
3009 N BALLAS RD SUITE 315A SAINT LOUIS, MO 63131
Location Phone
(314) 996-5900
Location Fax
(314) 996-5910
Mailing Address
670 MASON RIDGE CENTER DR SUITE 300 SAINT LOUIS, MO 63141
Mailing Phone
(314) 996-7644
Mailing Fax
(314) 996-5910
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-28-2006
Last Update Date
03-26-2008
Code Navigator

A primary care provider (PCP) like Internal Medicine Specialists sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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

Clinic/Center Primary Care

Taxonomy Code
261QP2300X
Type
Ambulatory Health Care Facilities

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.

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

RAYMOND P DAVIDSON II MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(314) 286-2028

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
CN1994OTHER (01)MOMEDICARE RAILRAOD

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
26D0890437
Facility Type
Physician Office
Certificate Effective Date
June 07, 2024
Certificate Expiration Date
June 06, 2026
Laboratory Director
LILIBETH M. CAYABYAB-LOE
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Internal Medicine Specialists 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.

Reviews for INTERNAL MEDICINE SPECIALISTS

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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 1043386147, 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
0
Unchanged
Pos 3
4
Doubled → 8
Pos 4
3
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
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 4 → 8 3 → 6 6 → 12 → 3 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 6 + 8 + 1 + 2 + 1 + 8 + 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 1043386147.

Other Providers at the Same Location


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

Dermatology (MOHS-Micrographic Surgery)
3009 N BALLAS RD, STE 310A
SAINT LOUIS, MO 63131
Obstetrics & Gynecology
3009 N BALLAS RD, STE 356C
SAINT LOUIS, MO 63131
Obstetrics & Gynecology
3009 N BALLAS RD, STE 356C
SAINT LOUIS, MO 63131
Specialist
3009 N BALLAS RD, SUITE 102B
SAINT LOUIS, MO 63131
Orthopaedic Surgery
3009 N BALLAS RD, SUITE 131 A
SAINT LOUIS, MO 63131
Internal Medicine (Pulmonary Disease)
3009 N BALLAS RD, SUITE 251C
SAINT LOUIS, MO 63131
Internal Medicine
3009 N BALLAS RD, SUITE A226
SAINT LOUIS, MO 63131
Internal Medicine (Pulmonary Disease)
3009 N BALLAS RD, 256C
SAINT LOUIS, MO 63131
Internal Medicine
3009 N BALLAS RD, SUITE 300A
SAINT LOUIS, MO 63131
Specialist
3009 N BALLAS RD, SUITE 202B
SAINT LOUIS, MO 63131
Internal Medicine (Infectious Disease)
3009 N BALLAS RD, SUITE 130A
SAINT LOUIS, MO 63131
Specialist
3009 N BALLAS RD, 132A
SAINT LOUIS, MO 63131
Surgery
3009 N BALLAS RD, 132A
SAINT LOUIS, MO 63131
Otolaryngology
3009 N BALLAS RD, SUITE 351C
SAINT LOUIS, MO 63131
Psychiatry & Neurology (Neurology)
3009 N BALLAS RD, SUITE 102B
SAINT LOUIS, MO 63131
Surgery
3009 N BALLAS RD, SUITE 129A
SAINT LOUIS, MO 63131
Specialist
3009 N BALLAS RD, STE. 208B
SAINT LOUIS, MO 63131
Psychiatry & Neurology (Neurology)
3009 N BALLAS RD, SUITE 209B
SAINT LOUIS, MO 63131
Pediatrics
3009 N BALLAS RD, SUITE 259C
SAINT LOUIS, MO 63131
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3009 N BALLAS RD, #360C
SAINT LOUIS, MO 63131

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043386147, enumerated as an "organization" on November 28, 2006.

The provider is located at 3009 N BALLAS RD SUITE 315A SAINT LOUIS, MO 63131 and the phone number is (314) 996-5900.

Clinic/Center with taxonomy code 261QP2300X and a focus in Primary Care.

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