R. CLARK DAVIS, M.D., INC.
NPI 1841277498
Specialist in Pasadena, CA

NPI Status: Active since December 26, 2005

Contact Information

10 CONGRESS ST
SUITE 509
PASADENA, CA
ZIP 91105
Phone: (626) 795-6327
Fax: (626) 795-5756

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  • Organization
  • Specialist

About R. CLARK DAVIS, M.D., INC.

This page provides the complete NPI Profile along with additional information for R. Clark Davis, M.d., Inc., a provider established in Pasadena, California operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1841277498 assigned on December 2005. The practitioner's primary taxonomy code is 174400000X with license number G13731 (CA). The provider is registered as an organization and their NPI record was last updated 19 years ago. 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 Roy Clark Davis M.d. (Orthopaedic Hand Surgeon)

NPI
1841277498
Provider Name
R. CLARK DAVIS, M.D., INC.
Entity Type
Organization
Location Address
10 CONGRESS ST SUITE 509 PASADENA, CA 91105
Location Phone
(626) 795-6327
Location Fax
(626) 795-5756
Mailing Address
10 CONGRESS ST SUITE 509 PASADENA, CA 91105
Mailing Phone
(626) 795-6327
Mailing Fax
(626) 795-5756
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-26-2005
Last Update Date
10-27-2007
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
G13731
License State
CA
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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.

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

ROY CLARK DAVIS M.D.

Authorized Official Title
ORTHOPAEDIC HAND SURGEON
Authorized Official Phone
(626) 795-6327

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
A89196MEDICARE UPIN (02)CA 
G13731MEDICARE ID-TYPE UNSPECIFIED (04)CA 

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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 1841277498, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
7
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
8
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 2 → 4 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 4 + 7 + 1 + 4 + 4 + 1 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1841277498.

Other Providers at the Same Location


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

Obstetrics & Gynecology
10 CONGRESS ST, SUITE 400
PASADENA, CA 91105
Obstetrics & Gynecology
10 CONGRESS ST, SUITE 400
PASADENA, CA 91105
Obstetrics & Gynecology
10 CONGRESS ST, SUITE 400
PASADENA, CA 91105
Obstetrics & Gynecology
10 CONGRESS ST, #400
PASADENA, CA 91105
Obstetrics & Gynecology
10 CONGRESS ST, STE 400
PASADENA, CA 91105
Internal Medicine (Nephrology)
10 CONGRESS ST, SUITE 507
PASADENA, CA 91105
Obstetrics & Gynecology
10 CONGRESS ST, SUITE 403
PASADENA, CA 91105
Internal Medicine
10 CONGRESS ST, SUITE 208
PASADENA, CA 91105
Ophthalmology
10 CONGRESS ST, #340
PASADENA, CA 91105
Internal Medicine
10 CONGRESS ST, SUITE 202
PASADENA, CA 91105
Internal Medicine
10 CONGRESS ST, SUITE 208
PASADENA, CA 91105
Internal Medicine
10 CONGRESS ST, SUITE 208
PASADENA, CA 91105
Internal Medicine
10 CONGRESS ST, SUITE 208
PASADENA, CA 91105
Internal Medicine
10 CONGRESS ST, SUITE 208
PASADENA, CA 91105
Internal Medicine
10 CONGRESS ST, SUITE 208
PASADENA, CA 91105
Internal Medicine
10 CONGRESS ST, SUITE 208
PASADENA, CA 91105
Psychiatry & Neurology (Neurology)
10 CONGRESS ST, SUITE 505
PASADENA, CA 91105
Neuromusculoskeletal Medicine, Sports Medicine
10 CONGRESS ST, SUITE 103
PASADENA, CA 91105
Obstetrics & Gynecology (Reproductive Endocrinology)
10 CONGRESS ST, SUITE 509
PASADENA, CA 91105
Podiatrist (Foot & Ankle Surgery)
10 CONGRESS ST, #410
PASADENA, CA 91105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841277498, enumerated as an "organization" on December 26, 2005.

The provider is located at 10 CONGRESS ST SUITE 509 PASADENA, CA 91105 and the phone number is (626) 795-6327.

Specialist with taxonomy code 174400000X.

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