CROSBY AND CHEN PLLC
NPI 1457552028
Psychiatry & Neurology - Neurology in Thornton, CO

NPI Status: Active since May 30, 2007

Contact Information

9141 GRANT ST
237
THORNTON, CO
ZIP 80229
Phone: (303) 452-1292
Fax: (303) 452-6225

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  • Organization
  • Psychiatry & Neurology
  • Neurology

About CROSBY AND CHEN PLLC

This page provides the complete NPI Profile along with additional information for Crosby And Chen Pllc, a provider established in Thornton, Colorado operating as a Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1457552028 assigned on May 2007. The practitioner's primary taxonomy code is 2084N0400X with license number 20936 (CO). The provider is registered as an organization and their NPI record was last updated 15 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 Dr. James A. Crosby D.o. (Owner)

NPI
1457552028
Provider Name
CROSBY AND CHEN PLLC
Entity Type
Organization
Location Address
9141 GRANT ST 237 THORNTON, CO 80229
Location Phone
(303) 452-1292
Location Fax
(303) 452-6225
Mailing Address
1930 S FEDERAL BLVD DENVER, CO 80219
Mailing Phone
(303) 935-9142
Mailing Fax
(303) 452-6225
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-30-2007
Last Update Date
11-23-2011
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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

Psychiatry & Neurology Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
20936
License State
CO
Taxonomy Description
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

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

DR. JAMES A. CROSBY D.O.

Authorized Official Title
OWNER
Authorized Official Phone
(303) 452-1292

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
D23855MEDICARE UPIN (02) 
01209360MEDICAID (05)CO 
DA9861OTHER (01)CORRW MEDICARE
C448998MEDICARE PIN (08)CO 

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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 1457552028, 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 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
4
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
5
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
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 5 → 10 → 1 5 → 10 → 1 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 0 + 7 + 1 + 0 + 5 + 4 + 0 + 4 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1457552028.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
9141 GRANT ST, SUITE 200
THORNTON, CO 80229
Advanced Practice Midwife
9141 GRANT ST, #B-45
THORNTON, CO 80229
Internal Medicine (Cardiovascular Disease)
9141 GRANT ST, SUITE 140
THORNTON, CO 80229
Internal Medicine (Cardiovascular Disease)
9141 GRANT ST
THORNTON, CO 80229
Pediatrics
9141 GRANT ST, #100
THORNTON, CO 80229
Family Medicine
9141 GRANT ST, SUITE 245
THORNTON, CO 80229
Orthopaedic Surgery
9141 GRANT ST, STE #240
THORNTON, CO 80229
Internal Medicine (Infectious Disease)
9141 GRANT ST, SUITE 235
THORNTON, CO 80229
Psychiatry & Neurology (Neurology)
9141 GRANT ST, STE 237
THORNTON, CO 80229
Advanced Practice Midwife
9141 GRANT ST, SUITE B45
THORNTON, CO 80229
Nurse Practitioner (Pediatrics)
9141 GRANT ST, SUITE 100
THORNTON, CO 80229
Psychiatry & Neurology (Neurology)
9141 GRANT ST, 237
THORNTON, CO 80229
Internal Medicine (Infectious Disease)
9141 GRANT ST, SUITE 125
THORNTON, CO 80229
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
9141 GRANT ST, SUITE 240
THORNTON, CO 80229
Clinic/Center (Primary Care)
9141 GRANT ST, SUITE 115
THORNTON, CO 80229
Urology
9141 GRANT ST, SUITE 245
THORNTON, CO 80229
Advanced Practice Midwife
9141 GRANT ST, #B-45
THORNTON, CO 80229
Audiologist
9141 GRANT ST, SUITE 110
THORNTON, CO 80229

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457552028, enumerated as an "organization" on May 30, 2007.

The provider is located at 9141 GRANT ST 237 THORNTON, CO 80229 and the phone number is (303) 452-1292.

Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.

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