ALLAN B WILLETT M.D.
NPI 1841226321
Psychiatry & Neurology - Psychiatry in Littleton, CO

NPI Status: Active since June 24, 2006

Contact Information

9200 W CROSS DR
SUITE 421
LITTLETON, CO
ZIP 80123
Phone: (303) 432-5600

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About ALLAN WILLETT

This page provides the complete NPI Profile along with additional information for Allan Willett, a provider established in Littleton, Colorado with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1841226321 assigned on June 2006. The practitioner's primary taxonomy code is 2084P0800X with license number 18444 (CO). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1841226321
Provider Name
ALLAN B WILLETT M.D.
Gender
Male
Entity Type
Individual
Location Address
9200 W CROSS DR SUITE 421 LITTLETON, CO 80123
Location Phone
(303) 432-5600
Mailing Address
1758 SINTON RD EVERGREEN, CO 80439
Mailing Phone
(303) 670-0548
Is Sole Proprietor?
Yes
Enumeration Date
06-24-2006
Last Update Date
12-15-2008
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A psychiatrist like Allan Willett are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

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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 Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
18444
License State
CO
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

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.

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
E74375MEDICARE UPIN (02)CO 
C806757MEDICARE 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 1841226321, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
2
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
3
Unchanged
Pos 9
2
Doubled → 4
Check
1
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 6 → 12 → 3 2 → 4

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 + 2 + 1 + 2 + 3 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1841226321.

Other Providers at the Same Location


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

Dentist (General Practice)
9200 W CROSS DR, SUITE 300
LITTLETON, CO 80123
Dentist (General Practice)
9200 W CROSS DR, SUITE 315
LITTLETON, CO 80123
Dentist (General Practice)
9200 W CROSS DR, #407
LITTLETON, CO 80123
Audiologist
9200 W CROSS DR, #250
LITTLETON, CO 80123
Counselor (Mental Health)
9200 W CROSS DR, SUITE 421
LITTLETON, CO 80123
Dentist (Oral and Maxillofacial Surgery)
9200 W CROSS DR, SUITE 603
LITTLETON, CO 80123
Occupational Therapist
9200 W CROSS DR, SUITE 400
LITTLETON, CO 80123
Psychologist (Clinical)
9200 W CROSS DR, SUITE 421
LITTLETON, CO 80123
Dentist (General Practice)
9200 W CROSS DR, SUITE 300
LITTLETON, CO 80123
Physical Therapist
9200 W CROSS DR, SUITE 400
LITTLETON, CO 80123
Social Worker (Clinical)
9200 W CROSS DR
LITTLETON, CO 80123
Clinic/Center (Oral and Maxillofacial Surgery)
9200 W CROSS DR, SUITE 603
LITTLETON, CO 80123
Physical Therapist (Orthopedic)
9200 W CROSS DR, SUITE 400
LITTLETON, CO 80123
Clinical Neuropsychologist
9200 W CROSS DR, SUITE 405
LAKEWOOD, CO 80123
Dentist (Oral and Maxillofacial Surgery)
9200 W CROSS DR, SUITE #603
LITTLETON, CO 80123
Clinic/Center (Oral and Maxillofacial Surgery)
9200 W CROSS DR, SUITE # 603
LITTLETON, CO 80123
Social Worker (Clinical)
9200 W CROSS DR
LITTLETON, CO 80123
Counselor (Professional)
9200 W CROSS DR, SUITE 225
LITTLETON, CO 80123
Counselor (Professional)
9200 W CROSS DR
LITTLETON, CO 80123
Audiologist-Hearing Aid Fitter
9200 W CROSS DR, 250
LITTLETON, CO 80123

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841226321, enumerated as an "individual" on June 24, 2006.

The provider is located at 9200 W CROSS DR SUITE 421 LITTLETON, CO 80123 and the phone number is (303) 432-5600.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.

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