JOHN A. WILLOUGHBY MD
NPI 1073602330
Psychiatry & Neurology - Psychiatry in Missoula, MT

NPI Status: Active since October 12, 2006

Contact Information

900 N ORANGE ST
SUITE 202
MISSOULA, MT
ZIP 59802
Phone: (406) 327-3362
Fax: (406) 327-3349

Get Directions Write a Review

  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About JOHN WILLOUGHBY

This page provides the complete NPI Profile along with additional information for John Willoughby, a provider established in Missoula, Montana with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1073602330 assigned on October 2006. The practitioner's primary taxonomy code is 2084P0800X with license number 11824 (MT). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1073602330
Provider Name
JOHN A. WILLOUGHBY MD
Gender
Male
Entity Type
Individual
Location Address
900 N ORANGE ST SUITE 202 MISSOULA, MT 59802
Location Phone
(406) 327-3362
Location Fax
(406) 327-3349
Mailing Address
900 N ORANGE ST SUITE 202 MISSOULA, MT 59802
Mailing Phone
(406) 327-3362
Mailing Fax
(406) 327-3349
Is Sole Proprietor?
No
Enumeration Date
10-12-2006
Last Update Date
04-29-2021
Code Navigator

A psychiatrist like John Willoughby 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.

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

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
11824
License State
MT
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.

Reviews for JOHN A. WILLOUGHBY MD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1073602330, we treat the final digit (0) 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).

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
7
Doubled → 14 → 1 + 4
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
2
Doubled → 4
Pos 8
3
Unchanged
Pos 9
3
Doubled → 6
Check
0
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 7 → 14 → 5 6 → 12 → 3 2 → 4 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 4 + 3 + 1 + 2 + 0 + 4 + 3 + 6 + 24 = 50

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

The next multiple of ten after 50 is 50. The difference is the calculated check digit.

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1073602330.

Other Providers at the Same Location


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

Plastic Surgery
900 N ORANGE ST, SUITE 106
MISSOULA, MT 59802
Psychiatry & Neurology (Neurology)
900 N ORANGE ST, THIRD FLOOR
MISSOULA, MT 59802
Psychiatry & Neurology (Neurology)
900 N ORANGE ST, THIRD FLOOR
MISSOULA, MT 59802
Specialist
900 N ORANGE ST, STE 103
MISSOULA, MT 59802
Counselor (Professional)
900 N ORANGE ST, THIRD FLOOR
MISSOULA, MT 59802
Counselor (Professional)
900 N ORANGE ST, SUITE 301
MISSOULA, MT 59802
Midwife
900 N ORANGE ST
MISSOULA, MT 59802
Social Worker (Clinical)
900 N ORANGE ST, SUITE 107
MISSOULA, MT 59802
Dietitian, Registered
900 N ORANGE ST, 207
MISSOULA, MT 59802
900 N ORANGE ST, SUITE #106
MISSOULA, MT 59802
Physician Assistant (Medical)
900 N ORANGE ST, SUITE #207
MISSOULA, MT 59802
Physician Assistant (Medical)
900 N ORANGE ST, SUITE 304
MISSOULA, MT 59802
Physician Assistant (Medical)
900 N ORANGE ST, SUITE 303
MISSOULA, MT 59802
Family Medicine
900 N ORANGE ST, SUITE 103 AND 106
MISSOULA, MT 59802
Social Worker (Clinical)
900 N ORANGE ST, STE 301
MISSOULA, MT 59802
Nurse Practitioner (Family)
900 N ORANGE ST, SUITE 304
MISSOULA, MT 59802
Social Worker (Clinical)
900 N ORANGE ST, STE 202
MISSOULA, MT 59802
Registered Nurse
900 N ORANGE ST, SUITE 103
MISSOULA, MT 59802
Registered Nurse
900 N ORANGE ST
MISSOULA, MT 59802
Nurse Practitioner (Adult Health)
900 N ORANGE ST, STE. 205
MISSOULA, MT 59802

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1073602330, enumerated as an "individual" on October 12, 2006.

The provider is located at 900 N ORANGE ST SUITE 202 MISSOULA, MT 59802 and the phone number is (406) 327-3362.

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