DR. ANN MARIE COLLIER MD
Complete NPI Record 1487898458
Psychiatry & Neurology - Neurology in Billings, MT

Active since April 21, 2009PECOS EnrolledAccepts Medicare Assignment

801 N 29TH ST, BILLINGS, MT 59101(406) 238-2500 Get Directions

NPPES record last updated: June 15, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jan 30, 2026, Apr 1, 2025, Jul 25, 2024 and 5 more (8 updates tracked since 2023).

Complete NPI Dataset

This page contains the complete raw NPPES record for Dr. Ann Marie Collier, MD (NPI 1487898458), an individual psychiatry & neurology provider in Billings, MT. All 64 fields on file are listed with their current values and official NPPES definitions, exactly as recorded in the National Plan and Provider Enumeration System. Only fields that contain data are included, so the number of fields shown varies from one NPI record to another.

Use the tools below to filter fields by category, search within the record, or jump straight to a specific field. You can download the full record as a CSV, JSON, Markdown or text file, or filter first and export only the fields you need. The Print Clean Summary button produces a printer-friendly copy of the record.

Search NPI Record

NPI Record Category

Jump to NPI Field

Registry File Document Utilities

NPI: 1487898458: The 10-position all-numeric identification number assigned by the NPS to uniquely identify a health care provider. The NPI number includes an ISO standard check-digit in the 10th position. There is no intelligence about the health care provider in the number.
Entity Type Code: 1: Code describing the type of health care provider that is being assigned an NPI. Codes are 1 = (Person): individual human being who furnishes health care; 2 = (Non-person): entity other than an individual human being that furnishes health care (for example, hospital, SNF, hospital subunit, pharmacy, or HMO).
Provider Last Name Legal Name: COLLIER: The last name of the provider. If the provider is an individual, this is the legal name.
Provider First Name: ANN: The first name of the provider, if the provider is an individual.
Provider Middle Name: MARIE: The middle name of the provider, if the provider is an individual.
Provider Name Prefix Text: DR.: The name prefix or salutation of the provider if the provider is an individual; for example, Mr., Mrs., or Corporal.
Provider Credential Text: MD: The abbreviations for professional degrees or credentials used or held by the provider, if the provider is an individual. Examples are MD, DDS, CSW, CNA, AA, NP, RNA, or PSY. These credential designations will not be verified by NPS.
Provider Other Last Name: POTTER: Other last name by which the provider being identified is or has been known.
Provider Other First Name: ANN: Other first name by which the provider being identified is or has been known (if an individual). This may be the same as the "Provider first name" if the provider is or has been known by a different last name only.
Provider Other Middle Name: MARIE: Other middle name by which the provider being identified is or has been known (if an individual). This may be the same as the "Provider middle name" if the provider is or has been known by a different last name only.
Provider Other Last Name Type Code: 1: Code identifying the type of other name. Codes are: 1 = former name; 2 = professional name; 3 = doing business as (d/b/ a) name; 4 = former legal business name; 5 = other.
Provider First Line Business Mailing Address: 1021 W OAKLAND AVE STE 310: The first line mailing address of the provider being identified. This data element may contain the same information as "Provider first line location address".
Provider Business Mailing Address City Name: JOHNSON CITY: The city name in the mailing address of the provider being identified.
Provider Business Mailing Address State Name: TN: The State or Province name in the mailing address of the provider being identified. This data element may contain the same information as "Provider location address State name".
Provider Business Mailing Address Postal Code: 376042192: The postal ZIP or zone code in the mailing address of the provider being identified. NOTE: ZIP code plus 4-digit extension, if available. This data element may contain the same information as "Provider location address postal code".
Provider Business Mailing Address Country Code If outside U S : US: The country code in the mailing address of the provider being identified. This data element may contain the same information as "Provider location address country code".
Provider Business Mailing Address Telephone Number: 4233026565: The telephone number associated with mailing address of the provider being identified. This data element may contain the same information as "Provider location address telephone number".
Provider First Line Business Practice Location Address: 801 N 29TH ST: The first line location address of the provider being identified. For providers with more than one physical location, this is the primary location. This address cannot include a Post Office box.
Provider Business Practice Location Address City Name: BILLINGS: The city name in the location address of the provider being identified.
Provider Business Practice Location Address State Name: MT: The State code in the location of the provider being identified.
Provider Business Practice Location Address Postal Code: 591010905: The postal ZIP or zone code in the location address of the provider being identified. NOTE: ZIP code plus 4-digit extension, if available.
Provider Business Practice Location Address Country Code If outside U S : US: The country code in the location address of the provider being identified.
Provider Business Practice Location Address Telephone Number: 4062382500: The telephone number associated with the location address of the provider being identified.
Provider Enumeration Date: 4/21/2009: The date the provider was assigned a unique identifier (assigned an NPI).
Last Update Date: 6/15/2026: The date that a record was last updated or changed.
Provider Gender Code: F: The code designating the provider's gender if the provider is a person.
Healthcare Provider Taxonomy Code 1: 2084N0400X: This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 1: 01091446AA: The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 1: IN: The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 1: N: This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Healthcare Provider Taxonomy Code 2: 2084N0400X: This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 2: 33458: The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 2: MT: The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 2: Y: This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Healthcare Provider Taxonomy Code 3: 2084N0400X: This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 3: 69467: The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 3: TN: The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 3: N: This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Healthcare Provider Taxonomy Code 4: 2084N0400X: This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 4: 0101279598: The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 4: VA: The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 4: N: This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Healthcare Provider Taxonomy Code 5: 2084N0400X: This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 5: 2023-02929: The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 5: NC: The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 5: N: This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Healthcare Provider Taxonomy Code 6: 2084N0400X: This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 6: 32262: The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 6: MS: The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 6: N: This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Healthcare Provider Taxonomy Code 7: 2084N0400X: This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 7: 2023048947: The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 7: MO: The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 7: N: This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Healthcare Provider Taxonomy Code 8: 2084N0400X: This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 8: 97144: The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 8: GA: The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 8: N: This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Healthcare Provider Taxonomy Code 9: 2084N0400X: This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 9: ME165841: The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 9: FL: The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 9: N: This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Is Sole Proprietor: N: Indicates whether the provider is registered as a sole proprietor. This is a single-character code: "Y" means the provider operates as a sole proprietor, and "N" means they do not.
NPI Certification Date: 6/15/2026: The date on which the National Provider Identifier (NPI) was officially assigned and certified to the provider. This reflects when the provider's NPI record first became active in the NPPES system.

Secondary Practice Locations 24

The first line of the secondary practice location address of the provider being identified. For providers with more than one physical location, this is a secondary practice location address. This address cannot include a Post Office box.

971 Lakeland Dr Ste 557

1/24

Jackson, MS 39216-4661 · Phone (601) 200-4560 · Fax (601) 200-4580

1102 W 32nd St

2/24

Joplin, MO 64804-3503 · Phone (417) 347-4570

130 W Ravine Rd

3/24

Kingsport, TN 37660-3837 · Phone (423) 224-4000

851 Locust St

4/24

Rogersville, TN 37857-2407 · Phone (423) 921-7000

2000 Brookside Dr

5/24

Kingsport, TN 37660-4627 · Phone (423) 857-7000

1501 W Elk Ave

6/24

Elizabethton, TN 37643-2874 · Phone (423) 542-1300

2030 Temple Hill Rd

7/24

Erwin, TN 37650-8721 · Phone (423) 743-3141

1901 S Shady St

8/24

Mountain City, TN 37683-2021 · Phone (423) 727-1100

1 Medical Park Blvd

9/24

Bristol, TN 37620-7430 · Phone (423) 844-1121

400 N State Of Franklin Rd

10/24

Johnson City, TN 37604-6035 · Phone (423) 323-6900

1420 Tusculum Blvd

11/24

Greeneville, TN 37745-4279 · Phone (423) 787-5000

16000 Johnston Memorial Dr

12/24

Abingdon, VA 24211-7664 · Phone (276) 258-1000

1519 Main St

13/24

Sneedville, TN 37869-3657 · Phone (423) 733-5000

245 Medical Park Dr

14/24

Marion, VA 24354-1100 · Phone (276) 378-1000

1000 Medical Center Blvd

15/24

Lawrenceville, GA 30046-7694 · Phone (678) 312-1000 · Fax (678) 312-3282

58 Carroll Street

16/24

Lebanon, VA 24266-4510 · Phone (276) 883-8000

312 Hospital Dr

17/24

Clintwood, VA 24228-6786 · Phone (276) 926-0300

1701 S Creasy Ln

18/24

Lafayette, IN 47905-4972 · Phone (765) 502-4400 · Fax (765) 502-4401

1990 Holton Ave E

19/24

Big Stone Gap, VA 24219-3350 · Phone (423) 230-8200

300 Med Tech Pkwy

20/24

Johnson City, TN 37604-2277 · Phone (423) 302-1000

127 Health Care Dr Ste 3

21/24

Pennington Gap, VA 24277-2853 · Phone (423) 230-5000

100 15th St NW

22/24

Norton, VA 24273-1616 · Phone (423) 630-7001

15790 Paul Vega Dr

23/24

Hammond, LA 70403-1436 · Phone (985) 230-1683 · Fax (985) 230-6652

200 Hawthorne Ln

24/24

Charlotte, NC 28204-2515 · Phone (704) 384-9437 · Fax (704) 384-9440

No registry entries match your active lookup criteria.